Original subtitles

Tonight on The Curse of Oak Island...

I got a signal! Look at that.

- Yeah. - Isn't that amazing?

This I would actually date mid-1700s to late 1700s.

- That could be pre-searcher? - This could be pre-searcher.

It demonstrates wealth, nobility.

- Wow. - Some prominent person was

on Oak Island pre-Money Pit.

- Yeah. - That's great.

- Where's the gold? - Whoa!

We could've just pierced the tunnel or chamber.

It could be a treasure vault.

There is an island in the North Atlantic

where people have been looking for

an incredible treasure for more than 200 years.

So far, they have found a stone slab

with strange symbols carved into it,

man-made workings that date to medieval times,

and a lead cross whose origin may be connected

to the Knights Templar.

To date, six men have died

trying to solve the mystery.

And according to legend, one more will have to die

before the treasure can be found.

A bright new morning has dawned on Oak Island.

It's settling down again.

That's not good.

But in the Money Pit area...

- That side again. - This is really bad.

A chilling crisis has developed

for brothers Rick

and Marty Lagina and their team.

It's just f-falling in. I got this side coming up.

I think we need to redo this pad and compact it around it.

All right. Here's what I think happened.

This casing was at 160 feet. Plus or minus.

Simultaneously,

all kinds of collapse occurred around the top of this casing.

- That's right. - In a rather scary fashion.

One day ago,

after representatives from ROC Equipment and SB Canada

excavated a seven-foot diameter steel shaft

known as True Believer One down to a depth

of 160 feet...

- That ain't good. - Hey, stop. It's caving.

The earth surrounding the steel caissons

suddenly began to cave in.

We're caving.

This has caused the team

to halt the excavation

and backfill tons of soil and gravel around the shaft

in the hopes of preventing a catastrophic collapse.

Now I'm gonna stray into what I think it means.

For something to fall,

it has to fall into a void of some sort.

It can't fall into solid rock. It can't fall into clay.

One more thing, though.

- Go ahead. Yes. - Remember what Vanessa said.

Remember she said they were keeping an eye on the can

and they didn't think things were coming in?

Meaning, it wasn't creating its own void.

No. We probably removed

whatever is the sort of natural seal there and I think

all that material collapsed all the way down the hole.

- Yeah. - If there was still a tunnel or chamber down there,

we could've just pierced the roof of it.

- Well, that's a good point. - Possibly.

- Yeah. - I guess it could be the treasure vault.

- Yeah. - We could have collapsed into that, I suppose.

When the cave-in began

as the TB-1 shaft approached a depth of 160 feet,

the team was anxiously hoping

that it would encounter the fabled Chappell Vault:

a seven-foot-tall, concrete-encased wooden chest

that treasure hunters Frederick Blair

and William Chappell reportedly drilled into

at a depth of 153 feet back in 1897.

Curiously, this is the same area

where recent ground water testing has revealed

high-trace evidence of gold, silver and other metals.

However, this is also where previous searchers have

constructed tunnels and shafts during the past two centuries,

which have left various voids

and decayed structures deep underground.

I think it's gonna be either original works

or some undocumented searcher shaft or tunnel.

Or treasure.

Now, it is the team's hope

that ROC and SB Canada can stabilize the area

and keep digging

to determine whether the team has simply

penetrated an abandoned searcher structure

or a vault that contains the treasure

people have been trying to unearth since 1795.

The collapse feature in this area could represent

a variety of different things.

It might suggest a chamber, a void or a tunnel.

Sure, that's exciting and interesting.

But paramount importance, again, priority number one is

to keep everyone safe and address the situation

and hopefully continue to advance the can.

- Here comes Vanessa. - What happened?

- Where can I get water? - We can get you water.

Okay.

Yeah. We want to introduce water,

get some more hydrostatic can pressure in there,

um, 'cause it's getting tight on us.

So...

How much water? What do you need?

I would like to fill up my can all the way,

so I need to fill 50 feet.

- Seven-foot diameter. - We'll get you water.

Okay.

In an attempt to prevent further collapsing

around and beneath the TB-1 shaft,

the team will fill it with thousands of gallons of water.

This will help stabilize the shaft and voids beneath it,

allowing the 18-and-a-half-ton hammer grab to remove

more spoils and hopefully valuables from deep below.

We're in a void underground that we're unfamiliar with.

It could be a vault, meaning potentially treasure.

That could be the mystery. That could be where it is.

Some pretty good reasons to keep trying.

So we're gonna pull out the decks.

It's gonna take us a little time,

level everything, add some water to the can

- and then re-go at it. - Okay. - Okay.

- Okay? - Cool.

Well, what did we know at the beginning of the year?

- We'd have surprises. - Yeah.

- Well, we just got one. - Yeah.

- And a hell of a lot of work. - Yes. There's all kinds

of potential difficulties to work through.

Everyone that came before us had problems.

I don't know. I'm-I'm not super optimistic

that we won't have any further issues, but maybe I'm wrong.

I actually think we will finish this hole.

- Yeah. - I mean, it's a best guess at this point, but...

- We definitely don't want to give up. - No.

We've got a lot to look forward to.

- To look down to. - Yeah.

- We can figure it out. - Yeah.

As the efforts to locate

a fabled treasure vault continue in the Money Pit area...

- Morning. - Hey, guys. How are you?

Hanging in there. Ready for some big revelations.

Well, this could be the spot to find some.

The Laginas and Gary join

Craig Tester,

fellow Oak Island landowner Tom Nolan

and other members of the team

in the northern region of the swamp.

Rick's been wanting to dig this, I don't know, forever.

15 years or so.

It is here

where they are searching for caches of valuables

that may lie hidden outside of the Money Pit area.

The thing about this place is, it's all about your dad, to me.

- Yep. - You know, he believed

that there was something here to find.

So let's get out in the machine, let's position it,

- and let's get to it. - Yep. Let's dig.

I want to get dirty.

In 1969,

legendary treasure hunter Fred Nolan

drained the swamp and was shocked to discover

pieces of large sailing vessels.

He also found 16th-century wooden survey stakes.

Tools that Fred believed

had been used to create the brackish bog

in order to hide numerous caches of valuables.

Seems to be quite a few more rocks

at least right in through here.

Incredibly, several weeks ago

after uncovering a cobblestone pathway,

and a number of additional survey stakes

in the northern region of the swamp,

the team discovered

an empty vault-like structure made of brick and slate.

This is gonna have some real answers.

I really believe that.

Now, along with Fred's son Tom,

Rick, Marty and Craig are searching

several yards to the north.

It is their hope that they will uncover

similar hidden structures

that will prove Fred's theory to be true.

If we find another of these vaults,

we can only assume something was hidden here.

And hopefully,

whatever was once here is still here.

- I got a signal! - Want to shut them down, Tom?

Let me see if it's close to the surface.

I'll try to pinpoint it first, Marty.

All right. Okay. Fine.

See if I can save you some digging.

Yeah.

It's there.

It went right into dry stuff. That's not it, is it?

That was brick.

You see that bit of brick in the hole there?

Right there?

A piece of brick?

Buried in the northern region of the swamp?

Could the team have discovered evidence

that an important structure or vault is hidden nearby?

Yeah. I'll put it in my pocket.

It just goes to show we're not missing anything there.

I'd say exactly that.

Yep.

The swamp has always been a mystery.

That's the nature of the swamp on Oak Island.

But by digging in this new area, we're hoping to find clues

to what happened here.

We have to follow the clues.

Hey!

What's that?

I'm coming in, Alan.

Ooh! Look at that.

This is impressive.

Look at that!

A really nice-looking sharpened stake.

Isn't that amazing?

It just looks like the day it went in the ground.

Yeah. That's hand-hewn, wasn't it?

Yeah.

This is impressive.

In the northern region

of the Oak Island swamp...

Here's another one right here.

Rick and Marty Lagina

and members of the team have just discovered

two more hand-cut wooden survey stakes.

What is that?

Two stakes.

Now the question is,

could they be clues to validate Fred Nolan's theory

that hidden valuables might also be found in this area?

Are these the first ones that have been found on this side?

No.

Years ago, we found two or three closer to the, to the road.

But this is the first ones

I know of that were found this deep

into the swamp on this side.

I think, Steve should come out and GPS this

because then he can see

if there's continuity here or something different.

- Yeah. - Okay.

I'm pretty sure he's coming out right now.

The plan for the swamp of course,

is to follow the line of survey stakes.

But the hope is that as we follow these clues,

they will lead to some greater understanding

of what might be here in the bog.

- Hey, Steve. - Hey, guys.

What I'm gonna do is I'm gonna hop down

and I'll grab the areas of the two exact locations

- of those stakes. - Okay.

Steve, you want to hop down and pin this?

Sure do.

Here you go, mate. Check out this wood.

Let's see that top one.

I don't know why two are together. That's odd.

That's not the pattern we've seen.

So this line of survey stakes projects to an area

where we have found all of those wooden stakes.

- Nice. - Yep.

I mean, that's perfectly on line, almost,

- so I would keep following them. - Yep.

I'm not surprised at all when Steve asserts

that the stakes line up with previous stakes

that have been found in the bog.

This took some time and some effort to lay out this line.

Maybe this line has another purpose

and relates to another, as of yet,

unknown discovery.

So, what I'll do is to continue

to confirm the line as far as I can walk.

Okay. Thanks, Steve.

Thanks, Steve.

- Good. Let's dig. - Look at that.

There's a bunch of cobble here.

I don't know if you can see it or not.

It's just right here and it's going that way.

Yeah.

More cobblestones?

Found near the hand-hewn survey stakes?

Is it possible that the team has, indeed,

uncovered another section of the cobblestone pathway?

If so, could it lead the team to a vault that still contains

something of incredible value?

It's almost like they're stacked. Right?

- That's a Spooner question. - Yep.

That's a Spooner question.

There certainly appears to be

a structure in the north end of the bog, so I want

Dr. Spooner to come and render an opinion about

whether or not it is a man-made structure.

It looks stacked, but I don't know.

We have to follow this. There's no question about it.

Yeah.

I want to keep digging.

Okay.

- Let's keep digging. - Yep.

The following morning,

as the team from ROC Equipment works

to stabilize the ground

around the TB-1 caisson...

We have in front of us several things that,

hopefully, will make us true believers,

because they came out of TB-1, True Believer One.

Marty Lagina,

Craig Tester and other members of the team

join archaeologist Laird Niven

and archaeometallurgist Emma Culligan

in the Oak Island Lab.

And we have four of them right here.

They are eager to hear Laird and Emma's

scientific analysis

of several nails that were recently unearthed

from more than 100 feet deep in the TB-1 shaft.

I'll turn it over to Emma.

Based on the composition and the X-ray characteristics,

the first three nails

I would put comfortably within early to mid-1800s.

And there is a potential that it could be late 1700s.

Okay.

The last nail I would actually date older,

and based on its X-ray behavior,

possibly within mid-1700s to late 1700s.

If you had to opine, these three are searcher

and that one might be pre-searcher?

So I'd say this has the most possibility

of being pre-searcher.

- Yeah. - Yeah.

Because more than a dozen searcher companies

have constructed shafts over the past two centuries

in the area where the team is currently excavating TB-1,

it is not surprising that some artifacts will date

to after the discovery of the Money Pit.

However, could the team have also found a nail

that was used by whomever buried the fabled Chappell Vault?

Compositionally, they're all fairly similar.

Could that mean that they are closer than ever

to potentially recovering it?

Thanks, Emma.

You know, we're getting a lot of information.

And we brought this stuff up, so what's sitting down below

in the loose clay area that could sink on down?

- Yeah. - Well, let's get back at it

and try to find something even better.

- Thank you. - Thank you.

- Thank you all. - Good luck!

Later that afternoon...

- Hi, Marty. - How deep are we?

They're making progress, slow but steady.

Marty Lagina returns to the Money Pit area

after being informed that the process

to stabilize the TB-1 caisson

appears to have been successful and the dig has now resumed.

We got, I'd say,

48 or 49 yards of crushed stone down in that hole.

Vanessa is coming in.

- Where's the gold? - Hey, gentlemen.

So, how are we doing?

Well, we're doing better. We're doing better.

So the water is definitely helping.

The water did its trick.

Yeah. The water is doing its thing.

We're dropping the tape down past my casing now.

So, um, right now my dig,

depth of hole is at 164 and six inches.

- No plug. - No plug.

The so-called "plug"

refers to the earth or spoils

contained inside of the steel caissons.

However, since Vanessa is reporting

that there is no plug within TB-1,

that means it and any potential man-made objects

have fallen to somewhere below.

He is dropping it down

and he's hitting something very hard all the way around.

We think it's rock.

You sure there's not a cave or a cavity?

Pretty sure there is.

This must be the solution channel.

Yeah. If we're on a ledge, then we got a hole.

The solution cavity or solution channel,

we believe it's natural,

and it underlies a good bit of this.

So you're on the edge.

That's why your plug is going down.

So we could have collapsed into that I suppose.

During previous core-drilling operations

in the Money Pit area,

the team has repeatedly encountered

a large, natural cavity that was created

by flowing groundwater in the bedrock,

known as the "solution channel"

between 160 and 180 feet underground.

If Marty and Terry are correct that TB-1 has

now entered the solution channel,

could that explain what caused the earth

to collapse around the shaft?

And if so,

could that also mean

that the fabled Chappell Vault has fallen into it?

This hole, TB-1, goes

to the bottom of that solution channel.

That could be the answer. That could be where

this treasure resides at this point.

So we need to get down in that solution channel.

As we break through this shelf in the bedrock,

we hope to get into the area

where the treasure might have fallen to

in the relatively soft material.

Yes. And we're about ready to stack another can

and we're gonna add some more water and, keep going down.

Okay.

All right. Thank you, Vanessa.

I'll keep my fingers crossed.

There she goes! Let's oscillate.

While excavation of the TB-1 shaft

continues in the Money Pit area...

It's going down pretty good.

There you go!

I think, Al, we'll take it down a little more here,

where there's topsoil there.

Okay.

Oak Island landowner

Tom Nolan,

and other members of the team are continuing

to investigate an area

where just one day ago they found

large survey stakes...

Yeah, that's great.

As well as what appears to be

a layer of possibly stacked cobblestones.

Come on, artifacts.

I know you're here.

- Whoa! - Whoa, whoa!

Whoa!

Now I'm seeing this cobble's all through here.

Is it me or does this look like the stone path?

Yeah. It certainly does.

There's a very clear line.

You can see the edge of the rocks and before

- you're into that sea horizon right here. - Yeah.

I noticed there was all these small stones.

Some looked like beach stone,

which are out of place in the swamp.

All put tightly together,

very similar to the stone path on the south side of the bog.

And it seemed to have some sort of shape.

We've got a defined path.

Yeah, it's-it's very linear.

So it shows that there was more work, more effort

put into this area for some reason.

It begins to make you wonder,

is it searcher or is it depositor?

I'm gonna call Dr. Spooner and Laird

and get them to come and have a look at this.

Yeah, I think we should

because, I mean, they've looked at the other ones,

so we'll see what they think of it.

Yeah.

They really should have a look.

- Yeah. - Yeah.

Later that day...

We're trying to cut through this stuff.

So, hopefully, we're through the rock soon.

All right. Well, I'll go back to the station.

Looks like you've got it handled here.

In the Money Pit area,

the seven-foot-diameter steel shaft known as TB-1

is approaching a depth of nearly 170 feet

and has reached the so-called solution channel:

a massive natural void in the bedrock

where the team hopes to encounter

the fabled Chappell Vault.

He's gonna drag it around.

Yeah, but not before I grab this.

Right.

I got to see if this floats.

Yeah. That's the first piece of wood

I've seen in the last few scoops.

- Yeah, this could be old. - Yep, could be.

All right. Good eye.

Our mentor, Dan Blankenship always believed that,

if you retrieve wood from depth and it sank, it was older wood.

If it floats, it's modern.

That sinks.

If the team has, indeed,

recovered a piece of wood

nearly 170 feet deep that might predate

the discovery of the Money Pit,

could it be a clue

that the treasure vault is now also within their reach?

A piece of wood came out of that last scoop.

- Just tested it... - Just what we were hoping for.

Just tested it and it doesn't float.

It does not?

It does not float.

That's what we're looking for.

Yeah. It could be what we're looking for.

Look at the growth rings.

- That's also real good. - That-that would be

near the center of the tree, I would think.

We get down to depth

of about 170 feet and we find a piece of wood.

And I feel that this piece of wood is

deep enough it could only be depositor.

If this was depositor, we could've found

what the Chappell-era searchers believed to be

the treasure vault.

Hey, Terry, I've got some new numbers for you.

Great. Thank you.

Depth of hole is 168 and six inches.

And our casing just broke through 171.

171 at the teeth.

So this came out of the last scoop.

That came from 168.

What does this wood mean to you?

If we found a bunch of it, remember,

nobody was down to 168.

- Nobody. - Okay.

So if we start finding a bunch of this,

we'd start to get pretty excited.

Awesome.

All right. We'll keep digging.

Sounds good.

As the excavation

of TB-1 continues in the Money Pit area...

later that afternoon...

- Gentlemen. - Hi, guys.

In the war room,

Marty Lagina,

Craig Tester and other members

of the Oak Island team meet

via video conference with renowned

gemologist Jeffrey Bilgore

and John W. Ford Sr.,

the CEO of the American Gem Trade Association.

Welcome to the war room.

Well, thank you.

No way.

Wow!

John and Jeffrey have analyzed

a glass gemstone

that the team found two weeks ago

near the mysterious rounded foundation on Lot 5.

A foundation where the team has

not only uncovered

man-made mortar that matches soils

from more than 100 feet deep in the Money Pit area

but where they have found

a number of believed mid-18th century artifacts

including this rare glass gemstone.

Have you seen other stones like this?

Yeah, I've seen other stones like this.

But what is significant is the fact

that it was found on an island in Nova Scotia.

So it's very interesting

because the origin of the crystal is

European in nature.

It could be from England, France,

Spain, Portugal or Italy.

The research shows it could have been made

somewhere between 1730 and 1775.

Okay.

That's what Laird and Emma also thought.

What would be more traditional to use for something like this?

It could've been from an object of adornment,

sewn onto a heavy fabric.

An ornamental type of a coat.

Certainly, the size

and the purity of the material is unusual.

This is the size of, you know,

an eight to ten-karat sapphire, eight-karat diamond.

But it's definitely a simulant to look like a diamond.

To look like you have something of great value.

Okay.

So somebody really important was on Lot 5.

Somebody who mattered, yeah.

We've always thought

that even if the Money Pit is simpler than we think,

without any complex engineering,

it still would take a team of men to do that.

We always wondered where was the encampment?

Where were these people while they were doing this work?

Well, maybe Lot 5 is it.

This little gem does indicate

that somebody of means, wealth, influence,

was almost certainly on Lot 5 and on the island.

The fact that it had tin around the edges,

which is resistant to tarnishing,

is quite significant because tin would be

for more of a noble person.

So this is definitely not

something worn by the average person

in the 1700s.

This is more evidence that some

very prominent person was on Oak Island pre-Money Pit.

- Yeah. - Is there something else

that we haven't found yet

that this person of importance was watching over?

Who was it?

The fact that its singular large size

and the way it's, fastened and cut,

it demonstrates wealth, nobility,

part of a military medal, possibly.

That's great.

In the Oak Island war room,

gemology experts

John W. Ford Sr.

And Jeffrey Bilgore have

just given their assessment

that the glass jewel recovered

near the round feature on Lot 5

not only dates back to several decades

before the discovery of the Money Pit

but likely belonged to someone

of European nobility.

Because it was made of tin,

which is resistant to tarnishing,

it might be something that would be

on a naval officer, um, because of, being at sea and such.

Thinking about the dates and some of the theories,

Duc d'Anville was supposedly in the area in 1746,

so that fits in with the date of the jewel.

It is quite possible. Yeah.

There you go.

In 2017,

Oak Island historian Doug Crowell discovered

part of an 18th-century ship's log

detailing a vast treasure burial

in the vicinity of Oak Island.

The log was reportedly connected

to the crew of the Duc d'Anville...

a French nobleman and admiral

who led an unsuccessful attempt to reclaim

Nova Scotia from England in September of 1746.

It's always exciting to have little artifacts

that could potentially mean so much.

Is it possible

that the team has discovered a critical clue

of just who may have created the round feature on Lot 5?

And perhaps who left a mid-18th century nail

deep in the Money Pit area?

And lastly, might it answer the burning question

of just who buried the fabled Chappell Vault?

Those are intriguing thoughts.

I mean, it adds

just one more artifact that's saying

someone or a group of people of importance were

on Lot 5 and we got to figure out why.

And it also means that there could be a lot more out there

and it's not gonna find itself,

so we're gonna get back in the field.

- Thank you very much. - It's a pleasure.

We're happy to be involved.

- Thanks, guys. - See you later.

- Thank you. - Thanks, guys.

Later that afternoon...

as the excavation of TB-1 proceeds

in the Money Pit area...

There's more rock coming out.

We're mowing through.

Hey, guys.

- Hey, guys. - Hey, guys. How are you?

- How's it going? - Good.

Welcome to another big question mark.

Geoscientist Dr. Ian Spooner joins

other members of the team in the northern region

of the swamp.

What do you think?

There's a pretty clear, defined side over there

and the same over here.

It is the team's hope

that Dr. Spooner will be able to verify

that the cobblestone feature they uncovered one day ago is

part of a man-made pathway.

There was a couple of, sharpened stakes

found down there, right at the side of it.

- How big? - About this big.

The thing that always gets me interested in these features,

having looked at them for the last three years,

is that these big stones are

all of a size that could be handled by people.

This was their path.

It's kind of almost to the edge.

Again, we only have a small section of it uncovered.

On the south side, with the cobble path,

it was cleared archaeologically

so you could see the structure clearly.

Well, let's cut a section then.

Why not?

I'm fine with that.

I'm thinking of this as a really

targeted way to apply our archaeological resources

to the challenge of the swamp.

And we can, hopefully,

apply the results that we get

to any of these other features in the swamp.

All right. With that,

I'm actually gonna take the information I have

back to the research center

and see where it points to.

- Let us know what you come up with. - We will.

All right. Thanks, guys.

See you later.

The following morning...

I applaud everyone for having

real belief in the work in the swamp

that we have done to date.

Before heading back out

to the Money Pit area, Rick,

Marty, Craig

and other members of the team are meeting

with surveyor Steve Guptill in the war room.

I think the swamp is integral to understanding

this incredibly complex mystery

and it becomes more complex by the day.

After inputting

the new data regarding the wooden stakes

and various sections of the cobblestone pathway

that have been recently found in the swamp,

Steve has created a digital survey

that also includes other man-made features

the team has uncovered in the brackish bog

during the past several years.

Steve, I think it's up to you to explain

what we found and what it might mean.

Let's start with the survey lines.

I believe it was you who found on Fred's plans

a line of survey stakes.

This is probably 2018.

We dug this line here and we found three stakes.

- Yeah. That's right, yeah. - I remember.

- That's right. - Sure.

Then we go to yesterday.

I tagged three of these survey stakes.

As you can see, almost perfectly on that calculated line,

a straight line north and south.

These things were put down for a reason.

It is consistent with a surveying use.

100%.

Well, if they are reference points for something,

it's definitely some construction site.

So that segues well into the cobble path.

Here's the cobble we found yesterday.

There's the three stakes that we've surveyed

with that land on the survey line.

Right.

So project that back,

it looks like it relates to the cobble path.

That comes off the stone road and heads west.

The pathway seems to be connected

to everything that we find.

If we continue westward and northwestward,

we come into the Eye,

we come into this wooden platform we found this year.

Okay.

So another area that this projects to is

the cobble found next to the vault.

The cut slate with the bricks.

Really?

So at this stage,

it seems that all these features

are loosely connected in time

and that time period is,

from the late 1600s to the mid-1700s,

and that's well before the searchers

and in my opinion,

it wasn't farmers, it wasn't fishermen.

Based upon those dates,

it's similar to some of the dates we're getting

- from the Lot 5 feature. - Yeah. Yeah.

I'm thinking that there's a connection

to the Money Pit, to the swamp and Lot 5.

And that they were doing work around the whole island.

That's pretty cool.

In the Oak Island war room,

surveyor Steve Guptill has just presented the team

with data leading them to believe

that the cobblestone pathway,

which the team has unearthed

throughout the swamp could be connected,

not only to the various man-made features

they've discovered such as the empty vault-like structure

but might also have been created

to serve as a direct link between Lot 5 and the Money Pit.

I think this is good because when we first found

this cobble in our northern dig,

I suspected, okay, maybe this is the connection

between the, the cobble path and Lot 5.

- Yeah. - So we have

a pretty targeted area here where we can keep digging

and try to establish that connection.

If you were to project the line further to the northwest

it could go up to Lot 5.

Cool.

Could Steve's findings help

prove the team's previous suspicion

that the stone foundation on Lot 5 served

as a staging ground for an operation to hide

one or more treasure vaults in the Money Pit?

And perhaps also in the swamp?

I mean, at-at this point, I think we have

so many 1700 dates that...

if, whatever was going on

on Lot 5 was going on in the swamp

was whatever was going on in the Money Pit.

I mean, we just find the dates everywhere.

1600s, 1700s seem to be the most consistent date

we find island-wide.

And so whatever was going on on the island,

I think we can start to piece it together

that a major part of the construction

on Oak Island was 1680 to 1750.

- Yeah. - Yeah.

It is an enormous undertaking

if these cobble features are connected in time.

Obviously, there was an intent, there was a purpose,

and possibly an association

with the Duc d'Anville expedition,

but there's still a lot of puzzle to put together here.

So the work needs to continue.

There's now this belief,

and I hope it is a well and truly

an established belief at this point,

that it is literally an island-wide mystery.

And that's how we need

to look at this and we have to do

activities that are insular from each other,

meaning, the activities in the Money Pit,

the activities on Lot 5,

the activities on the eastern drumlin,

the activities in the bog,

at some point they will meld, they will come together.

Nice report, Steve. Well done.

Thanks, guys.

Now let's keep going.

Shortly after concluding their meeting...

I just don't know where it's going,

but it's going somewhere.

So I don't like now that it's going back under the crane.

Right?

This collapse is just not stopping.

Rick, Marty and Alex Lagina have

rushed back to the Money Pit area

after being alerted that the earth surrounding

the TB-1 shaft has once again

started to cave in.

Grab another scoop of dirt.

We need to try to get more in that back hole,

it's, like, three feet low on the back side.

The solution channel,

which underlies a good portion of this,

which is a natural cave-like structure,

- is more liquid than we thought. - How deep are we?

The dig actually went to 179.

The teeth are just above that,

so we're even digging below the teeth.

After first encountering evidence that TB-1 was

descending into a massive natural void or solution channel

at a depth of nearly 165 feet, the team has now discovered

that the cavity in the bedrock, which may also now contain

the fabled Chappell Vault, reaches depths

of more than 200 feet underground.

We're caving in constantly,

so they're getting concerned from a safety standpoint.

And even more concerning is

that it is causing the soils beneath the TB-1 shaft

and hundreds of tons of heavy equipment to give way.

Every, what, 30-40 minutes

we're stopping to try to mitigate the collapsing.

But now it's starting to creep back under the crane.

It's leading towards sudden collapse.

Yeah, we're gonna obliterate this place.

That's not good.

There will become a safety component if it gets

too far under the crane that we just call a stop.

In the Money Pit area,

the minor collapse of earth around the TB-1 shaft

that began earlier this week

has become increasingly more dangerous

as the caissons sink lower

into a massive natural cavity

more than 200 feet underground.

If we can't get this down and we're exacerbating a problem

that we really truly don't understand,

we need to be done here.

- Yep. - I say we call it.

Let's not try and advance the can anymore.

Okay. I hear the boys firing up the oscillator,

- so let me go tell them the plan. - Yeah.

- Yeah. - Okay.

- Thanks. - Thank you.

Although the team now suspects

that the fabled Chappell Vault may lie

somewhere down in the so-called solution channel...

- Hey, Gary! - Gary!

They are certain that it is now

too dangerous to pursue it

in the TB-1 shaft.

No treasure in the world is worth compromising

somebody's safety,

and like I said,

from every negative situation,

you'll learn something from it,

and we did learn some things from it.

Yeah.

I think we are all on board with one simple truth,

that the Chappell Vault... and I still believe it's here...

could have fallen to those depths

in the solution channel, and some of us didn't

necessarily believe that prior to putting this can down.

Right.

Our inability

to finish TB-1 leads me to the conclusion

that we may be

overlooking what happened to this treasure completely.

If the solution channel can accept a hundred yards of rock

and sand and gravel just like that in one day,

why couldn't it completely have taken in the treasure?

I never thought that was possible before.

That looks pretty good.

There is a void at great depth.

Is that where the treasure hides?

It's possible, but we still have room to maneuver here.

The location of the next cans will be important,

but I want to make sure

that we get down and we get back up safely.

So my hope is that Vanessa

and her team from ROC can stabilize the area,

and to continue the dig.

We're still true believers.

I'm hoping the next can we put down,

it'll be "you better believe it."

- Yeah. Exactly. - So maybe we should

get together in the war room and talk about a new plan.

That's a real good idea.

Sempre avanti.

In spite of a devastating setback,

Rick, Marty and their team remain determined

that they can and will solve this 230-year-old mystery.

Because even though the fabled riches

escaped their grasp,

the team has unearthed

more critical clues as to where they lie...

and perhaps who deposited them.

Can they devise a solution

that will lead them to the vault and the ultimate answers?

Only time, a bold new strategy

and digging will tell.

Next time on The Curse of Oak Island...

I think our next target is what we call Aladdin's cave.

All right, here we go.

It's a genie in a lamp

and all your wishes will be granted.

It looks like there's something here.

Wow.

Look at the head on that thing.

That could have easily come out of a treasure chest.

These teeth are ready to bite on some gold.

I love it.

I think we're breaking through the cave.

Agree.

We're hitting something, right?

This could be the most important

hammer grab in history.

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