1 00:01:21,331 --> 00:01:23,905 It won't be so funny if we end up in a Romanian jail. 2 00:01:24,001 --> 00:01:26,538 Relax. Nobody's been up here in years. 3 00:01:37,013 --> 00:01:38,804 Oh, Christ. 4 00:01:51,445 --> 00:01:53,484 This way? 5 00:01:53,572 --> 00:01:55,197 - Where? - It's up there? 6 00:01:55,282 --> 00:01:56,527 Hey, you sure it's up there? 7 00:01:58,828 --> 00:02:00,618 He's sure. 8 00:02:00,704 --> 00:02:03,491 He'd better be right. You tell him. 9 00:02:03,582 --> 00:02:05,788 Come on. Let's get the stuff. 10 00:02:29,316 --> 00:02:31,024 Ye of little faith. 11 00:02:31,109 --> 00:02:32,817 Should be a gold mine. 12 00:02:32,903 --> 00:02:35,821 Why the hell would they build a church out here? 13 00:03:19,075 --> 00:03:20,450 Check this. 14 00:03:47,603 --> 00:03:49,643 Here we go. 15 00:03:59,115 --> 00:04:01,653 My God. Look at the walls. 16 00:04:15,756 --> 00:04:17,547 There's nothing here. 17 00:04:19,636 --> 00:04:23,135 - So. Where's the cave? - You're standing on it. 18 00:04:26,225 --> 00:04:27,804 So, how do we get in? 19 00:04:35,569 --> 00:04:37,477 Fire in the hole. 20 00:04:47,289 --> 00:04:49,411 Perfect. Let's go. 21 00:05:17,360 --> 00:05:20,231 Shut up. 22 00:05:20,322 --> 00:05:22,362 Shut up! 23 00:06:14,585 --> 00:06:16,743 What the hell is that? 24 00:06:57,003 --> 00:06:59,043 You know what? It's more than a cave. 25 00:06:59,130 --> 00:07:01,585 This one could run deeper than Postojna. 26 00:07:06,221 --> 00:07:07,714 Oh, look at this. 27 00:07:08,807 --> 00:07:10,846 If this is what I think it is, 28 00:07:10,933 --> 00:07:13,174 it's going to be a fantastic find. 29 00:07:13,268 --> 00:07:15,308 Let's have a look at it, shall we? 30 00:07:16,563 --> 00:07:17,762 Yeah. 31 00:07:20,193 --> 00:07:23,193 Hear that? Running water. It's a good sign. 32 00:07:34,916 --> 00:07:36,956 Nic? 33 00:07:38,043 --> 00:07:39,241 Come. Have a look at this. 34 00:07:44,008 --> 00:07:46,047 We're going to need cave divers. 35 00:07:46,135 --> 00:07:48,175 I know just who to call. 36 00:08:09,492 --> 00:08:12,695 No picture, Charlie. This antenna's a piece of junk. 37 00:08:12,787 --> 00:08:14,696 - How's that? - Got it. 38 00:08:54,497 --> 00:08:57,698 Strodey! Get your skinny ass down here! 39 00:08:57,790 --> 00:09:01,160 Boys. You found it yet? 40 00:09:01,252 --> 00:09:04,171 No. We looked exactly where your sonic mapping said we should. 41 00:09:04,256 --> 00:09:07,127 Jesus! My kids could get in and find it quicker than you two. 42 00:09:07,217 --> 00:09:08,759 - Ready, Top? - Yeah. 43 00:09:09,970 --> 00:09:11,513 Jack and Tyler back yet? 44 00:09:11,597 --> 00:09:13,222 Not yet. 45 00:09:32,409 --> 00:09:34,152 That's Tyler's unit. He found it. 46 00:09:35,412 --> 00:09:37,452 Bastard did it again. 47 00:09:38,624 --> 00:09:41,328 Jack's gonna be pissed. He called time five minutes ago. 48 00:09:47,716 --> 00:09:51,299 You don't have to say anything. I know I was stupid, but... we got it. 49 00:09:51,387 --> 00:09:54,008 Hey, I call time, and you surface. 50 00:09:54,097 --> 00:09:56,137 OK. 51 00:10:05,276 --> 00:10:08,396 - How's that? You got a signal there yet? - Not yet, Strodey. 52 00:10:09,363 --> 00:10:10,822 - And now? - Yeah. 53 00:10:10,907 --> 00:10:12,105 Yeah. 54 00:10:12,200 --> 00:10:13,361 - Dr. Nicolai. - Hello. 55 00:10:13,450 --> 00:10:14,825 Hey. It's Jack. 56 00:10:14,909 --> 00:10:17,946 - You got some good news? - Yeah. I've got the funding. 57 00:10:18,038 --> 00:10:20,115 You do? Really? 58 00:10:20,208 --> 00:10:23,292 We've done the surface scans. The cave is huge, Jack. 59 00:10:23,377 --> 00:10:25,749 There is a river off the main cavern, 60 00:10:26,839 --> 00:10:31,086 and there's nowhere it can come out for at least 19 miles. 61 00:10:31,177 --> 00:10:34,095 Sounds like the Amazon of underground rivers, huh? 62 00:10:34,181 --> 00:10:38,130 Dr. Jennings our biologist is bringing a cameraman to shoot the whole thing. 63 00:10:38,226 --> 00:10:40,431 But, you know, it's gonna be tough. 64 00:10:40,519 --> 00:10:43,092 Which is why I need your team and need you to run the show. 65 00:10:43,188 --> 00:10:45,146 Great! When do we start? 66 00:10:45,232 --> 00:10:47,106 We want to start right away. 67 00:10:47,193 --> 00:10:48,817 We're in a hundred percent. 68 00:10:48,903 --> 00:10:52,486 That's great, Jack. I can't wait to see you here. Ciao! 69 00:10:52,573 --> 00:10:54,613 - Thanks, Dr. Nicolai. - Bye! 70 00:11:44,292 --> 00:11:46,450 Good to finally meet you, Dr. Nicolai. 71 00:11:46,545 --> 00:11:49,545 Let me show you around. - Please. 72 00:11:49,631 --> 00:11:50,627 What have we got? 73 00:11:50,715 --> 00:11:54,215 That's the main cave, hidden under the church and half the mountainside. 74 00:11:56,222 --> 00:11:58,260 - Tyler? - Yeah? 75 00:11:58,347 --> 00:12:00,341 Everything made it OK. 76 00:12:00,433 --> 00:12:03,718 Take a look at this mix computer. It got a little banged up. 77 00:12:04,812 --> 00:12:05,927 Oh, man. Yep. 78 00:12:06,022 --> 00:12:09,438 All right. Break it down, and reinstall the programming. 79 00:12:09,526 --> 00:12:11,104 Whoa! 80 00:12:12,613 --> 00:12:13,609 Hello. 81 00:12:17,576 --> 00:12:20,031 I'm just gonna go visit with a fellow scientist. 82 00:12:26,710 --> 00:12:29,331 - Hi. - Hi. 83 00:12:30,505 --> 00:12:33,839 I'm Tyler McAlister. I'm the first scout. 84 00:12:33,926 --> 00:12:35,585 One second. 85 00:12:38,305 --> 00:12:41,591 - Do you mind if I... - Sorry. Let me just move this for you. 86 00:12:50,525 --> 00:12:52,933 - Dr. Jennings. - It's good to meet you. 87 00:12:53,028 --> 00:12:54,605 And this is Alex Kim our cameraman. 88 00:12:54,696 --> 00:12:56,487 Oh, yeah. I've seen your work. 89 00:12:56,573 --> 00:12:58,151 Heard a lot about you, too. 90 00:12:58,241 --> 00:13:00,815 So, it's unusual for a rebreather. 91 00:13:00,911 --> 00:13:03,236 - Who modified it? - That would be my brother Jack. 92 00:13:03,330 --> 00:13:05,656 - Really? - Yep. 93 00:13:05,749 --> 00:13:07,873 I did all the reprogramming, though. 94 00:13:12,548 --> 00:13:13,877 Why the canister? 95 00:13:13,967 --> 00:13:17,251 We're using lithium hydroxide to filter out the CO2. 96 00:13:17,343 --> 00:13:21,887 It's a little dangerous, but it's much more effective than calcium. 97 00:13:21,974 --> 00:13:23,883 Hope you got a redundancy for this Meg. 98 00:13:23,975 --> 00:13:27,925 There's actually a triple redundancy. It's the backup, a primary, and a HUD. 99 00:13:28,022 --> 00:13:32,185 So you can stay submerged for what, 18, 20 hours? 100 00:13:32,276 --> 00:13:33,735 24. 101 00:13:34,654 --> 00:13:38,402 Kate. Alex. This is Jack McAlister. 102 00:13:38,491 --> 00:13:40,198 - Dr. Jennings. - It's a pleasure. 103 00:13:40,284 --> 00:13:44,032 We read about some of your Yucatan expeditions. Pretty amazing. 104 00:13:44,121 --> 00:13:45,319 Thank you, thank you. 105 00:13:45,414 --> 00:13:48,914 I understand you have a great interest in cave biology, Mr. McAllister. 106 00:13:49,001 --> 00:13:49,997 I'm starting to. 107 00:13:51,378 --> 00:13:53,585 - And it's just Jack, please. - Kathryn. 108 00:13:53,673 --> 00:13:56,757 - Perhaps you want to see some samples? - Yeah, sure. 109 00:13:56,842 --> 00:14:00,591 Hey, bro. Double-check all the rebreathers, will you? 110 00:14:00,680 --> 00:14:02,672 Yeah. One in 14. 111 00:14:02,765 --> 00:14:04,390 One in 14? 112 00:14:04,476 --> 00:14:06,930 It's the number of cave divers that die each year. 113 00:14:11,732 --> 00:14:12,812 What's this? 114 00:14:12,900 --> 00:14:16,768 It's all that's left of some poor guy they found in the mouth of the cave. 115 00:14:27,123 --> 00:14:29,163 Tyler? Let's go. 116 00:14:32,087 --> 00:14:34,244 So how did you hook up with these guys? 117 00:14:34,338 --> 00:14:38,170 My dad had a dive business in North Florida, 118 00:14:38,259 --> 00:14:41,842 and when Jack got out of high school, he kind of took him under his wing. 119 00:14:41,930 --> 00:14:46,058 - We're all kind of like family. - And Tyler? 120 00:14:47,227 --> 00:14:49,267 He joined the business out of college. 121 00:14:50,355 --> 00:14:54,139 Briggs we found table-dancing in a club outside Calgary. 122 00:14:57,028 --> 00:14:59,518 All right, everybody, listen up. Here we go. 123 00:15:02,742 --> 00:15:05,233 - You all right, Strode? - Yeah, good, man. 124 00:15:05,328 --> 00:15:09,160 I've been analyzing these read-outs, and here's what we got. 125 00:15:09,249 --> 00:15:12,998 There's an enormous cavern about 300 feet down, just below the cave entrance. 126 00:15:13,086 --> 00:15:18,294 - Dr. Nicolai has already named it Titan Hall. - Oh, yeah, it's huge, believe me. 127 00:15:18,383 --> 00:15:20,791 There's a sump... Strode? 128 00:15:20,886 --> 00:15:22,925 ...right about here, 129 00:15:23,013 --> 00:15:26,428 which then leads to this underwater passageway. 130 00:15:26,515 --> 00:15:28,141 Look who's here. 131 00:15:28,226 --> 00:15:30,931 We need to find a dry cavern somewhere in the system 132 00:15:31,020 --> 00:15:33,143 where we can set up advance base camp, 133 00:15:33,230 --> 00:15:36,600 and Dr. Nicolai and Kathryn can gather their samples. 134 00:15:36,693 --> 00:15:39,528 We'll be under for 12 days. We're gonna go deep on this one. 135 00:15:39,613 --> 00:15:42,613 - Yeah! - All right. 136 00:15:42,699 --> 00:15:44,158 Top, anything you want to add? 137 00:15:44,242 --> 00:15:48,490 Everybody just remember, now - this cave is a very serious piece of work. 138 00:15:48,580 --> 00:15:50,489 It's already taken at least one life. 139 00:15:50,581 --> 00:15:52,574 Respect the cave. 140 00:15:54,001 --> 00:15:56,327 Briggs, you're gonna take first scout. 141 00:15:56,420 --> 00:15:58,081 Ouch. 142 00:15:58,173 --> 00:15:59,548 Right on. 143 00:15:59,632 --> 00:16:02,089 Any questions? All right, listen. 144 00:16:02,177 --> 00:16:03,969 A toast. 145 00:16:05,055 --> 00:16:08,222 - To virgin caves. To virgin caves! 146 00:16:08,308 --> 00:16:10,052 Cheers. Thank you very much. 147 00:16:10,144 --> 00:16:11,768 To virgin everything. 148 00:16:18,485 --> 00:16:23,989 They built the church to seal the cave as a display of God's protective power. 149 00:16:24,074 --> 00:16:26,992 Now, try to imagine... 150 00:16:27,077 --> 00:16:30,528 these Knights Templar entering the cave, 151 00:16:30,622 --> 00:16:33,196 and according to the local legend, 152 00:16:33,292 --> 00:16:37,420 fighting these winged demons. 153 00:16:38,548 --> 00:16:41,502 - Demons, huh? - Yeah. 154 00:16:41,592 --> 00:16:43,418 Well? Did they win? 155 00:16:45,845 --> 00:16:47,553 Unfortunately, no. 156 00:16:47,639 --> 00:16:49,679 European legends always have sad endings. 157 00:16:59,818 --> 00:17:01,229 There you go. 158 00:17:03,739 --> 00:17:05,198 Oh, yeah. 159 00:17:05,282 --> 00:17:08,200 The ladder is quite safe. 160 00:17:08,286 --> 00:17:10,527 - Yeah, I hate ladders. - Whoa! 161 00:17:11,913 --> 00:17:14,239 Next thing you know they're putting in elevators. 162 00:17:14,332 --> 00:17:15,661 She's such a show-off. 163 00:17:18,420 --> 00:17:20,460 It's the only way to go, doc. 164 00:17:32,102 --> 00:17:34,141 Whoo! 165 00:17:35,229 --> 00:17:36,771 Oh, man. 166 00:17:36,856 --> 00:17:38,895 Titan Hall. 167 00:17:38,982 --> 00:17:41,022 It's awesome. 168 00:17:50,619 --> 00:17:53,573 Pre-dive checklist. O2 sensors calibrated? 169 00:17:53,664 --> 00:17:55,207 Calibrated, check. 170 00:17:55,292 --> 00:17:56,750 Oxygen running 0.4? 171 00:17:56,835 --> 00:17:58,459 0.4. Check. 172 00:17:58,545 --> 00:18:01,794 Now, you find it, you name it. Make it good. 173 00:18:01,880 --> 00:18:05,961 First scout's privilege. I got a few ideas. You know I'll come up with something good. 174 00:18:06,052 --> 00:18:09,836 OK. Synchronize watches to 0811 on my mark. 175 00:18:09,931 --> 00:18:14,343 Three, two, one, mark. 176 00:18:14,435 --> 00:18:17,520 - All OK? - I don't think it could be any better, Ty. 177 00:18:17,606 --> 00:18:20,560 - Yeah, I bet. - All right. Here we go. 178 00:18:20,650 --> 00:18:23,900 This is a long passage, so I want you to pace yourself now. 179 00:18:23,987 --> 00:18:25,185 Yeah. 180 00:18:25,280 --> 00:18:28,197 Turnaround's one-third, OK? 181 00:18:29,617 --> 00:18:32,654 If I find a dry cavern, I'll give you a call, Jack. 182 00:18:32,745 --> 00:18:35,616 - You'd do that, would you? - Go and get it! 183 00:18:59,230 --> 00:19:00,890 How's it looking down there? 184 00:19:00,982 --> 00:19:03,189 It's dark, it's deep, and it's wet, Jack. 185 00:19:03,276 --> 00:19:05,945 Give us your current depth. 186 00:19:06,029 --> 00:19:10,027 - Depth at 162. 187 00:19:10,117 --> 00:19:12,323 What's your gas reading? 188 00:19:12,411 --> 00:19:14,949 O2's reading 1800. 189 00:19:15,038 --> 00:19:17,530 So, how you feeling down there, Briggs? 190 00:19:17,625 --> 00:19:20,115 I'm feeling pretty good. How you feeling up there? 191 00:19:20,210 --> 00:19:21,372 I'm all right. 192 00:19:21,461 --> 00:19:23,749 How about the warning lights? How do they look? 193 00:19:23,838 --> 00:19:26,625 Nothing yet. There's a curve in the tunnel up ahead, though. 194 00:19:26,716 --> 00:19:29,717 Probably gonna lose you guys on the dark side of the moon. 195 00:19:29,803 --> 00:19:34,132 Tell Tyler I'll give him a call from first base camp after I set up that fiber optic. 196 00:19:35,601 --> 00:19:38,270 You know, Briggs, I'd warn you not to be so arrogant, 197 00:19:38,353 --> 00:19:40,642 but then you'd have no personality at all. 198 00:19:40,731 --> 00:19:42,771 Come on, Top. Take away the arrogance... 199 00:19:45,110 --> 00:19:47,149 There he goes. - That's it. 200 00:19:47,236 --> 00:19:48,862 Thanks, Strode. 201 00:19:50,323 --> 00:19:53,075 We need you ready around 0100 hours, all right? 202 00:19:53,160 --> 00:19:54,404 Oh, I've been ready. 203 00:19:56,079 --> 00:19:57,621 You got something to say, say it. 204 00:19:58,749 --> 00:20:01,619 - You know I'm the best scout. - Maybe so. 205 00:20:01,710 --> 00:20:04,248 But I can count on Briggs. 206 00:20:44,420 --> 00:20:46,745 First scout consolation prize. 207 00:20:46,839 --> 00:20:50,504 - Yeah. - You wish it was you in there? 208 00:20:52,178 --> 00:20:54,751 I just wanna be first in a place nobody's ever been. 209 00:20:54,847 --> 00:20:57,005 Well, you and I aren't that different. 210 00:20:57,099 --> 00:21:00,967 I mean, if I find something unique, I want to put my name on it. 211 00:21:01,062 --> 00:21:02,555 So, what happened? 212 00:21:04,815 --> 00:21:07,566 - It's my brother's call. Hey, Ty! 213 00:21:07,651 --> 00:21:12,858 Checked the line three times. There's nothing wrong with it. We just don't have a signal. 214 00:21:12,948 --> 00:21:15,155 Check every five minutes till we get something. 215 00:21:15,242 --> 00:21:16,571 What's up? 216 00:21:16,661 --> 00:21:21,702 - If he doesn't show in ten, I'm sending you in. - It's Briggs. He's probably just showing off. 217 00:21:21,791 --> 00:21:25,789 Listen, you're probably right, but go get ready anyways, OK? 218 00:21:25,879 --> 00:21:27,870 Jack! 219 00:21:27,963 --> 00:21:29,790 - Guys! I got him. - Wakey, wakey. 220 00:21:29,881 --> 00:21:32,207 Titan Hall! Is anybody there? 221 00:21:32,300 --> 00:21:33,843 All right. Get up! 222 00:21:33,928 --> 00:21:36,253 Morning. We're all here, buddy. Where are you? 223 00:21:36,347 --> 00:21:40,344 Good morning to you too, Top. I'd say I'm sitting at advance base camp, 224 00:21:40,434 --> 00:21:44,479 which will now be forever known as... Kublai Khan. 225 00:21:44,563 --> 00:21:46,723 About how far in would you say, Briggs? 226 00:21:46,858 --> 00:21:49,183 Oh... only about... 227 00:21:49,277 --> 00:21:51,317 2.4 miles, Jack. 228 00:21:51,404 --> 00:21:54,854 - Fantastic! - 2.4! 229 00:21:54,948 --> 00:21:58,650 I'm uploading the data now. Read it and weep. 230 00:21:58,745 --> 00:22:00,867 It's amazing in here, man. 231 00:22:00,954 --> 00:22:03,161 I haven't seen a hole like this in a long time. 232 00:22:03,249 --> 00:22:04,873 Oh, shit! 233 00:22:04,959 --> 00:22:07,996 - Briggs! - Yeah. Hold on a sec. Something ran past me. 234 00:22:08,087 --> 00:22:10,661 Got it! 235 00:22:11,799 --> 00:22:14,884 Kathryn, can you and Nicolai see this? 236 00:22:14,970 --> 00:22:19,632 It's some kind of a large rat, or a mole or something. 237 00:22:19,725 --> 00:22:22,974 Buck teeth, webbed feet, looks a lot like Tyler. 238 00:22:26,731 --> 00:22:28,142 - You all right, man? - Shit! 239 00:22:28,232 --> 00:22:30,688 Yeah. 240 00:22:32,737 --> 00:22:35,311 I think I pissed him off with that Tyler comment. 241 00:22:35,407 --> 00:22:37,530 Listen, man, good work. Get some sleep now. 242 00:22:37,618 --> 00:22:40,287 Yeah, yeah. Some sleep. 243 00:22:40,370 --> 00:22:43,122 - You need anything down there, man? - Hold on a sec. 244 00:22:44,875 --> 00:22:46,996 Briggs? 245 00:22:47,084 --> 00:22:49,836 Yeah. Yeah, hold on, guys. 246 00:22:50,922 --> 00:22:52,961 - I'm gonna to try to get... 247 00:22:53,049 --> 00:22:55,041 - There's something that... - Briggs? 248 00:22:55,134 --> 00:22:57,970 - What's up, Strode? - Could be feedback in the line. 249 00:22:58,054 --> 00:23:00,759 What was that? God damn it! - Key me if you can hear me. 250 00:23:02,475 --> 00:23:05,227 Fiber optic must have snapped, huh? 251 00:23:05,312 --> 00:23:07,803 Maybe we should send in a second scout, to be safe. 252 00:23:07,898 --> 00:23:10,650 No, come on. We gotta get in the water. 253 00:23:15,446 --> 00:23:17,984 Top and I are in the water in 30 minutes. 254 00:23:18,074 --> 00:23:20,826 Strode, Tyler, fix the cable on the way in. Let's do it. 255 00:23:42,099 --> 00:23:44,008 Let's take it a little slow. 256 00:23:44,100 --> 00:23:46,140 Break in the line could be anywhere. 257 00:23:47,229 --> 00:23:49,269 Right on your tail, mate. 258 00:24:03,413 --> 00:24:05,321 It's not bad, huh, Top? 259 00:24:05,413 --> 00:24:07,453 Yeah, there's a lot of life in here. 260 00:24:07,541 --> 00:24:10,211 You OK? 261 00:24:10,293 --> 00:24:13,995 - Yeah. Just thinking about Briggs. - He can take care of himself. 262 00:24:14,089 --> 00:24:16,497 How long till we reach the cavern? 263 00:24:16,592 --> 00:24:19,262 It's a long run, Nicolai. Enjoy the ride. 264 00:24:27,895 --> 00:24:30,468 This beats anything in the Yucatan by a mile. 265 00:24:30,564 --> 00:24:35,559 Hey, Kim, did you get a shot of those cave draperies? Sick, dude! 266 00:24:35,653 --> 00:24:38,226 I got it. 267 00:24:39,823 --> 00:24:41,863 It's totally rockin'. 268 00:24:54,505 --> 00:24:57,708 Dr. Nicolai. You and Katherine should check this out. 269 00:24:57,800 --> 00:25:00,635 Advance base camp should be about 200 yards ahead. 270 00:25:00,719 --> 00:25:02,759 Thank you. We'll see you there. 271 00:26:01,697 --> 00:26:03,737 Yo, Briggs! 272 00:26:05,661 --> 00:26:07,320 Briggs! 273 00:26:13,292 --> 00:26:14,786 Briggs! 274 00:26:18,798 --> 00:26:20,708 Hey, Briggs! 275 00:26:20,801 --> 00:26:25,130 About time you two ladies got here! Come take a look at this. 276 00:26:30,602 --> 00:26:32,844 We're not the first ones here after all. 277 00:26:32,938 --> 00:26:35,263 Looks like somebody lost his boots. 278 00:26:37,860 --> 00:26:40,184 What the hell was that? 279 00:26:42,613 --> 00:26:46,232 Tyler, hang on. I'm gonna make a jump here for a second. 280 00:26:50,831 --> 00:26:54,330 Strode, how you doing? - Good. I think I saw one of those moles. 281 00:26:54,418 --> 00:26:57,205 - Be right back. - All right. I'll keep looking for the break. 282 00:27:09,975 --> 00:27:13,842 Strode, I found the break right here. It's gonna take me a few minutes. 283 00:27:13,937 --> 00:27:16,891 Strode? Hey, Strode? 284 00:27:16,982 --> 00:27:19,652 Yeah, right here. Just give me another minute. 285 00:27:21,111 --> 00:27:24,195 There's a flat area just up there where we can set up camp. 286 00:27:24,281 --> 00:27:26,950 Any hot showers? That would make my day. 287 00:27:27,034 --> 00:27:28,658 I've had enough water. 288 00:27:33,331 --> 00:27:36,535 Tyler? You still reading me, mate? 289 00:27:36,626 --> 00:27:38,666 Tyler? 290 00:27:51,017 --> 00:27:52,594 Whoo! 291 00:28:08,451 --> 00:28:10,407 What the hell? 292 00:28:12,955 --> 00:28:13,986 What the... 293 00:28:18,962 --> 00:28:21,001 Son of a bitch! 294 00:28:27,302 --> 00:28:30,055 Hey, Tyler. Tyler, you read me? 295 00:28:31,140 --> 00:28:33,382 What the hell? Strode. 296 00:28:33,476 --> 00:28:36,762 This cable looks... chewed. 297 00:28:36,854 --> 00:28:40,270 Mate, you there? 298 00:28:40,941 --> 00:28:42,981 Argh! 299 00:28:47,282 --> 00:28:50,282 - Help! Help! - Strode? Strode! 300 00:28:52,369 --> 00:28:55,122 Strode! Can you hear me? Where are you, Strode? 301 00:29:23,359 --> 00:29:26,146 Tyler! Jesus! What the hell was that? 302 00:29:29,574 --> 00:29:30,772 Top! 303 00:29:34,996 --> 00:29:37,784 Tyler, Tyler, hey... You all right? 304 00:29:37,874 --> 00:29:41,657 - Yeah. Yeah. I think so. - Where's Strode? Huh? 305 00:29:41,752 --> 00:29:43,294 I... I don't know. 306 00:29:43,379 --> 00:29:45,870 - Shit! Top. - Bring the J-bar. 307 00:29:45,965 --> 00:29:49,050 He kept saying, "help," like he was being attacked, so I went back, 308 00:29:49,135 --> 00:29:51,211 but I don't know what the hell exploded. 309 00:29:52,305 --> 00:29:54,428 At least the dive line’s intact. 310 00:29:57,227 --> 00:29:59,303 Let's keep our eyes open. 311 00:30:04,150 --> 00:30:07,104 Looks like the whole damn tunnel collapsed. 312 00:30:07,194 --> 00:30:10,065 He's got to be in here. It's the only way through. 313 00:30:16,288 --> 00:30:18,613 Son of a bitch! 314 00:30:22,210 --> 00:30:24,832 Jack? That's his counter lung. 315 00:30:24,921 --> 00:30:26,332 Oh, man, this isn't good. 316 00:30:28,551 --> 00:30:30,424 Jack, look out! It's coming down! 317 00:30:31,303 --> 00:30:32,003 Shit! 318 00:30:34,639 --> 00:30:36,548 Jack, back on the dive line. 319 00:31:05,962 --> 00:31:08,287 All right, listen up. 320 00:31:08,381 --> 00:31:11,549 We have a few realities to face here, people. 321 00:31:11,635 --> 00:31:15,004 The first is that we're not going out the way we came. 322 00:31:15,097 --> 00:31:17,885 The passage is completely blocked. 323 00:31:17,975 --> 00:31:23,895 The second is that we're not even gonna be missed for 12 days, 324 00:31:23,982 --> 00:31:26,981 which is right about when our supplies run out. 325 00:31:27,067 --> 00:31:30,685 - So we're gonna have to find our own way out. Hold on a second! 326 00:31:30,780 --> 00:31:33,899 You still haven't told us what happened to Strode. 327 00:31:33,990 --> 00:31:36,398 Tyler said it sounded like he was being attacked. 328 00:31:36,493 --> 00:31:40,954 He was Special Forces, for Christ's sake, Jack. 329 00:31:41,040 --> 00:31:44,041 He knew what the hell he was doing. 330 00:31:44,127 --> 00:31:48,172 Something got him. I'll bet you it was the same thing that got whoever owns those boots. 331 00:31:50,174 --> 00:31:52,795 We're all hurting, man. 332 00:31:52,884 --> 00:31:55,554 Strode was a friend to all of us. 333 00:31:55,637 --> 00:31:57,677 Don't you forget that. 334 00:31:59,975 --> 00:32:02,644 What do you think, Dr. Nicolai? 335 00:32:02,728 --> 00:32:05,813 Is there anything that could have attacked Strode? 336 00:32:05,899 --> 00:32:11,604 I don't know. The mole is the largest animal we've seen in this type of system. 337 00:32:11,696 --> 00:32:14,566 Our friend here does prove there's an abundant food supply. 338 00:32:16,450 --> 00:32:20,318 Question is, is he at the top of the food chain, or is there something else? 339 00:32:20,413 --> 00:32:22,370 Strode could have just screwed up his mix. 340 00:32:22,456 --> 00:32:24,330 Narcosis, hallucinations... 341 00:32:24,416 --> 00:32:27,833 It happens. I mean, he panics, he ruptures his scooter. 342 00:32:27,920 --> 00:32:30,163 Whatever it was, it doesn't matter now. 343 00:32:30,256 --> 00:32:34,206 Because right now our primary concern is getting out of here alive. 344 00:32:34,302 --> 00:32:37,089 Jack, this is the Carpathians. 345 00:32:37,180 --> 00:32:40,264 We could spend an eternity trying to find a way out. 346 00:32:40,350 --> 00:32:42,922 If... there even is one. 347 00:32:43,018 --> 00:32:45,972 Come on, Jack, we wait. A rescue team will come for us. 348 00:32:46,063 --> 00:32:50,940 Dr. Nicolai, we're a mile below the surface and three miles in. 349 00:32:52,862 --> 00:32:56,445 The best people to get us out are all right here. 350 00:32:58,243 --> 00:32:59,987 We are the rescue team. 351 00:33:01,746 --> 00:33:07,251 Now, here's how it's gonna go. Top and I, we're gonna start scouting for an exit immediately. 352 00:33:07,336 --> 00:33:10,703 Now I'd recommend that you all get some rest. You're gonna need it. 353 00:33:11,797 --> 00:33:13,837 Top. 354 00:33:24,728 --> 00:33:26,804 I never lost anybody, Top. 355 00:33:26,897 --> 00:33:30,183 I don't like it, Mac. Something's not right. 356 00:33:30,275 --> 00:33:31,473 No shit, buddy. 357 00:33:43,663 --> 00:33:46,450 Narcosis my ass! That's bullshit and you know it. 358 00:33:46,541 --> 00:33:48,581 I'm not getting into this. 359 00:33:48,668 --> 00:33:52,915 Why is that, Tyler? Because you forgot to stick with your dive buddy? 360 00:33:56,552 --> 00:33:58,046 You asshole! I had no idea... 361 00:34:01,848 --> 00:34:03,472 Hey! You guys! 362 00:34:03,558 --> 00:34:06,678 Hey! Stop it! 363 00:34:06,769 --> 00:34:08,893 You guys, cut it out! Stop it! 364 00:34:09,981 --> 00:34:13,849 Hey! We just lost a friend, and this is how you deal with it? 365 00:34:13,944 --> 00:34:15,688 Come on. 366 00:34:37,843 --> 00:34:40,001 Never seen a white algae bed before. 367 00:34:40,095 --> 00:34:43,927 Yeah. Looks like we found the base of the food chain. 368 00:34:45,143 --> 00:34:47,015 It's not the base I'm worried about. 369 00:34:50,314 --> 00:34:52,520 Someone made it this far. 370 00:35:00,574 --> 00:35:02,448 Let's keep moving. 371 00:35:18,759 --> 00:35:20,799 Nicolai. Look at this. 372 00:35:31,272 --> 00:35:33,845 - It's a parasite. - Mm-hm. 373 00:35:33,941 --> 00:35:35,981 That's from the mole. 374 00:35:36,068 --> 00:35:40,362 - Yeah. - And this is from the salamander. 375 00:35:47,162 --> 00:35:50,164 - It's the same parasite. - Uh huh. 376 00:36:00,927 --> 00:36:03,335 Think we should have tried door number two. 377 00:36:03,430 --> 00:36:06,964 It looks like it opens up. I'm gonna try to slip through. 378 00:36:40,258 --> 00:36:43,461 Ah, shit. Hey, Top? 379 00:36:43,553 --> 00:36:45,296 Yeah? 380 00:36:45,388 --> 00:36:47,262 You mind backing up, bud? 381 00:36:48,683 --> 00:36:50,723 Backing up. 382 00:36:54,355 --> 00:36:55,186 Jack. 383 00:36:59,152 --> 00:37:00,101 Jack! 384 00:37:00,779 --> 00:37:01,692 Jack! 385 00:37:02,989 --> 00:37:03,902 Jack! 386 00:37:05,408 --> 00:37:06,985 Jack! 387 00:37:16,795 --> 00:37:18,538 Get the medical kit! 388 00:37:19,756 --> 00:37:22,128 I got it! What happened? 389 00:37:22,217 --> 00:37:24,257 Ah, shit! Look at him. You all right? 390 00:37:25,638 --> 00:37:29,717 Top, what do you need? Tell me! What happened, Top? 391 00:37:29,807 --> 00:37:32,761 - Found that hooked in his sling. - What the hell is that? 392 00:37:32,852 --> 00:37:35,889 - I cut it off. - Did you get a look at it? 393 00:37:35,980 --> 00:37:37,938 - It jumped me too fast. - Hold still. 394 00:37:38,024 --> 00:37:40,777 - Jesus, how big was it? - It's big. 395 00:37:40,860 --> 00:37:42,818 - How's it looking? - Ripped you up good. 396 00:37:42,904 --> 00:37:45,229 Need to put you on an antibiotic. Give me a syringe! 397 00:37:45,323 --> 00:37:47,565 You son of a bitch! 398 00:37:47,659 --> 00:37:49,367 All right. 399 00:37:55,166 --> 00:37:57,953 There's a... There's a resemblance to amphibian tissue, 400 00:37:58,044 --> 00:38:01,129 but these hair follicles would seem to rule that out. 401 00:38:02,215 --> 00:38:05,335 I mean, the only thing I do know - this is definitely a predator. 402 00:38:05,427 --> 00:38:07,052 So now we're part of the food chain. 403 00:38:07,137 --> 00:38:10,720 We always have been. Just forgotten that, living in cities. 404 00:38:10,808 --> 00:38:13,892 Just reflexes. Don't worry. 405 00:38:16,855 --> 00:38:20,270 - What is it? - Without DNA testing, it's impossible to tell. 406 00:38:20,358 --> 00:38:22,897 It may be something We've never seen before. 407 00:38:22,986 --> 00:38:28,194 Every cave organism we've discovered so far originated on the surface. 408 00:38:28,283 --> 00:38:30,323 Over time, they've adapted. 409 00:38:30,411 --> 00:38:35,156 Lost pigmentation and sight, developed a heightened sense of hearing and smell. 410 00:38:37,210 --> 00:38:39,878 If this is a totally self-contained ecosystem... 411 00:38:39,962 --> 00:38:44,589 Yes, we may have discovered the primeval creature that has evolved in total isolation. 412 00:38:44,675 --> 00:38:48,044 Well, it looks like a piece from those things on the mosaic. 413 00:38:48,137 --> 00:38:49,796 Look. 414 00:38:49,888 --> 00:38:52,095 - What? - There. 415 00:38:52,182 --> 00:38:54,590 It's still alive? 416 00:38:54,685 --> 00:38:57,852 - Those tendrils look familiar? - Yeah. The parasite. 417 00:38:57,938 --> 00:39:00,145 It appears to be ubiquitous. 418 00:39:02,110 --> 00:39:04,268 All right, let's pack it up. 419 00:39:05,864 --> 00:39:08,651 It's time to go. 420 00:39:11,035 --> 00:39:12,529 We should wait here. 421 00:39:13,828 --> 00:39:15,868 Wow, that's just brilliant, doc. 422 00:39:15,956 --> 00:39:20,084 You really wanna be sitting here on your ass when the lights go out? 423 00:39:25,341 --> 00:39:29,090 OK, people, take only what you need, but keep your dive gear. 424 00:39:46,153 --> 00:39:48,360 Hey, maybe there's a way to climb out. 425 00:39:48,447 --> 00:39:50,487 Yeah, better up than down. 426 00:40:07,258 --> 00:40:09,795 Looks like we found the owner of those boots. 427 00:40:13,180 --> 00:40:14,556 Teeth marks. 428 00:40:17,477 --> 00:40:19,303 Let's go. 429 00:41:07,485 --> 00:41:09,194 Take a break right here. 430 00:41:09,279 --> 00:41:13,656 - Talk about a fork in the road, huh? A fork or a dead end? 431 00:41:19,248 --> 00:41:21,655 - Where's Jack? - Scouting the tunnel. 432 00:41:23,876 --> 00:41:25,916 So, why aren't we helping him? 433 00:41:26,004 --> 00:41:29,669 You know the drill, Briggs. Give him a chance to read the sediment. 434 00:41:29,758 --> 00:41:33,127 Yeah, I know the drill, Top. You don't have to tell me about drills. 435 00:41:33,220 --> 00:41:35,260 Sonar gun's right here... 436 00:41:35,347 --> 00:41:37,139 Relax. 437 00:41:41,395 --> 00:41:43,139 What the hell's going on? 438 00:41:46,608 --> 00:41:48,315 Come on, Jack. 439 00:41:48,401 --> 00:41:50,690 Just wanna get the hell out of here. 440 00:41:52,823 --> 00:41:55,278 Well, maybe you ought to follow me, Briggs. 441 00:42:07,797 --> 00:42:10,085 This is bullshit. 442 00:42:14,136 --> 00:42:16,971 Jack didn't pick the dominant artery. 443 00:42:19,558 --> 00:42:22,131 - Are you sure? - Yeah, I'm sure. 444 00:42:23,228 --> 00:42:26,265 This is the one right here. Take a look at it. 445 00:42:29,860 --> 00:42:32,530 There's something in there that wasn't there before. 446 00:42:35,074 --> 00:42:38,159 Well, why don't you go scout it out for us, Briggs? 447 00:42:44,207 --> 00:42:46,081 Forget about it. 448 00:42:53,301 --> 00:42:55,340 On belay. 449 00:42:56,596 --> 00:42:58,635 You're safe to climb. 450 00:43:01,976 --> 00:43:04,681 You gotta let me change that bandage when we get to the top. 451 00:43:04,771 --> 00:43:06,015 I'm all right. 452 00:43:07,564 --> 00:43:10,056 Looks like it's getting infected. You sure? 453 00:43:10,150 --> 00:43:13,733 How many expeditions we been on together, Top? 454 00:43:13,821 --> 00:43:15,979 Too many. 455 00:43:16,073 --> 00:43:19,573 We need a break. Not with that thing out there. 456 00:43:19,660 --> 00:43:21,700 You gotta let them rest, Jack. 457 00:43:23,414 --> 00:43:25,871 - Once we hit the water. - The water? 458 00:43:25,958 --> 00:43:28,628 - I don't hear any water, Jack. - Yeah. 459 00:43:28,711 --> 00:43:30,704 I smell it. 460 00:43:57,573 --> 00:43:59,233 Not now. 461 00:43:59,325 --> 00:44:01,448 We're gonna need footage like this. 462 00:44:01,536 --> 00:44:03,991 - Get that camera out of my face! - Hold on a second. 463 00:44:04,080 --> 00:44:06,322 Hey, hey. Quit... 464 00:44:08,335 --> 00:44:11,252 That camera paid for this expedition. - Alex. 465 00:44:13,882 --> 00:44:15,958 I'm sorry. 466 00:44:17,052 --> 00:44:18,843 Sorry. 467 00:44:18,929 --> 00:44:20,969 Yeah. 468 00:44:28,939 --> 00:44:30,481 There's a current. 469 00:44:31,983 --> 00:44:34,854 Grab some food. You two keep an eye out. 470 00:44:36,404 --> 00:44:38,065 We'll rest for 20. 471 00:45:20,699 --> 00:45:24,199 I'm getting a little worried. Gangrene might be setting in. 472 00:45:24,286 --> 00:45:28,331 - I don't think those antibiotics are working. - What should we do? 473 00:45:28,415 --> 00:45:31,665 - Not sure we can do anything. Maybe I should talk to him? 474 00:45:31,752 --> 00:45:35,204 I've never seen Jack like this before. He's completely losing it. 475 00:45:35,298 --> 00:45:38,132 We're five miles in. We're not going back. 476 00:45:38,217 --> 00:45:41,301 That's for sure. Jack's the most experienced one. 477 00:45:41,386 --> 00:45:44,174 If anyone can get us out, it's him. Come on! 478 00:45:44,264 --> 00:45:46,553 We don't know where the hell we're going. 479 00:45:52,814 --> 00:45:54,273 How you doing? 480 00:45:58,737 --> 00:46:00,777 Jack... 481 00:46:00,865 --> 00:46:02,905 I'm worried about you. 482 00:46:06,078 --> 00:46:08,117 Briggs is gonna be a problem. 483 00:46:08,205 --> 00:46:10,245 You know that, don't you? 484 00:46:18,340 --> 00:46:21,127 I can't save them, Tyler, if they don't trust me. 485 00:46:22,512 --> 00:46:24,551 I'm gonna need your help with that. 486 00:46:26,140 --> 00:46:28,180 You understand? 487 00:46:28,267 --> 00:46:30,307 OK. 488 00:46:36,191 --> 00:46:38,516 All right. Let's get in the water. 489 00:46:54,211 --> 00:46:57,544 Let's not get too spread out. Everybody should be in the water by now. 490 00:46:57,631 --> 00:47:00,750 I'm in now. Top and Tyler are right behind me. 491 00:47:03,552 --> 00:47:06,719 - Top, if Jack gets any worse... - I know. 492 00:47:06,805 --> 00:47:08,845 Let's hope it doesn't come to that. 493 00:47:50,017 --> 00:47:52,174 The current's pushing us up. 494 00:47:53,310 --> 00:47:54,888 Yeah, I feel it. 495 00:47:54,979 --> 00:47:57,221 Looks like it's pretty choppy up there. 496 00:48:10,912 --> 00:48:12,952 All right, listen up. Secure all your gear. 497 00:48:13,040 --> 00:48:17,417 - Jack, we don't know where the rapids go. - What do you want to do, go back? 498 00:48:17,502 --> 00:48:20,953 - She's right. We should find another way. - This is the goddamn way! 499 00:48:23,132 --> 00:48:25,588 - I'll go first. - Yeah, get going. 500 00:48:31,475 --> 00:48:36,386 - All right, Dr. Nicolai, you're coming with me. - You'll be fine, all right? Come on. 501 00:48:36,479 --> 00:48:39,053 Tyler, you take Kathryn. Let's go! 502 00:48:39,149 --> 00:48:41,189 Briggs, Charlie, go now! 503 00:48:47,365 --> 00:48:49,691 Jack! 504 00:48:58,711 --> 00:48:59,790 Argh! 505 00:48:59,879 --> 00:49:02,121 Dr. Nicolai! 506 00:49:02,214 --> 00:49:04,254 Here. 507 00:49:05,676 --> 00:49:08,083 Now put your goggles on, and hang onto me. 508 00:49:10,097 --> 00:49:12,136 Here we go. 509 00:49:14,560 --> 00:49:17,430 Your brother's got a serious death wish. 510 00:49:17,521 --> 00:49:21,056 Listen to me. You have to trust him, OK? We will get out. 511 00:49:21,149 --> 00:49:23,023 It's OK. You'll be fine. Come on. 512 00:49:34,038 --> 00:49:36,410 I'm stuck! 513 00:49:36,498 --> 00:49:38,491 - What is it? - Tyler, something has me! 514 00:49:38,584 --> 00:49:41,538 - Cut your harness free! - Tyler! 515 00:49:41,628 --> 00:49:44,713 - Kathryn, the current's too strong! - Ty, I'm stuck! 516 00:49:45,299 --> 00:49:48,051 - I can't get back! - Ty! 517 00:49:48,136 --> 00:49:49,511 Kathryn! 518 00:49:49,595 --> 00:49:51,635 Tyler! 519 00:50:00,522 --> 00:50:02,147 Tyler! 520 00:50:02,232 --> 00:50:03,607 Tyler! 521 00:50:05,485 --> 00:50:08,771 My God! 522 00:50:09,573 --> 00:50:10,902 Tyler! 523 00:50:12,284 --> 00:50:13,564 Help me! 524 00:50:48,112 --> 00:50:50,734 What happened? You OK? 525 00:50:50,823 --> 00:50:52,862 - Something had me back there. - You hurt? 526 00:50:52,950 --> 00:50:54,990 I'm OK. I'm OK. 527 00:51:08,800 --> 00:51:10,424 There's something in the water! 528 00:51:19,476 --> 00:51:21,516 Oh, shit! It's some kind of eel. 529 00:51:28,403 --> 00:51:31,439 Does anybody have eyes on Dr. Nicolai or Charlie? 530 00:51:31,531 --> 00:51:33,939 Yeah, I got Charlie and Kathryn. 531 00:51:34,034 --> 00:51:37,402 Nicolai's wracked up on the rocks above the falls. He's in bad shape. 532 00:51:37,496 --> 00:51:39,239 All right. Flare's coming up. Top. 533 00:51:42,000 --> 00:51:43,163 I see 'em. 534 00:51:43,252 --> 00:51:47,379 Yeah, looks like a couple of hundred yards. All right. Come on. Come on. 535 00:51:48,798 --> 00:51:50,837 Alex, you all right? 536 00:51:53,095 --> 00:51:56,345 - Well, that was a great idea. - You're alive, aren't you? 537 00:51:56,431 --> 00:51:57,594 Jack. 538 00:51:58,683 --> 00:52:01,720 - Everyone all right? - Yeah. 539 00:52:01,812 --> 00:52:03,852 Stick close together. 540 00:52:17,076 --> 00:52:21,027 That's Dr. Nicolai. Top, light another one. I'm gonna go after him. 541 00:52:22,624 --> 00:52:24,664 Help me! 542 00:52:26,253 --> 00:52:28,293 Nicolai! 543 00:52:28,380 --> 00:52:30,337 I'm here! 544 00:52:51,862 --> 00:52:53,487 Nicolai! 545 00:52:56,658 --> 00:52:59,328 - Nicolai! - Everybody stay put! 546 00:53:01,038 --> 00:53:02,662 Nicolai! 547 00:53:05,959 --> 00:53:08,201 - We have to help him! - No! Everybody in a circle! 548 00:53:08,295 --> 00:53:12,423 - Backs to the centre. We have to help him! Nicolai! 549 00:53:20,058 --> 00:53:22,096 Dr. Nicolai? 550 00:53:49,170 --> 00:53:51,708 We can't just sit here. There's got to be a shore close. 551 00:53:51,798 --> 00:53:54,004 Nobody's going anywhere till Jack gets back. 552 00:53:55,092 --> 00:53:58,710 What was that? You hear that? 553 00:54:02,016 --> 00:54:04,553 Oh, shit! What the hell was that? 554 00:54:12,360 --> 00:54:16,025 Get back in a circle! - I can't take this! God! 555 00:54:24,830 --> 00:54:26,989 Nicolai! 556 00:54:32,463 --> 00:54:34,372 Nicolai! 557 00:54:59,324 --> 00:55:00,866 It's over. 558 00:55:02,160 --> 00:55:04,199 Let's get the hell out of the water. 559 00:55:04,287 --> 00:55:08,451 He said he didn't want to go deeper, Jack! He was your responsibility! 560 00:55:08,542 --> 00:55:11,827 He said he didn't want to go deeper. 561 00:55:11,920 --> 00:55:13,959 It's over, Kathryn. 562 00:55:28,270 --> 00:55:30,642 There's a ledge here. We can walk. 563 00:55:41,991 --> 00:55:45,076 - What the hell is that? - Echolocation. 564 00:55:45,162 --> 00:55:49,824 This thing can probably see us as easily as a bat sees a moth in complete darkness. 565 00:55:57,382 --> 00:55:59,624 Wait here. I'm gonna scout ahead. 566 00:56:06,808 --> 00:56:09,596 It's a strong current. It's definitely worth a try. 567 00:56:09,686 --> 00:56:11,097 Yeah. 568 00:56:12,689 --> 00:56:15,394 That's gotta come up on the surface. 569 00:56:16,484 --> 00:56:19,770 I'm not sure I like the idea of deep water right now. 570 00:56:23,367 --> 00:56:24,695 Tyler. 571 00:56:24,785 --> 00:56:26,777 You and I are going up this wall. 572 00:56:26,870 --> 00:56:30,405 But this is the main water flow. We just follow it out of the system. 573 00:56:30,499 --> 00:56:34,117 When we get to the top, we'll secure ropes. The rest of you come up on ascenders. 574 00:56:34,210 --> 00:56:36,369 Jack, I'm the best climber. I'll go first. 575 00:56:36,463 --> 00:56:40,377 Nobody's climbing anywhere. There's a huge exit sign right here in front of us... 576 00:56:40,467 --> 00:56:43,421 You don't have a goddamn clue what's going on. 577 00:56:46,473 --> 00:56:47,802 None of you do. 578 00:56:47,892 --> 00:56:49,636 It's a trap. 579 00:56:54,232 --> 00:56:57,647 - The wall's the safest option. - Jack's right. I'll go. 580 00:56:57,734 --> 00:56:59,442 I said no. 581 00:57:01,530 --> 00:57:03,357 Let's go. 582 00:57:18,714 --> 00:57:20,256 You see that? 583 00:57:20,341 --> 00:57:22,748 That's where we're going. 584 00:57:22,843 --> 00:57:25,512 - I'll route the left. Let's do it. - All right. 585 00:57:30,768 --> 00:57:32,393 A little insurance for you guys. 586 00:57:32,478 --> 00:57:37,187 We bored out these propane valves. Should give you a nice flame for four or five feet. 587 00:57:37,274 --> 00:57:40,609 Scare anything that tries to come close. Enough for a couple of blasts. 588 00:57:40,695 --> 00:57:42,854 - Kim, give me a hand with this. - Yeah. 589 00:57:58,921 --> 00:58:01,412 Jack's ill, Tyler. He's not fit to lead anymore. 590 00:58:06,346 --> 00:58:09,512 - He's not the man we started with. - He's my brother. 591 00:58:13,353 --> 00:58:14,811 Charlie! 592 00:58:15,897 --> 00:58:17,936 I told you no! 593 00:58:18,023 --> 00:58:21,523 Hey, be careful! - Get the rope. 594 00:58:21,610 --> 00:58:24,067 Get your ass back down here, Charlie! 595 00:58:24,155 --> 00:58:26,646 I'll be all right! 596 00:58:28,535 --> 00:58:31,868 The girl's quick, man. Get the rope. OK, I'm on belay. 597 00:58:33,373 --> 00:58:35,033 Let's find a route. Let's go! 598 00:58:36,960 --> 00:58:39,000 Top, you got it? 599 00:58:39,088 --> 00:58:41,494 Damn, that girl moves fast. 600 00:58:41,589 --> 00:58:43,628 Be careful up there, Charlie! 601 00:58:43,716 --> 00:58:45,092 Charlie! 602 00:58:47,178 --> 00:58:49,930 Charlie. You got good holds to your right. 603 00:58:50,015 --> 00:58:52,636 - Keep moving right. 604 00:58:57,314 --> 00:58:59,851 I think she’s over the edge. All right! 605 00:58:59,941 --> 00:59:04,734 How the heck are we gonna follow that? She went over the bump. She's good. 606 00:59:04,822 --> 00:59:06,861 I can't even see her. 607 00:59:06,948 --> 00:59:08,857 I got it here. Keep feeding it out. 608 00:59:20,671 --> 00:59:21,833 There we go. 609 00:59:38,230 --> 00:59:41,230 How's it holding? How's it holding, Tyler? 610 00:59:41,316 --> 00:59:43,356 Looks good. 611 00:59:58,375 --> 01:00:00,700 Safe! 612 01:00:01,420 --> 01:00:03,875 Talk to me, Charlie. What's going on? 613 01:00:05,841 --> 01:00:08,676 Is the line set? Ready to climb, Charlie. 614 01:00:10,721 --> 01:00:12,760 Charlie? 615 01:00:12,848 --> 01:00:17,391 Jack, I'm over the edge. I can feel a draught. 616 01:00:17,478 --> 01:00:20,230 I'm going up. Go for it. 617 01:00:50,886 --> 01:00:52,843 What's going on, Charlie? 618 01:00:55,766 --> 01:00:57,176 You safe, Charlie? 619 01:00:57,267 --> 01:00:58,548 Charlie? 620 01:01:19,332 --> 01:01:20,707 Charlie! 621 01:01:23,294 --> 01:01:24,872 Charlie! 622 01:01:32,094 --> 01:01:33,506 Charlie, talk to me! 623 01:01:33,596 --> 01:01:34,971 Charlie! 624 01:02:01,249 --> 01:02:04,499 Get me down! 625 01:02:04,586 --> 01:02:07,669 - It's up here! - Get that rope free! 626 01:02:07,755 --> 01:02:10,246 - Jack! - I'm going up! 627 01:02:10,341 --> 01:02:11,717 Come on, guys! Come on! 628 01:02:20,602 --> 01:02:24,053 Get me down! Save me! 629 01:02:24,147 --> 01:02:25,938 Move! 630 01:03:40,474 --> 01:03:41,849 Charlie! 631 01:04:01,620 --> 01:04:03,743 They fly! They freakin' fly! 632 01:04:27,897 --> 01:04:29,225 No! 633 01:04:38,783 --> 01:04:40,575 Charlie! 634 01:05:31,586 --> 01:05:34,587 There's enough secured rope to make it to the opening. 635 01:05:37,300 --> 01:05:39,008 What's happening to you? 636 01:05:45,475 --> 01:05:49,057 As long as we stay together as a group, we can hold them back. 637 01:05:51,022 --> 01:05:53,513 I think I know now. 638 01:05:55,068 --> 01:05:57,310 - It's a parasite. - That's from a parasite? 639 01:05:57,403 --> 01:06:02,030 It mutates the host so they can both survive down here in this environment. 640 01:06:02,116 --> 01:06:05,734 - And that's what's gonna happen to all of us? - I don't know, Alex. 641 01:06:07,705 --> 01:06:09,330 I'd say... 642 01:06:09,416 --> 01:06:12,085 it entered your bloodstream through one of your cuts. 643 01:06:13,753 --> 01:06:16,423 Jack, it's affecting your nervous system. 644 01:06:16,507 --> 01:06:19,175 So the other cavers? It happened to them. 645 01:06:20,261 --> 01:06:23,296 - So, what? It just ate them? - No. 646 01:06:23,389 --> 01:06:26,971 They weren't eaten by the creatures. 647 01:06:27,057 --> 01:06:28,885 They are the creatures. Right, Jack? 648 01:06:28,977 --> 01:06:31,017 And now there's nothing human left. 649 01:06:32,230 --> 01:06:35,599 They're enjoying this, Kathryn. 650 01:06:35,692 --> 01:06:37,899 So now you understand them, Jack? 651 01:06:39,363 --> 01:06:41,818 Jack. Jack, you're gonna be fine. 652 01:06:41,907 --> 01:06:45,074 - You've gotten us this far. - Got us this far, Tyler? 653 01:06:45,161 --> 01:06:49,621 Come on. He got Charlie and Dr. Nicolai dead. 654 01:06:49,706 --> 01:06:51,534 That's what he got. 655 01:06:51,625 --> 01:06:54,625 No. No more. 656 01:06:54,711 --> 01:06:56,585 The river's the way out. 657 01:06:56,671 --> 01:06:59,423 Kathryn's right. I'm with her. 658 01:07:04,597 --> 01:07:06,635 Who else is coming? 659 01:07:06,723 --> 01:07:08,515 Alex? 660 01:07:09,851 --> 01:07:13,351 If you ever wanna see the sun again, you should follow me now. 661 01:07:20,236 --> 01:07:23,487 This is bullshit! We have to stay together! 662 01:07:23,573 --> 01:07:27,441 Tyler, look at him. He's not human. 663 01:07:28,745 --> 01:07:30,074 We need you with us. 664 01:07:30,164 --> 01:07:32,156 Tyler? 665 01:07:35,503 --> 01:07:36,499 Good luck. 666 01:07:45,721 --> 01:07:47,843 Fine. Let's get in the water. 667 01:08:12,414 --> 01:08:14,870 Tell me we're doing the right thing. 668 01:08:17,795 --> 01:08:19,835 Don't stop believing in him, Ty. 669 01:08:53,915 --> 01:08:55,575 It's getting cold. 670 01:09:09,097 --> 01:09:10,507 Where to? 671 01:09:11,932 --> 01:09:13,131 Down. 672 01:09:14,894 --> 01:09:16,934 You sure? 673 01:09:18,189 --> 01:09:19,600 Yeah, down. 674 01:09:23,361 --> 01:09:25,650 - My lead. Let's go. - Yeah. 675 01:09:44,299 --> 01:09:46,007 You OK? 676 01:09:46,093 --> 01:09:49,793 Yeah, it's solid! Off rope! 677 01:10:00,398 --> 01:10:01,513 Argh! 678 01:10:03,026 --> 01:10:05,019 - Tyler! - Tyler! 679 01:10:09,408 --> 01:10:11,115 Top, cover! 680 01:10:13,078 --> 01:10:14,358 Shit! 681 01:10:15,872 --> 01:10:17,782 Hold on, Top! 682 01:10:38,353 --> 01:10:40,311 Shit! 683 01:10:45,902 --> 01:10:48,654 Top! Top! You all right? 684 01:10:48,738 --> 01:10:50,778 My leg. 685 01:10:51,867 --> 01:10:53,906 - Can you walk? - I don't know. 686 01:10:53,994 --> 01:10:56,034 Oh, shit! 687 01:11:02,002 --> 01:11:05,786 Looks like the rebreather punched a hole through the ice. 688 01:11:06,883 --> 01:11:08,921 Yeah. 689 01:11:11,845 --> 01:11:13,885 Smells like methane. 690 01:11:59,310 --> 01:12:00,590 Some kind of killing ground. 691 01:12:02,063 --> 01:12:04,268 It's just like Nicolai's mosaic legend. 692 01:12:04,356 --> 01:12:07,476 That means there's gotta be an opening close by. 693 01:12:20,206 --> 01:12:21,914 Top! Tyler! 694 01:12:31,550 --> 01:12:34,220 - You see the light? - Yeah. 695 01:12:34,303 --> 01:12:37,470 There's cold water coming up. That's the way out of here. 696 01:12:37,556 --> 01:12:41,637 - I think you're right. - It must have been a dry passage. 697 01:12:45,690 --> 01:12:48,526 Jack? Jack? 698 01:12:49,695 --> 01:12:52,731 Jack, what's happening? Top? 699 01:12:52,823 --> 01:12:56,107 What's going on? 700 01:12:56,200 --> 01:12:57,445 Jack. 701 01:13:07,254 --> 01:13:09,661 You two get out of here. I'm going back for them. 702 01:13:09,756 --> 01:13:12,461 You're in no condition. Top can barely walk. 703 01:13:12,551 --> 01:13:15,551 - I'm the one that has to go. - Put your gear on and get in the water. 704 01:13:15,637 --> 01:13:18,211 I'm not getting in the water. You're not going back. 705 01:13:19,183 --> 01:13:20,641 Mac, whoa! Whoa! 706 01:13:24,103 --> 01:13:26,012 He's right. 707 01:13:30,110 --> 01:13:33,313 Now, come on, Jack. You led us here. You were right. 708 01:13:35,323 --> 01:13:38,527 But I'm doing this now. I'm going back for them. 709 01:13:49,963 --> 01:13:53,498 This is the way. We walk until it opens up again. 710 01:14:05,353 --> 01:14:08,308 Run. Run! 711 01:14:42,682 --> 01:14:45,434 Shit, we got company. He must have followed us here. 712 01:14:51,692 --> 01:14:53,566 This thing has got to have a weakness. 713 01:14:53,653 --> 01:14:56,523 Everything's got a weakness. Where is it? 714 01:14:56,614 --> 01:14:58,488 It's moving. 715 01:15:00,034 --> 01:15:00,982 Top! 716 01:15:11,420 --> 01:15:13,911 It took one of the rebreathers. 717 01:15:15,007 --> 01:15:16,916 He's playing with us. 718 01:16:07,935 --> 01:16:09,975 Kathryn! 719 01:16:12,065 --> 01:16:13,559 Briggs! 720 01:16:22,493 --> 01:16:24,863 Help! 721 01:16:26,412 --> 01:16:28,535 - Briggs! - Help! 722 01:16:28,623 --> 01:16:31,114 Briggs! 723 01:16:31,209 --> 01:16:32,667 No, no! 724 01:16:32,752 --> 01:16:35,326 - Come on! - No! 725 01:16:35,422 --> 01:16:36,667 Come on! 726 01:16:36,756 --> 01:16:38,583 Tyler! 727 01:16:38,675 --> 01:16:39,920 Shit! 728 01:16:42,345 --> 01:16:44,303 Help! 729 01:17:09,748 --> 01:17:10,993 Tyler. 730 01:17:14,295 --> 01:17:15,574 Briggs. 731 01:17:18,089 --> 01:17:19,797 Kathryn. 732 01:17:19,882 --> 01:17:21,342 Where? 733 01:17:32,897 --> 01:17:36,480 Sorry. Go. 734 01:17:36,567 --> 01:17:39,105 - Go. - No. 735 01:17:39,195 --> 01:17:40,392 Briggs! 736 01:18:05,429 --> 01:18:07,302 Shit. 737 01:18:21,695 --> 01:18:22,442 Tyler. 738 01:18:25,074 --> 01:18:27,944 Are you all right? What happened? 739 01:18:28,035 --> 01:18:30,242 - Why did they leave? - Sound waves. 740 01:18:30,329 --> 01:18:32,821 They retreat from the pulse. Doesn't last long. 741 01:18:32,915 --> 01:18:36,782 - We found a way out. - Jack was right. 742 01:18:36,877 --> 01:18:39,415 And the others? Briggs? 743 01:18:40,965 --> 01:18:44,000 No, no. He didn't make it. 744 01:18:44,927 --> 01:18:47,597 - Where's Kim? - I don't know. We got separated. 745 01:18:47,680 --> 01:18:49,922 Shit! 746 01:18:50,016 --> 01:18:52,721 All right, come on. This way. 747 01:19:11,912 --> 01:19:13,537 This is it. You ready? 748 01:19:14,623 --> 01:19:17,909 - You can make it. - Yeah. 749 01:19:22,716 --> 01:19:23,913 All right. 750 01:19:31,849 --> 01:19:33,888 Let's go. 751 01:19:33,976 --> 01:19:36,016 Don't be scared. It's gonna be fine. 752 01:19:44,404 --> 01:19:46,028 Watch your head. 753 01:19:47,532 --> 01:19:49,572 Tyler! 754 01:19:51,285 --> 01:19:53,324 We've gotta go under. 755 01:21:29,593 --> 01:21:31,800 Come on, Kathryn. Breathe. 756 01:21:35,891 --> 01:21:37,930 Are you all right? 757 01:22:03,251 --> 01:22:05,708 - Alex! - We gotta go. They're coming this way! 758 01:22:08,548 --> 01:22:11,752 - Look, I can't go back in the water. - Come on. 759 01:22:11,844 --> 01:22:16,055 The way out's next to an ice vein. This has to connect to the other one. Let's go. 760 01:22:29,904 --> 01:22:30,899 All right. 761 01:22:54,303 --> 01:22:56,343 They gotta be here somewhere. 762 01:22:58,558 --> 01:23:00,514 But where? 763 01:23:01,602 --> 01:23:04,520 Jack, Top. 764 01:23:04,605 --> 01:23:06,645 Quiet. 765 01:23:06,733 --> 01:23:08,772 Kill your light. 766 01:23:14,824 --> 01:23:16,615 Where's Briggs? 767 01:23:21,748 --> 01:23:23,787 They're watching us. 768 01:23:23,874 --> 01:23:25,868 They see with sound. 769 01:23:25,960 --> 01:23:28,533 And the steam, it's confusing them. 770 01:23:28,629 --> 01:23:31,999 They took one of our rebreathers, but they've left us alone since. 771 01:23:32,091 --> 01:23:35,377 - They're waiting on something. - There were more right behind us. 772 01:23:35,470 --> 01:23:39,053 We should get in the water now. 773 01:23:39,141 --> 01:23:41,762 Look. This works for a while. 774 01:23:41,852 --> 01:23:46,596 We have to split out the tanks, the air and oxygen. Won't last long, but it's our only choice. 775 01:23:51,193 --> 01:23:53,317 We need the other rebreather, Tyler. 776 01:24:00,287 --> 01:24:01,946 You see it there? 777 01:24:02,038 --> 01:24:05,324 - Yeah. - I'm going for it. You get the rest in the water. 778 01:24:07,294 --> 01:24:08,492 OK. 779 01:24:09,546 --> 01:24:11,787 Top, start breaking down that unit. 780 01:24:13,007 --> 01:24:15,545 Kathryn, you and Alex buddy-breathe from the air tank. 781 01:24:15,635 --> 01:24:18,589 Top, that's gonna leave you with the oxygen. 782 01:24:18,680 --> 01:24:20,719 - No regulator. - Cool. 783 01:24:29,065 --> 01:24:30,181 Jack! 784 01:24:39,200 --> 01:24:41,691 I'll cover you with the mapping gun. 785 01:24:41,786 --> 01:24:44,159 All right, let's go. Let's get out of here. 786 01:25:25,330 --> 01:25:26,576 Let's go! Come on! 787 01:25:47,102 --> 01:25:48,016 Alex! 788 01:26:00,240 --> 01:26:01,403 Oh! 789 01:26:40,823 --> 01:26:43,315 Tyler! - Tyler! 790 01:27:16,025 --> 01:27:16,891 Jack! 791 01:27:30,248 --> 01:27:32,371 Tyler, behind us! 792 01:27:32,459 --> 01:27:33,372 Tyler! 793 01:27:46,222 --> 01:27:49,092 Jack, there's another one! 794 01:27:54,731 --> 01:27:56,391 Jack, no! 795 01:28:00,362 --> 01:28:01,477 Go! 796 01:28:07,577 --> 01:28:09,819 Jack! Get in the water! 797 01:28:17,588 --> 01:28:19,544 Come on, mother... 798 01:28:27,974 --> 01:28:29,171 No! 799 01:29:51,598 --> 01:29:54,089 You gonna be OK, Tyler? - Yeah. 800 01:29:55,185 --> 01:29:57,511 Take care of yourself, man. 801 01:30:00,775 --> 01:30:02,814 Bye, Kathryn. 802 01:30:08,616 --> 01:30:11,570 - Travel safe, OK? - All right. 803 01:30:34,726 --> 01:30:36,765 Tyler? 804 01:30:36,853 --> 01:30:39,142 I'm sorry. 805 01:30:39,231 --> 01:30:41,519 You're thinking about him. 806 01:30:41,607 --> 01:30:43,350 Yeah. 807 01:30:51,450 --> 01:30:53,490 You said that parasite was changing him. 808 01:30:53,578 --> 01:30:57,658 I mean, he never could have survived out here, could he? 809 01:31:03,338 --> 01:31:07,667 At first... I thought it could only survive in a cave environment. 810 01:31:09,718 --> 01:31:12,008 But now I'm not so sure. 811 01:31:17,727 --> 01:31:20,301 I think it wants to get out. 812 01:31:25,778 --> 01:31:26,857 No. 813 01:31:30,866 --> 01:31:31,980 Excuse me. 814 01:31:44,254 --> 01:31:45,583 Hey!