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1
00:00:05,352 --> 00:00:11,450
This is where you feel vulnerable,
swimming in with a chunk of bait.
2
00:00:12,392 --> 00:00:15,725
A Dunkleosteus. This is what we came for!
3
00:00:17,898 --> 00:00:19,866
Oh!
4
00:00:21,768 --> 00:00:23,759
This is Nigel Marven.
5
00:00:24,304 --> 00:00:28,741
He's a zoologist and an expert
in tackling dangerous animals.
6
00:00:28,909 --> 00:00:32,367
But his latest adventure
is really testing his nerve.
7
00:00:32,546 --> 00:00:37,848
He's left the safety of the 21st century
behind and traveled back to prehistory.
8
00:00:38,018 --> 00:00:41,681
His mission, to visit
the seven deadliest seas of all time
9
00:00:41,855 --> 00:00:47,191
and to come face-to-face with the most terrifying
sea creatures the Earth has ever known.
10
00:00:47,794 --> 00:00:50,627
He's experienced three of the deadly seas,
11
00:00:50,797 --> 00:00:53,595
and from here on it's only going to get worse.
12
00:00:53,767 --> 00:00:56,668
He's about to meet the owner of these jaws,
13
00:00:56,837 --> 00:01:01,467
and worse still, the most lethal shark
the world has ever seen.
14
00:01:02,743 --> 00:01:05,906
But only if he can escape the Devonian seas
15
00:01:06,313 --> 00:01:09,510
and an armored fish called Dunkleosteus.
16
00:01:09,683 --> 00:01:12,675
He's coming in again, he's fast this time.
17
00:01:23,697 --> 00:01:26,291
Ah! Slammed the cage again.
18
00:01:28,602 --> 00:01:32,299
This is getting serious.
He really walloped the cage.
19
00:01:32,472 --> 00:01:36,067
Dented the bars there. He really wants this bait.
20
00:01:36,943 --> 00:01:39,537
I want to win the bet I had with the crew.
21
00:01:39,713 --> 00:01:43,945
This sea monster,
I'm sure he can slice through chain mail.
22
00:01:44,551 --> 00:01:47,042
He's coming closer.
23
00:01:49,756 --> 00:01:53,658
Ah, God!
Nearly wrenched my arm out of the socket.
24
00:01:53,827 --> 00:01:56,728
And he's chomping through now.
25
00:01:57,564 --> 00:02:00,465
Slicing through it, chain mail and all.
26
00:02:01,501 --> 00:02:03,059
And I have won my bet.
27
00:02:07,774 --> 00:02:11,870
There's a little Dunkleosteus here.
Right underneath me.
28
00:02:12,045 --> 00:02:14,309
He's looking for little tidbits.
29
00:02:14,481 --> 00:02:18,577
These armored fish flourished
for around 50 million years,
30
00:02:18,752 --> 00:02:21,050
then all of them became extinct.
31
00:02:22,923 --> 00:02:24,413
Whaa!
32
00:02:25,125 --> 00:02:26,683
Wow!
33
00:02:26,860 --> 00:02:28,828
Listen to that.
34
00:02:28,995 --> 00:02:30,986
It makes you shudder.
35
00:02:31,598 --> 00:02:34,567
The big predator is crunching that juvenile,
36
00:02:34,734 --> 00:02:36,668
crunching the plates.
37
00:02:39,206 --> 00:02:42,539
The Dunkleosteus
was certainly showing its true form.
38
00:02:42,709 --> 00:02:46,304
It's not just a predator, it's a cannibal as well.
39
00:02:50,150 --> 00:02:52,448
And as for its table manners...
40
00:02:57,057 --> 00:02:59,651
Believe it or not, this is normal behavior.
41
00:02:59,826 --> 00:03:02,260
The Dunkleosteus isn't being sick.
42
00:03:02,429 --> 00:03:05,523
A fish like this that feeds on armored food
43
00:03:05,765 --> 00:03:08,461
needs to get rid of the indigestible bits,
44
00:03:08,635 --> 00:03:13,902
and it's regurgitated the bits of fish armor
and, in this case, the chain mail,
45
00:03:14,074 --> 00:03:16,201
and this is perfectly normal.
46
00:03:17,978 --> 00:03:22,244
Normal for 360 million years ago, maybe.
47
00:03:23,984 --> 00:03:26,885
But there's no time to rest on laurels.
48
00:03:27,621 --> 00:03:29,646
They've yet to reach the halfway mark
49
00:03:29,823 --> 00:03:34,453
in their voyage through
the most perilous seas of prehistory.
50
00:03:34,961 --> 00:03:38,988
Ahead of them are four more
deadlier encounters.
51
00:03:40,100 --> 00:03:44,867
Next up, our time-traveling crew
heads to an era closer to the present day.
52
00:03:45,038 --> 00:03:48,132
In fact, it's a mere 36 million years ago,
53
00:03:48,308 --> 00:03:52,938
which is midway between the extinction
of the dinosaurs and modern day.
54
00:03:53,113 --> 00:03:57,209
It's home to the meanest sea mammal
that has ever lived.
55
00:04:11,565 --> 00:04:16,366
This must be one of the squelchiest
of habitats. Mangrove swamps.
56
00:04:16,536 --> 00:04:20,097
They're lush,
muddy and there's water everywhere.
57
00:04:20,273 --> 00:04:23,436
As far from a desert as you could imagine.
58
00:04:23,610 --> 00:04:27,808
But believe it or not,
this will one day become the Sahara.
59
00:04:28,381 --> 00:04:31,544
I'm on the site of what will become Cairo.
60
00:04:31,718 --> 00:04:35,279
If I stood here for 36 million years,
61
00:04:35,455 --> 00:04:40,085
the Egyptians would come and start
building pyramids on my head.
62
00:04:43,496 --> 00:04:47,023
The Eocene is the beginning
of the time of mammals.
63
00:04:47,200 --> 00:04:49,532
They rule the Earth, they rule the sea,
64
00:04:49,703 --> 00:04:53,503
and as I was about to find out,
they even rule the bit in between.
65
00:05:00,313 --> 00:05:02,975
These look really promising, look.
66
00:05:04,584 --> 00:05:06,984
The feet have splayed like a camel's,
67
00:05:07,153 --> 00:05:11,556
to support the weight, spread the weight
so they don't sink into the sand.
68
00:05:11,725 --> 00:05:16,253
But it's a really curious track -
they're widely spaced.
69
00:05:16,429 --> 00:05:19,455
Most animals, it's one foot in front of the other.
70
00:05:19,633 --> 00:05:25,833
It's as if this animal swings its weight
from side to side as it's walking along.
71
00:05:26,006 --> 00:05:27,974
This is really weird.
72
00:05:28,141 --> 00:05:31,542
It must be a big, big animal that waddles along.
73
00:05:31,711 --> 00:05:33,372
Let me see if I can...
74
00:05:33,546 --> 00:05:35,537
(CHUCKLES)
75
00:05:40,820 --> 00:05:43,186
Every tracker's dream, look.
76
00:05:43,356 --> 00:05:45,347
A pile of fresh dung.
77
00:05:46,126 --> 00:05:50,062
So fresh you can almost feel
the heat emanating off it.
78
00:05:50,430 --> 00:05:54,059
The Inuit, it's rumored
that they eat bits of dung
79
00:05:54,234 --> 00:05:56,532
to learn about what they're tracking.
80
00:05:56,703 --> 00:05:58,762
I want to give that a miss, but...
81
00:05:58,938 --> 00:06:01,930
If you smell that,
it's sweet, not too unpleasant.
82
00:06:02,108 --> 00:06:07,637
A sweet smell, and I think the animal
I'm looking for is a fruit eater.
83
00:06:09,916 --> 00:06:12,441
(DEEP BAYING)
84
00:06:14,854 --> 00:06:16,845
Here he is, come on.
85
00:06:18,024 --> 00:06:20,015
Keep quiet.
86
00:06:20,694 --> 00:06:24,892
It's the only animal that waddles like that.
87
00:06:25,065 --> 00:06:30,799
It is a surreal creature with a funny name.
It's called an Arsinoitherium.
88
00:06:31,471 --> 00:06:34,531
These creatures have extraordinary horns.
89
00:06:34,708 --> 00:06:39,236
This is a male - they splay out.
The females, they're much more vertical.
90
00:06:39,412 --> 00:06:43,280
And this is what he uses
for defense and for fighting.
91
00:06:44,250 --> 00:06:46,309
They've got disadvantages, too.
92
00:06:46,486 --> 00:06:51,981
He's looking at me, but he can't look
because the horns are covering his eyes.
93
00:06:53,426 --> 00:06:55,417
He knows we're here,
94
00:06:55,595 --> 00:06:58,860
but he's not approaching or anything,
not running away.
95
00:06:59,032 --> 00:07:03,298
He's edgy,
but I really want to get a closer look.
96
00:07:06,773 --> 00:07:08,764
Come on.
97
00:07:10,110 --> 00:07:11,771
I'm gonna try something.
98
00:07:11,945 --> 00:07:16,405
See whether he'd like
to eat something from the 21st century.
99
00:07:32,298 --> 00:07:34,289
(SNORTING)
100
00:07:57,724 --> 00:07:59,817
He might look like a rhino,
101
00:07:59,993 --> 00:08:03,292
but this mammal
is more closely related to the elephant.
102
00:08:03,463 --> 00:08:07,229
More surprising still is that it lives like a hippo.
103
00:08:12,238 --> 00:08:15,571
Arsinoitherium is a sea monster, after all.
104
00:08:15,742 --> 00:08:17,937
Well, at least an amphibious one.
105
00:08:18,111 --> 00:08:22,548
There's plentiful food in the mangroves
for a huge vegetarian,
106
00:08:22,715 --> 00:08:27,243
but living here is difficult. A beach
in the morning is a lagoon by midday.
107
00:08:27,420 --> 00:08:32,483
Arsinoitherium, though, is adapted
to deal with the changing tides.
108
00:08:34,527 --> 00:08:38,054
A creature that's as happy in water as on land.
109
00:08:38,231 --> 00:08:40,290
In fact, probably happier.
110
00:08:44,771 --> 00:08:47,899
The Eocene is a momentous time for mammals.
111
00:08:48,074 --> 00:08:49,939
As well as amphibious species,
112
00:08:50,109 --> 00:08:54,478
new types have evolved which are
totally adapted to life in the ocean.
113
00:08:54,647 --> 00:08:56,638
Here were some of them.
114
00:08:57,684 --> 00:08:59,276
Dorudon.
115
00:08:59,452 --> 00:09:01,613
A species of ancient whale.
116
00:09:01,788 --> 00:09:07,021
And whales were the reason I'd come here,
though not for these tiddlers.
117
00:09:07,260 --> 00:09:13,221
I was after a far bigger, meaner whale
that eats Dorudon for breakfast.
118
00:09:18,972 --> 00:09:22,908
It was time to find the tyrant
that rules these waters.
119
00:09:34,854 --> 00:09:40,121
We're sailing right here in the middle
of the Tepis Sea, between Europe and Africa.
120
00:09:40,293 --> 00:09:45,287
This is a pretty unfamiliar map,
because it's not like this in the 21st century.
121
00:09:45,465 --> 00:09:47,456
This sea closes up and dries up,
122
00:09:47,634 --> 00:09:52,594
and we're actually sailing over
what will become the Sahara Desert.
123
00:09:53,139 --> 00:09:57,303
And this...is the monster that we're looking for.
124
00:09:57,777 --> 00:10:00,405
Basilosaurus, that name means King Lizard.
125
00:10:00,580 --> 00:10:05,916
When these fossils were found in 1832,
they were thought to be giant reptiles.
126
00:10:06,085 --> 00:10:08,076
But this is a primitive whale.
127
00:10:08,254 --> 00:10:11,781
Here's an artist's impression from around 1960.
128
00:10:11,958 --> 00:10:15,724
As you can see, they thought
Basilosaurus were reptilian, too,
129
00:10:15,895 --> 00:10:20,059
just like sea serpents
or even the Loch Ness Monster.
130
00:10:20,233 --> 00:10:24,101
And this skull is what's chilling to me.
131
00:10:24,270 --> 00:10:27,467
There's no whales with skulls like this
in modern times.
132
00:10:28,141 --> 00:10:31,702
Great peg-like teeth at the front for seizing prey.
133
00:10:31,878 --> 00:10:36,440
Once in the mouth, the prey is sliced up
by these big teeth at the back,
134
00:10:36,616 --> 00:10:38,311
great big cusps at the top.
135
00:10:38,484 --> 00:10:40,952
They are for slicing through flesh.
136
00:10:41,120 --> 00:10:45,022
This is by far the biggest predator
in the Eocene seas.
137
00:10:45,325 --> 00:10:47,122
Drop the anchor.
138
00:10:49,796 --> 00:10:51,661
But how on Earth do we find one?
139
00:10:52,565 --> 00:10:56,467
The configuration of the bones
in the fossil skulls of Basilosaurus
140
00:10:56,636 --> 00:10:59,662
is really good evidence that they can hear well.
141
00:10:59,839 --> 00:11:04,401
Modern whales are so noisy,
and we hope that Basilosaurus is the same.
142
00:11:04,577 --> 00:11:09,514
We've got underwater recording equipment,
and if we can eavesdrop on them
143
00:11:09,682 --> 00:11:12,378
we should be able to locate the whales.
144
00:11:12,986 --> 00:11:15,113
Fingers crossed on this one.
145
00:11:20,293 --> 00:11:22,284
(SILENCE)
146
00:11:33,906 --> 00:11:37,307
Nothing, it's just shrimps and fish,
no whales there.
147
00:11:37,477 --> 00:11:39,274
Nothing there.
148
00:11:39,445 --> 00:11:41,242
Move off somewhere else.
149
00:12:03,169 --> 00:12:04,830
Nigel.
150
00:12:06,072 --> 00:12:08,267
I think we've got something.
151
00:12:10,943 --> 00:12:16,404
That is spooky. It's definitely a whale.
Maybe we've found Basilosaurus.
152
00:12:16,582 --> 00:12:19,380
(GHOSTLY CRIES)
153
00:12:31,097 --> 00:12:33,588
(MOURNFUL CALLING)
154
00:12:36,002 --> 00:12:38,971
The whale's still in the vicinity, but where?
155
00:12:39,138 --> 00:12:43,006
Sound travels much further and faster
in water than in air
156
00:12:43,176 --> 00:12:44,734
and he could be miles away.
157
00:12:44,911 --> 00:12:47,744
What we need to do is try to entice him to us.
158
00:12:47,914 --> 00:12:51,782
That eerie sound you're hearing,
that's what we recorded earlier.
159
00:12:51,951 --> 00:12:56,217
We're playing his calls into the ocean
with a massive speaker.
160
00:12:56,389 --> 00:13:01,952
Hopefully, he'll think there's another
whale in his territory and come to us.
161
00:13:05,298 --> 00:13:09,257
Scientists have tried this
with modern whales with mixed success.
162
00:13:09,435 --> 00:13:13,804
But it was the best hope we had
of bringing in a Basilosaurus.
163
00:13:15,575 --> 00:13:17,566
Getting louder.
164
00:13:18,611 --> 00:13:20,602
(TRILLING AND SHRIEKING)
165
00:13:37,029 --> 00:13:38,462
(SHOUTING)
166
00:13:39,265 --> 00:13:43,065
We don't know how long these animals
have been hanging around.
167
00:13:43,236 --> 00:13:45,534
We've got to be fast on this one.
168
00:13:54,046 --> 00:13:56,913
I had no idea what I'd find.
169
00:14:03,089 --> 00:14:08,254
This is exciting. It could come from
anywhere beneath me. Behind me.
170
00:14:08,427 --> 00:14:10,827
So I'm using the boat as a shield.
171
00:14:11,297 --> 00:14:16,826
This big shape, it's as though there's
a really massive super-predator around,
172
00:14:17,003 --> 00:14:19,096
so they won't come in too close.
173
00:14:19,272 --> 00:14:22,673
They haven't got as big a brain
as the modern whales,
174
00:14:22,842 --> 00:14:26,039
so they may treat a person as prey.
175
00:14:33,986 --> 00:14:35,749
Ah, wow!
176
00:14:35,922 --> 00:14:41,189
And there it was. The long, streamlined shape -
this had to be Basilosaurus.
177
00:14:41,360 --> 00:14:44,693
It was nothing like the sea serpent
of early drawings.
178
00:14:44,864 --> 00:14:48,129
It was a whale, but unlike any I'd seen before.
179
00:14:48,301 --> 00:14:51,737
No blubber.
In this warm water it didn't need it.
180
00:14:51,904 --> 00:14:55,635
It looked for all the world
like a whale on diet pills.
181
00:14:55,808 --> 00:14:57,799
And look at this thing.
182
00:14:58,010 --> 00:15:01,776
Compare it with the boat,
that gives a great idea of scale.
183
00:15:01,948 --> 00:15:07,409
And he's over half the length
of this 80-foot boat. 50 feet or so.
184
00:15:07,587 --> 00:15:10,488
And this really is a fearsome predator.
185
00:15:11,290 --> 00:15:16,660
I'm glad I'm next to the boat. I wouldn't
fancy being in open water with this one.
186
00:15:16,829 --> 00:15:18,228
(EERIE CALLING)
187
00:15:18,397 --> 00:15:21,764
I wish the sound technician
would turn this off.
188
00:15:21,934 --> 00:15:26,735
It's really starting to distress
the whale. He's coming in close.
189
00:15:26,906 --> 00:15:28,897
(DEEP GROWLING CLICKING)
190
00:15:30,376 --> 00:15:32,367
Ah!
191
00:15:40,253 --> 00:15:42,187
He's bitten the speaker off.
192
00:15:42,355 --> 00:15:46,291
He's shaking it like a terrier shaking a rat.
193
00:15:47,893 --> 00:15:51,158
So we've lost our speaker, but it doesn't matter.
194
00:15:51,330 --> 00:15:55,664
We had a really brilliant view of a Basilosaurus.
195
00:15:57,336 --> 00:16:01,067
This, though, is a world
on the verge of great change.
196
00:16:01,240 --> 00:16:04,676
Africa is moving north
towards Asia and Europe,
197
00:16:04,844 --> 00:16:08,405
causing this ancient seaway to disappear.
198
00:16:08,581 --> 00:16:12,142
Basilosaurus will disappear with it.
199
00:16:13,986 --> 00:16:16,978
Next in store is the Pliocene,
200
00:16:17,156 --> 00:16:22,150
the time when our earliest ancestors
were starting to walk upright.
201
00:16:22,328 --> 00:16:27,288
It's surprising what lived in our seas
just four million years ago.
202
00:16:37,543 --> 00:16:41,343
We're in Peru,
right on the rim of the Pacific Ocean.
203
00:16:41,514 --> 00:16:46,042
And living out there,
there's something terrifying.
204
00:16:46,919 --> 00:16:48,750
So if you're afraid of sharks,
205
00:16:48,921 --> 00:16:53,620
you'll be a gibbering wreck when you see
what we're gonna try next.
206
00:16:55,695 --> 00:17:00,462
Look. The most famous jaws in history,
a Great White Shark's.
207
00:17:00,633 --> 00:17:03,067
I've swum with those in the open ocean,
208
00:17:03,235 --> 00:17:08,867
but they're minnows in comparison to
the prehistoric shark I'm hoping to meet.
209
00:17:09,041 --> 00:17:13,671
Megalodon. The biggest carnivorous fish
that's ever lived.
210
00:17:13,846 --> 00:17:17,907
That name Megalodon, what it means,
it means Big Tooth.
211
00:17:18,084 --> 00:17:21,110
And I don't think I need to explain why.
212
00:17:30,096 --> 00:17:34,430
By hunting a Megalodon, we were getting
into ever more dangerous waters,
213
00:17:34,600 --> 00:17:38,195
and caution had started to creep in
amongst the crew.
214
00:17:38,371 --> 00:17:41,340
There was disagreement
about our course of action.
215
00:17:41,507 --> 00:17:45,739
I think we should head out into the deep
water. Let's look for the adults.
216
00:17:45,911 --> 00:17:50,405
- No. We should start with the juveniles.
- We haven't got time to do that.
217
00:17:50,583 --> 00:17:53,074
We should go for the smaller ones.
218
00:17:53,252 --> 00:17:55,743
We couldn't say how Megalodon would behave.
219
00:17:55,921 --> 00:17:59,288
Some argued
that it would be worth studying juveniles,
220
00:17:59,458 --> 00:18:02,018
before risking a dive with an adult.
221
00:18:02,828 --> 00:18:05,262
In the end I had to agree.
222
00:18:05,431 --> 00:18:07,456
I'll do one dive with the juveniles,
223
00:18:07,633 --> 00:18:12,866
and then I think we ought to head out
into the drop-off and find the adults.
224
00:18:13,539 --> 00:18:17,100
With sharks,
it's all about diving in the right place.
225
00:18:17,276 --> 00:18:18,709
Like young Great Whites,
226
00:18:18,878 --> 00:18:23,110
juvenile Megalodon tend to be
in shallow water, away from the adults.
227
00:18:23,282 --> 00:18:28,015
Partly for their own safety,
but also they do prey on different things.
228
00:18:28,187 --> 00:18:31,350
There shouldn't be any adults on this dive.
229
00:18:38,297 --> 00:18:42,393
I'm hugging the kelp.
I don't want to be caught in open water.
230
00:18:42,568 --> 00:18:46,629
Big predators don't like
going into dense weed like this.
231
00:18:46,806 --> 00:18:51,334
I'm hoping to find the creatures
that juvenile Megalodon prey on,
232
00:18:51,510 --> 00:18:54,411
and they are the oddest of creatures.
233
00:18:58,050 --> 00:19:00,450
There! Odobenocetops leptodon.
234
00:19:01,387 --> 00:19:04,288
That name is a mix of Greek and Latin.
235
00:19:04,457 --> 00:19:07,722
It means ''the whale that walks on its teeth''.
236
00:19:07,893 --> 00:19:10,521
If it turns towards us, you can see why.
237
00:19:10,696 --> 00:19:12,596
One tusk is about a foot long,
238
00:19:12,765 --> 00:19:17,202
but on the other side,
the right-hand side, it's three feet long.
239
00:19:17,369 --> 00:19:23,205
The males probably use those for jousting
with each other in the breeding season,
240
00:19:23,709 --> 00:19:26,041
just like narwhals.
241
00:19:26,212 --> 00:19:28,646
They are superb!
242
00:19:29,482 --> 00:19:31,473
Flippin' heck, look!
243
00:19:49,969 --> 00:19:52,301
I can't take my eyes off that.
244
00:19:52,471 --> 00:19:56,635
The biggest Great White Shark ever
was just over 20 feet long.
245
00:19:56,809 --> 00:20:02,179
That thing must be just three years old
and that's that size already!
246
00:20:03,148 --> 00:20:06,208
Just imagine diving
with a full-grown Megalodon,
247
00:20:06,385 --> 00:20:08,979
20 times the weight of this one.
248
00:20:09,154 --> 00:20:11,884
What had I let myself in for?
249
00:20:14,960 --> 00:20:19,897
We'd seen a juvenile Megalodon,
but we hadn't yet learned much about them.
250
00:20:20,065 --> 00:20:23,694
I specifically wanted to see how they hunted.
251
00:20:23,869 --> 00:20:26,599
We couldn't just wait for an attack.
252
00:20:26,772 --> 00:20:28,763
We needed to make it happen.
253
00:20:33,646 --> 00:20:36,444
This Odobenocetops wouldn't fool you or me,
254
00:20:36,615 --> 00:20:39,709
but as a decoy it will fool
the juvenile Megalodons.
255
00:20:39,885 --> 00:20:43,582
If they're like Great Whites,
when they see this in silhouette,
256
00:20:43,756 --> 00:20:49,490
they should come up to investigate and it
will enable us to learn more about them.
257
00:20:55,501 --> 00:20:58,868
Our dummy didn't swim
as well as an Odobenocetops,
258
00:20:59,038 --> 00:21:02,906
but the young sharks
didn't seem to be put off by that.
259
00:21:03,075 --> 00:21:07,978
After just 15 minutes, our onboard camera
got the shock of its life.
260
00:21:21,060 --> 00:21:24,325
Look what's happened to the decoy.
Did it hit from below?
261
00:21:24,496 --> 00:21:27,727
- Straight up from underneath.
- See the damage.
262
00:21:27,900 --> 00:21:32,337
Megalodon has one of the same hunting
techniques as Great White Sharks.
263
00:21:32,504 --> 00:21:35,029
They can't afford to be injured by their prey.
264
00:21:35,207 --> 00:21:37,767
They sneak up from below and attack.
265
00:21:37,943 --> 00:21:41,606
The power of that big fish,
look what it's done to this decoy.
266
00:21:41,780 --> 00:21:45,443
This is weaker than a real animal,
real sinew and muscle,
267
00:21:45,618 --> 00:21:47,745
so that's why it's smashed it in two.
268
00:21:47,920 --> 00:21:51,549
But if this was a real animal,
it would bleed to death.
269
00:21:51,724 --> 00:21:56,821
The shark would come in when it was weak
and then make the final coup de gr�ce.
270
00:21:58,130 --> 00:22:01,224
Megalodon are probably relatives
of Great Whites,
271
00:22:01,400 --> 00:22:06,428
and we now knew that the juveniles
attack their prey in a very similar way.
272
00:22:06,605 --> 00:22:08,903
But what about the adults?
273
00:22:09,074 --> 00:22:11,235
How did they hunt?
274
00:22:11,410 --> 00:22:15,005
And what does a shark
over 50 feet long prey on?
275
00:22:16,415 --> 00:22:20,852
Leaving the juveniles behind,
we took our boat a few miles offshore.
276
00:22:21,020 --> 00:22:23,887
It was time to meet a monster.
277
00:22:36,468 --> 00:22:38,459
Drop the anchor.
278
00:22:39,772 --> 00:22:44,232
Anyone who's tried to get close to sharks
knows this eye-watering stench -
279
00:22:44,410 --> 00:22:49,245
the smell of chum. That's a mix
of fish blood, fish oil, bits of fish pieces.
280
00:22:49,415 --> 00:22:51,440
We throw that over the side.
281
00:22:51,617 --> 00:22:55,109
A trail of odor will go for miles in the current.
282
00:22:55,287 --> 00:22:58,848
A Magalodon will smell that
and zigzag towards the boat.
283
00:22:59,024 --> 00:23:04,929
We've got this amazing delicacy for it,
a great big bag of fish chunks.
284
00:23:05,097 --> 00:23:07,361
And that should entice it.
285
00:23:07,566 --> 00:23:12,060
And if they do come,
what we've got here is Shark Cam.
286
00:23:12,237 --> 00:23:17,265
There's a camera in this. We want an insight
into the world of the Megalodon.
287
00:23:17,443 --> 00:23:22,312
I've got to get close enough to attach it
to the base of the massive dorsal fin.
288
00:23:22,481 --> 00:23:25,348
This will dissolve in a couple of days.
289
00:23:25,517 --> 00:23:27,849
The camera will pop up to the surface.
290
00:23:28,020 --> 00:23:33,686
We'll find it and get some insight
into the behavior of the wild Megalodon.
291
00:24:02,321 --> 00:24:04,949
There's something to the left over there.
292
00:24:05,124 --> 00:24:08,218
- Are you sure?
- Yeah, I'm pretty certain.
293
00:24:13,866 --> 00:24:17,529
Look at that! It can't be anything else
but an adult Megalodon.
294
00:24:17,703 --> 00:24:22,140
It's more like a sail than a fin.
Now we get the cage into the water.
295
00:24:42,628 --> 00:24:48,260
You can see the blood and the fish oil
leaking out of the chum bag.
296
00:24:49,168 --> 00:24:53,502
I need to be prepared with the camera.
We may only get one chance.
297
00:24:53,672 --> 00:24:57,608
Who knows how long
the Megalodon's gonna hang around?
298
00:25:03,549 --> 00:25:05,540
This is scary. I'm scared.
299
00:25:14,560 --> 00:25:17,120
It's coming straight for the cage.
300
00:25:22,301 --> 00:25:24,292
Oh, look at that!
301
00:25:57,736 --> 00:26:00,068
Nothing prepares you for this.
302
00:26:02,841 --> 00:26:07,335
I feel like just shooting to the surface
and getting out of this cage.
303
00:26:07,512 --> 00:26:10,504
But I've got to pull myself together.
304
00:26:17,155 --> 00:26:20,591
I must admit I am really, really scared of this.
305
00:26:30,168 --> 00:26:35,128
He looks like he's taking a pass now
where he's gonna be really close.
306
00:26:35,607 --> 00:26:38,872
Let's see
whether I can get the shark cam on.
307
00:26:40,812 --> 00:26:43,906
Argh! Missed that time.
308
00:26:52,791 --> 00:26:55,624
I've got to get the camera onto the fin.
309
00:27:04,636 --> 00:27:06,627
Argh!
310
00:27:11,710 --> 00:27:14,702
This is hopeless.
This is harder than I thought.
311
00:27:14,880 --> 00:27:16,871
The fin is just too high.
312
00:27:21,787 --> 00:27:24,517
And he's coming straight at the cage.
313
00:27:56,121 --> 00:28:01,320
I can't attach the camera from the cage,
so we'll try from this platform.
314
00:28:01,493 --> 00:28:05,361
The chum ball, don't put it over
the side. Keep your eye on the shark.
315
00:28:05,530 --> 00:28:09,967
See if you can get it in a line
along here, please, and I'll be ready.
27296
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