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Tonight on
The Curse of Oak Island...

- I've got a signal!
- Ah-ha!

What have we got here?

I recognized this seal.

So, it could date to the 1300s.

That large boulder
looks intriguing.

We've uncovered
a big void right there.

What is
underneath that boulder?

We put cameras in BN-13.5.

What we found suggests

- human origin.
- It really seems like

- it's a depositor.
- Wow.

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.

This is
the critical intersection

- right here, guys.
- Yeah.

What we should see beneath
the Peacock is loose material.

Our targets are
the possible void at 148 feet,

and then the solution channel
below that. -Right.

A new day on Oak Island

brings fresh hope
for Rick and Marty Lagina

that their team is closing in
on the answers

to a 231-year-old
treasure mystery.

But really the end goal

is to get down
in the solution channel and see

if there's
a potential treasure there.

But I also believe that
we're close to a chamber here.

Right.

In a location

of the Money Pit area
known as the Peacock,

the team is drilling
borehole DN-13

just a few feet northwest
of borehole BN-13.5.

Whoa. Whoa, whoa, whoa.

It was there that,
one week ago,

the drill entered
a possible man-made cavern

some 150 feet deep, which sets

more than 20 feet
above the solution channel.

You can make out almost
a wall or something there.

When you move away from it,

we kind of go more
into an opening here.

After inserting a camera,

evidence was revealed
of a possible artificial wall...

- Show me the money.
- ...and a potential

- opening to a larger cavity.
- We've got an opening.

This made them wonder

if an offset
treasure chamber connected

to the original Money Pit
has been discovered.

Now, while the team waits
to view enhanced video images

of the mysterious void,

they hope to drill
into the larger nearby cavity

and confirm if it
indeed is a man-made chamber.

Oh, look.

Yeah, something's going on
over there.

Yeah. The rods fell.

They just dropped.

That's really soft, man.

Adam!

Here he comes.

Hey, Adam.

- How's it going?
- Good.

Did something happen?

Uh, the rods fell about 16 feet.

- Really?
- From 128.

- Wow.
- Wow. That's really interesting.

- Thanks a lot, Adam.
- All right.

That means
somewhere between 118 and 128,

- we went into the soft area.
- Right.

- Yeah. All the way to 144.
- Yeah. Wow.

So, the core of the Peacock,

I've always believed,
is going to be a structure.

Because of the loose soil,
when we see

those rods drop, that tells us

maybe we're close
to seeing the structure

that we all hoped
we're going to encounter.

We're going to track that down
into the solution channel.

You know, there's plenty
of places down there

for a treasure to hide.

No question.

We'll move on to the more
interesting levels. -Yeah.

As the core drilling
pushes deeper

in the Money Pit area...

That mound's getting
higher and higher.

Tell me about it.

...Rick Lagina

and other members of the team

continue investigating

the southwest corner
of the triangle-shaped swamp.

After this, I feel like
we only have one little section

- left behind us.
- Yeah.

In recent weeks,

the team has been uncovering
a mysterious stone

road-like feature

that may be connected
to a similar structure

that was found several yards
to the north earlier this year.

Curiously, eight-sided
wooden survey stakes were found

lining both of these features,

and the team also recovered
old ox shoes,

suggesting the roads
may have been used

to move heavy cargo
into the swamp.

- Get in there.
- Okay.

The southwest corner
is almost done.

What we did learn is

we have a possible path
or a road to follow.

And the hope is that
there'll be some artifacts

that can be dated.

And then,
maybe we can figure out

who made these features and why.

You ready for me
to go in, Billy?

Yes. Take the bottom there,

- Gary, maybe.
- Yup.

- It's getting quiet.
- It is.

We hadn't had a hit
in a while now.

This might be
the end of the line

for this area, I think.

Yeah, I think
you're right, Billy.

- And we hammered it.
- Everywhere we turn

in the swamp,
we're finding stakes,

and that must mean something.

- Yup. Has to.
- And my question is,

where are we going next?
Because I know that there are

- other areas of interest.
- Yeah.

Who are you, and what did you do
with Peter Fornetti?

Hey, the swamp is looking
like a beach right now.

Let's get back into it.

You have three data points that

seemingly line up.

An unknown road/path,

ox shoes,

then you have the stakes.

And who knows
what else is after that?

If there is a road,
where does it go?

Right now, Steve has
projected it to go towards

the north end of the bog.

So, now it gives us some insight
as to where to go next.

And that's every bit
as important as an artifact.

- Yeah.
- We've got to get back

to do some homework.
We need to talk to Tom Nolan

about where to go next.

So, I say we head back.

- Yeah. All right.
- Thanks, Billy.

Thanks, Billy.

- See you.
- See you, mate.

As the team works on new plans

for digging in the swamp...

...later that day...

I'm always grateful
to come into the lab.

I think we learn
so many things here.

And I'm impressed
by these two finds from Lot 8.

...in the Oak Island lab,

Rick and members of the team

join Laird Niven
and Emma Culligan

to hear a scientific report
on a possible iron knife handle

and a lead bag seal that were
found on Lot 8 one week ago.

The iron is kind of more
of the mysterious piece,

so we'll start there.

And you can see that wood-like
grain structure on it,

so, it is hand-forged.

But what is interesting
is the shape of it.

So, it came in
as a possible knife handle,

and it does have some features
of it being, like,

the scale of a knife handle.

But it could have also been used
as a multi-tool.

But why

the round hole at the base
and the square hole above?

So this could have
been used as a fastener

to hold something in place,
a little pivot point.

But this section right here,
I can find components

that are similar to other tools,
but nothing like this.

- Okay.
- And the composition

is clean,
so, it's post-medieval,

pre mid-1800s.

So, it does fit
within the 1700s.

- Yup.
- It's very peculiar.

You know, it's possible

Carmen might have an idea
as to what that represents.

- Yeah.
- But the next item...

what does it tell us?

It's a bag seal.

Dating back to
as early as the 13th century,

lead bag seals were fasteners
used to contain large quantities

of goods
in heavy cloth packages.

I recognized an element of it
right away, which was a...

I found an existing
example of... of this seal.

And that is the only example
we could find.

So this is the city seal
of Leeds, in England.

So...

What a macabre design.

I know. It's so grim.

So, this would have been a seal

- on a finished bale of fabric.
- Hmm.

So, that implies that it arrived
on the island as a bale,

and that was taken off
on Lot 8.

Wow.

Leeds in the 16th, 17th
and 18th century was, like,

the wool manufacturing place
in England.

And basically,
Britain was built around wool.

- Oh, really?
- Yeah.

That begs the question,
what time period?

The Leeds wool industry
goes back to the 1300s.

So, it could date earlier.

The Leeds wool industry
goes back to the 1300s.

Wow.

In the Oak Island lab,

Laird has just confirmed

that the lead bag seal found
on Lot 8 originated in England,

and could be as much
as 700 years old.

When you say "bale,"
I picture something

- of great quantity, though?
- Let's say,

- the size of this, probably.
- That much?

- So, big. Yeah.
- That's a--

- Like a hay bale.
- Yeah.

Isn't that a lot of fabric
for a singular household?

That's the problem.

A singular household,
you're going to those people

and buying your clothes.

Why on the island?

Here on the island, there were
limited families. -[Laird] Yeah.

Bag seals are not uncommon
in North America,

but they're usually associated
with trade.

Like, a fort,
you're finding a lot of these.

Because you're making uniforms,
but you're also trading cloth.

This is our third bale seal.

Now we have three
from different areas.

So, why is it there?

Previously,

the team found
a lead bag seal on Lot 5

and another on Lot 32,

just yards
from the possible stone road

that was recently uncovered

in the southwest corner
of the swamp.

Astonishingly, that bag seal
was scientifically matched

to the 14th-century lead cross,
which is believed

to be connected
to the Knights Templar.

There's enough going on
on Lot 8 that

I'd like to look closer,
to take a good look

- at what's out there.
- Yeah.

Could be something else
that we're not aware of.

So, to that end, I think we need
to get back out there.

- We have to get to work.
- Yes.

You have to find things,
and I will help you dig.

- That sounds like a plan.
- That's a plan. That is a plan.

All right. Thank you.

Thanks, guys.

The next day,

while drilling continues
in the Money Pit area...

You are of firm belief that

there are answers
to the Oak Island mystery

- that reside within the bog.
- How can you deny it?

No matter how you look at it,

somebody did an immense
amount of work in that bog.

...Rick meets

with fellow Oak Island
landowner Tom Nolan

and other members of the team
in the research center

to plan their next dig
in the swamp.

I think
the north end of the bog,

in terms of the size

and the amount of finds
in a very confined space,

was quite exciting
and incredibly interesting

and incredibly confusing.

The amount of stakes
that we found,

all of uniform size,

uniform strikes in terms

of making the sharpened end,
eight strokes.

And when you look at it,

as they're plotted,
it's meaningful.

Oh, really meaningful.

Somebody was trying
to leave a path.

- Mm-hmm.
- Mm-hmm. -Yup.

Before uncovering
the stone features

in the western
and southwestern areas

of the swamp this year,

working with Tom on his property
in the northern region,

the team previously discovered
very similar stone structures

and several
eight-sided survey stakes,

leading to an empty,
vault-like structure.

Yeah. The so-called vault was
captivating in and of itself.

I mean,
we've found paths, roads,

but that vault was
quite singular and unique.

Yeah.

Now, Rick and Tom

want to know
if all of the stone structures

they've uncovered across
the swamp are connected,

and if other vaults

that still contain
something valuable are waiting

to be found.

The vault-- to me,
it was a hiding place.

It's in the perfect place
to hide,

and in the most vegetation
and stuff where people probably

- aren't gonna go looking.
- Absolutely.

If you are
safeguarding something,

if you have something
really important,

you're not going to put all
your eggs in one basket. -Right.

And you're going to have,
you know, one, two, three, more.

My hope is that there is
a backup vault. -[Tom] Yup.

We're ready
to put the bucket in the ground

- and see what's under it.
- Well...

there's no time
like the present, right?

- Yeah. Let's do it.
- So, I say we get out there.

Let's go.

Following the meeting
in the research center...

I think we should start here,

take this apart, and then,
once we get across that,

just keep going to the other
part of the bog. -Yup.

...the team begins
searching for new clues

in the northern region
of the swamp.

Gary,
it's gonna be up to you

to find whatever artifacts
are here.

If they're here, we're going
to find it. -[Rick] Okey doke.

You know, the swamp
has been enigmatic because

virtually every time we dig
in there, we find something.

And not just something.
We find things

that you wouldn't suspect
would be in a swamp.

We find things
that could very well be related

to the, uh, mystery
of what happened here.

We're close to the line
where you found all the stakes.

Yeah.

Is that-- Right there's
your stake, right there.

Probably right there.

Ah-ha!

Probably right there.

But is it eight-sided?

Hmm. Two, three, four,

five, six, seven.

- There.
- There's one there.

- And there's the start.
- Yup.

- There's your eight sides.
- Wow.

They drilled that down deep
for some reason.

That's got
to be really, really old.

Last year,
these eight-sided stakes

led us to a vault.

The stakes are a puzzle
unto themselves.

There's every belief
that as the stakes continue

to be found, at some point,

we will have an explanation
as to why.

Yeah, that's where it was,
right there.

Well, we're going to have
to get Steve out to pin it

right now, before we move it.

Unless you can
dig around it, Al?

Dig on this side and that side?

Maybe they can help explain
the structures

that have already been found.

- Hey, guys.
- Hey, Steve.

What do we got?

- You're standing on it.
- I'm literally standing on it.

You're literally standing on it,
and that's...

That's where it was.
The hole is right there.

- Okay. The hole is what we want.
- Yup.

And like everything else,

we're a foot and a half
above sea level.

And actually,
most stakes that we have found

in the swamp have been a foot
and a half above sea level.

They've been very consistent,
which to me means

a lot of them were probably done
in the same time period.

And that would be
pretty interesting.

Yeah.

So, anyway, we'll keep going.

- Thanks, Steve. Appreciate it.
- Thanks, guys.

These stakes
almost certainly represents

that a group
of individuals did the work.

Implying a reason,
implying planning.

Maybe it is connected to
the vault that we've discovered.

I've got a signal!

And I'm hoping that there
are clues that will lead us to

new discoveries.

I've got a good signal
in that last pile,

wherever
the last pile came from.

Would have been on the bottom.

He was scraping bottom
with that last bucket.

- So, it's... It was down there.
- That's excellent.

That's where we'd find the
older artifacts. -[Tom] Yeah.

Let me see
if I can pinpoint it first.

What do we got here?

- What do we got here?
- What is that?

In the northern
region of the swamp,

Gary has just found
an intriguing artifact.

You know what that is?

That's like a sneck, a latch

off a gate or a door.

It would be inside an opening,
and you'd put your thumb on it,

and you'd open the gate.

In England,
we'd call it a gate sneck.

It's more than likely
hand-forged.

This...

looks really, really old.

A possible gate latch?

Found in the northern section
of the swamp?

It's a great thought.

Your thumb fits
in there perfectly.

- The latch springs up.
- Yeah.

Because
these fixtures have been in use

as far back
as the 13th century,

just how old
might this artifact be?

And could it be related
to a structure

that might be buried
in this area?

Well, it's a great sign.

An old piece of iron came
from the bottom of the dig.

- Yeah. That was down deep.
- Mm.

I'll put it in the bag?

- Yeah. That's a good find.
- Yup.

Okay. Let her rip, Al.

- What have you found, Tom?
- Piece of pottery.

But it's, uh... it's green.

Green and blue. You don't
usually see that color.

No.

- That decoration is unique, too.
- Yeah.

This area

with the green
and the blue glazed pottery,

it could match another area

where the archeologists
have found it.

I know it's been found before.

- Yeah?
- I think some green and blue

came off the Lot 26 wall,
as well,

when the archeologists
were investigating,

taking the wall apart.

We have to find artifacts.

Okay. Get on that.

In 2022,

the team investigated
a rock wall on Lot 26

because it was much larger
and wider

than a number of others
on the island

that are known
to have been built

by farmers in the 19th century.

Incredibly,
in addition to pottery,

charcoal was found in the wall
that, when carbon-dated,

suggested it could be
over 500 years old.

And when Portuguese researcher

Francisco Nogueira inspected it,
he made

a fascinating observation.

No way.

Could this piece
of pottery be the same kind

that was found
in the wall on Lot 26?

If so, is it possible
that the wall is somehow related

to the manmade workings
uncovered in the swamp?

We have a suggestion

by experts that some
of the activities conducted here

on the island can be associated
with the Portuguese.

The stone road, the swamp
has Portuguese influence.

The stone wall has influences.

The Pitblado Portuguese Templar
coin that was possibly found

in the Money Pit.

It's a worthy consideration

that they all may have
a connection to the mystery.

We'll get these finds
back to the lab.

I mean, we've had a great start
to the dig in this area.

- Yup.
- It shows

there's things to be found
here, right? -[Gary] Yeah.

- I agree.
- We just have to keep

- plugging away.
- Yeah.

All right, Al, we'll take her
down quite a bit more here.

Perfect. No problem.

Later that day...

So, this is what
I wanted to show you.

- We've got this large boulder...
- Yup.

...which is uncommon.

...after looking
around the area on Lot 8,

where the lead bag seal
was found,

Laird has made a potentially
important discovery.

We're not seeing them
around here a lot, that size.

But then I started seeing

the number of stones
that are around it.

- Perhaps filling in something.
- Mm-hmm.

Even the berm over there,
that could indicate digging.

It looks like
someone was filling in a pit.

And actually,
if you look again,

the rocks seem to go
further off to the east.

Mm-hmm. -The more I look,
the more I see.

Yup.

Could Laird be correct

that someone deliberately
filled in a pit

around this massive boulder
with soil and smaller rocks?

But if so, who did it?
And for what purpose?

You know, it appears as though
there is a ring of stones

- around the boulder.
- Mm-hmm. Yeah.

It's not unusual
to find a boulder on Oak Island,

but even more interesting
was the

ground-level rock feature
around it.

My immediate thought was
that this was

a possible filled-in foundation
that we're not aware of.

I don't know the relationship
between that large boulder

and this stone formation
just yet. -Mm-hmm.

But I think
it's definitely worth exploring.

It's interesting.
There's no doubt about it.

Yeah. Lot 8 has intrigued me.

But then you and Katya recently
found the bag seal? -Correct.

Which is another
really intriguing artifact.

I know its function,
but why is it here?

And then,

we find this huge boulder
and these rocks.

It does make me think

that we need
to really analyze it.

It's certainly unique,

and, like you said, you can see

the raised areas
everywhere, right?

- Yeah. Yeah.
- Here, here. There.

This would have been quite
an effort by someone... -Mm-hmm.

...if this really is
a hand-built construction.

Yeah. So, I think
what we'll do, we're going to

clear it off, clear
that whole area off... -Mm-hmm.

...to get a good idea
of what it looks like.

And then, hopefully,
taking a section from it.

Sure.

This may provide
a very unique opportunity

to try to understand, not only
this lot, but the entire island.

You know, not every stone

- on this island means something.
- Yes.

- But some of them do.
- Do. Yup.

And this may be
one of those times. -Yeah.

If it's been filled in,

there might be something hidden
that would break the story open.

At this point,

the archaeologists
need to get to work.

This is surely
worth investigating.

You've laid out
a very proper approach.

I applaud you for,
again, being observant.

Um, I-I think
if there's any way we can help,

we all would invest
some time here.

You're leading me
into the dark side

because I'm really intrigued
by that stone.

It does make me think that
there's a lot more out there.

Here. Welcome to the dark side.

We've got work to do.
Let's go. -[Laird] All right.

At the start
of a new day on Oak Island...

We got lots
of work to do, guys. -Yeah.

...Laird and members
of the archeology team

investigate the possible
man-made boulder

and rock feature on Lot 8.

There's a lot of rocks
in here, Laird.

- Yup.
- I've never seen this many rocks

- underneath the topsoil layer.
- Yeah.

Kind of looks like
there was a cut,

and at some point,
it got filled back in.

I've got the edge here, I think.

- Oh.
- You may be coming to an edge.

Well, I am getting
to the different soil here.

But you should be coming to what
we think may be the redeposited.

Well, there's a nice big lump
right behind Ethan.

- You're right. It's mounded.
- Yeah.

That's a good sign.
There was digging,

for whatever reason,
and then it got filled in.

And then you got this huge rock
in the middle.

Like, I find
that strange, as well.

I think we still have to
at least define the edges

as we go, all the way around

- the, uh... the boulder.
- Yeah. Okay, good.

Okay, so let's... let's see
how far back this goes.

To me, this site is one

of the strangest sites
I've been on.

It doesn't make any sense

that someone would come
and excavate

and then
fill it back full of rocks.

It's brutal work.

So, I find it very
unusual, and I can't wait

to get the excavation deeper,
and, hopefully,

answer some of these questions.

Hey, look at this.

A piece of wood.

Does that look like
that top's been cut before?

I didn't do that.

Sure does.

Doesn't look like
it got snapped off.

No. That's what I'm thinking.

I think that if that was cut,

then that could've been cut

by whoever created
whatever this is.

- That's...
- Yeah. I could see that.

I mean, that was deep.
That was... that was underneath

all these roots
that I've been pulling up.

So, that is not something
that was on the surface. -Okay.

If this was cut,
that would have been years ago.

- Many years ago.
- That's what I'm thinking.

The sticks
that had cut marks on them,

that's another evidence

of cultural activity
happening there.

Okay. We better keep our eye out
for stuff like that.

Okay. Cool.

As the investigation
continues on Lot 8...

Oh, yeah.

Pull!

...in the Money Pit area...

Looks like
you guys are in bedrock.

If he's driving it over,

that would be his 20 feet
through the solution channel.

I guess we missed

- the void at 148 feet.
- Yeah.

...after finding no new evidence

of the void that was discovered

nearly 150 feet deep
one week ago,

the drilling operation
in borehole DN-13

has now reached

the solution channel.

Bottom's 208, rock is 204.

Bottom's 208.
Rock is 204. Got it.

At least we have
intercepted the bottom

of the solution channel
in this hole.

There we go.

She's a full-on anaconda,
ladies and gentlemen.

Here we go. Cut her up.

DN-13,

this is the last gasp, I think,
since we're on bedrock.

Let's see what we got here
in front of us.

This up here actually
is a little bit loose.

Actually, it got a little loose
between, uh, 184 and 188, so...

Yeah. -...I think we're ready
for the pin-pointer.

Okay.

This is the more promising

upper portion,
which is a bit slushy. -Yup.

It's clear, gentlemen.

Okay. Thank you, Charles.

Well, it's not the ending
we hoped for, for DN-13.

We've had all kinds of success

in this area with metals being
in all the water testing.

So, we'll take a soil sample
back to the lab. -Yeah.

And maybe, just maybe,
there will be

some hope
with this borehole yet.

I can't believe
we missed an open void

at 150-ish feet.

If we can prove that there's
metals in the soils here,

and that's through testing
through Dr. Spooner

and testing in the lab
with Emma,

we can prove
that this is potentially

still a treasure location.

We'll move on, and we'll go back
to the heart of the Peacock.

And let's try
to get back in that void.

Very good. I'm in full agreement
with that, Steve.

Okay, fair enough.

Later that afternoon...

- Hey, guys.
- Hey, guys.

Hey, guys.

- Hello.
- Hey.

...in the war room,

Rick, Marty
and members of the team meet

with video enhancement expert
Bob Brown

from Prohawk Technology Group.

The reason for this meeting is

in BN-13.5, we put
camera down and sonar.

It showed a void.

Uh, the thought was
to give it to Prohawk

to enhance the data
that we've given them, so,

having said that,
Bob, welcome to the war room.

Appreciate it.
Thank you so much.

Here's a little of the footage.

Prohawk Technology Group

has worked with the team
several times in the past,

using their proprietary software

to clarify
underwater video images

collected from deep
in the Money Pit area.

This one was really interesting.

Really, there were

distinct things

that we kind of
noticed in the imagery.

So, we found this
to be quite interesting.

You can see here,
this cluster of

stake-like pointed objects, right?

It just looked arranged,
and the shapes,

the tapering, the alignment
appears deliberate.

And would suggest
planked stakes,

something, you know,
of human origin...

...rather than
the natural environment.

You know, I can see

a layering effect in there,
that it does look man-made.

Mm-hmm.

We are all intrigued.

It would defy logic

that those could be
represented geologically.

It's different--
unexplainable, really.

I mean, you guys are dealing

with cutting-edge
technology here.

Yeah.

I still need
to be convinced, but it makes

the Peacock area
that much more interesting.

And I think that's what we have
to go off of.

Then there were definitely
these distinct, square

geometry patterns throughout
many portions of the video.

The edges, the uniformity of it,

um, and you take it
all together,

and it really begins to add up

that there's something
that's not organic.

Another area we found,

there was a bright,
reflective rectangle.

Right? It's got sharp edges.
It's highly reflective.

So, that would lead us to
believe that there's some type

of metallic or polished quality

that's causing the reflection.

A possible
rectangular metal object?

Has the team indeed found
a man-made chamber

some 150 feet underground
in the Peacock?

Well, yeah. I mean, this is
really keenly interesting.

If so,
could it contain the source

of the precious metals
that have been detected

in water
deep in the Money Pit area?

Bob, if you had
to say how likely these,

at least one of these
is a man-made object,

what would you say?

I'd put it over 90%.

Wow.

Bob, if you had
to say how likely

at least one of these is
a man-made object,

what would you say?

I'd put it over 90%.

Wow.

In the Oak Island
war room, Rick, Marty, Craig

and members of the team

are viewing enhanced video
of a potentially man-made cavern

some 150 feet deep
in the Money Pit area.

It really came down
to geometry, precision,

consistency, the arrangements,
the materials.

They strongly suggested
man-made origins.

It's just

really compelling evidence.

An open void is
highly unlikely to be natural

for the depth
that we're looking at, right?

Correct. -[Marty] Is there any
geologic explanation for this?

'Cause I can't
really think of one.

I would say,
this is my working premise,

is that the Peacock is
the wash-out around a structure.

And perhaps we're seeing
into that structure

from our actual borehole.

I mean, it's deeper
than any searchers.

And if there are
weird, anomalous features

that Prohawk's picking up,
it really seems like

- it's a depositor.
- Yeah.

I am taken aback
by the number of things

being represented in such
a small, confined space.

He saw several items
that represented very linear,

90-degree angles

that we've been told
many, many times

that that doesn't
happen in nature.

And I have no explanation
for this reflective image.

I can only insinuate
that it has something

to do with metals
being underground.

Perhaps there is
a man-made reason

for those highly unconsolidated
soils in the Peacock.

This would strongly suggest

that the offset chamber
is a valid explanation.

So, this area
is quite compelling.

Bob, I mean, does this
look like a jumble of stuff

that could've collapsed?

It-- It could have
collapsed. Yes.

Okay. We should jump

up and down
about this data, right, guys?

I mean, we're seeing
man-made objects--

or strong indications of it--
in an area where

we haven't had any indication
of any searchers.

This is the kind of thing
that we set out to find.

You know, for sure,
we have to explore this further,

but that's pretty dramatic.

The Peacock still has
very elevated amounts of silver

and some other metals in it, so,

here's the point.

The source of these metals
in the water is still there

and hasn't been found.

But maybe we just found it.

Bob, we hope
you got a bullseye for us.

Yeah, I hope so.

Thank you very much.
Appreciate it.

You bet.

Our pleasure
and happy hunting, guys.

- Thanks, Bob.
- Thank you.

As the meeting
concludes in the war room...

I'm just looking
at these rocks here.

What about if you started
from the rock in there, out?

Yeah.

...archeologist Fiona Steele

and members of the team

investigate the boulder feature on Lot 8.

I'm really interested
in what's happening down there.

There's definitely evidence
of the stones

being deliberately placed
around the outside

and underneath
this huge, erratic boulder.

Such a big rock
could be something

that was used for a marker.

It could be something that...

that you'd want
to hide things under.

So, it's just so out
of the ordinary,

that we need
a little bit more evidence

before we can make
that full determination.

- Fiona?
- Yeah?

I found a piece of wood.

I don't know
if it's cut, though.

- Look at that bottom.
- Yeah.

That does not look
like it's broken.

I would say that's cut.

It was wedged right in there,

in between the rocks.

These are the type of things
we need to look out for.

It could tell us a lot about
the age of this feature.

Yeah.

Oh, it-it goes down.

Can you get your arm
right in there? Yes, you can.

- Whoa. You're going deep.
- Yeah. It looks

like a void down there.

You've got a big void
down there.

And you would not expect
to see a big void like that

- right there.
- No.

Not with the size of the rock
and how loose the soil was.

Yeah. I would agree.

This large boulder
is getting more

and more interesting,
because as we're going,

we're seeing
more and more spaces

that are underneath the rock.

And this really
shouldn't be the case.

That really speaks
to what they were doing here.

- Yeah.
- So, it's very evident

that man has been involved

with this boulder
to some degree.

It's just a matter
of why they were there.

Or whether
they were doing something

to hide something in that area.

Well, that's a good indication
of possible disturbance.

But I really think that Rick
might be very interested

- in this.
- Yeah.

This is really cool.

Definitely.

Well, looks a bit different.

Hi. Yeah,
we've been working hard.

- I see that.
- We've uncovered

a-a fair bit more of it.

You should see
what we just discovered.

Rick and Scott arrive on Lot 8

after being alerted
that a mysterious void

has been found
beneath the massive boulder.

We're seeing voids like that
around other areas

- around the large rock as well.
- Yeah, I see that.

Yeah. -[Isabelle] It looked
like it was going down quite far

because the soil was falling in
as I was e-excavating it.

- Mm-hmm.
- And it goes pretty far down.

Yep.

It looked like it was at least
three feet that goes down.

So, that's got
our curiosity piqued--

that it would be
going that deep.

Y-You wouldn't
expect to see that.

I find that...

strange.

See how this almost
seems placed?

- Jammed up?
- This one almost seems placed.

That's not a toss-in.

Look at that.

That is almost fitted.

As is that, as is that.

Yeah. Like a wedge.

- It is peculiar.
- Yeah.

We've not found
any other feature like this

other than maybe the stone
structures on, uh, Lot 5.

- Mm-hmm.
- Mm-hmm.

Looking at
the boulder more closely,

I was significantly struck

by the placement
of smaller stones around it.

They are equally spaced.

They are artfully applied,
if you will.

But there is a stone,
then a space,

then a stone, then a space.

Mother Nature wouldn't do that.

So, human beings were involved

in doing some work in this area,

specifically directed
to this stone.

This may have been completely
unknown to previous searchers.

It's exciting.

We need to find out what
is underneath that boulder.

Boy, there's intention there,
I think.

I-I can't imagine...

how you could explain that

other than
they were placed there.

I agree with you 100%.

And now you have another
reason to be inquisitive.

"Why is the void?

- That should be filled up."
- I would think so.

I mean, if you wanted
to hide something there,

you move something like this
in place, y-you position it.

I mean, it's a unique stone,
just look at it.

This could be
a great marker stone.

But I'm more excited about
what could be under it.

We're gonna find out
once we move the rocks.

Uh, look, the three of you

have done an exemplary job here,
and this is singularly unique,

- at least as of right now.
- Yeah.

Yeah, we still have
a lot more work to do,

but, uh, we-we're feeling
pretty good about...

...how far we've come so far.

- Yeah.
- Well,

a feature like this, the one
line that comes to my mind

is "leave no stone unturned."

Touché. We're with you on that.

Patience and persistence

have taught Rick, Marty
and the team a priceless lesson:

the ultimate truth
behind the Oak Island mystery

may be hiding in plain sight

anywhere across these 140 acres.

But as they uncover more clues

under man-made features
near the surface,

in a muddy, brackish swamp,

and deep
in the Money Pit area...

...will it lead to a vault
that people have been seeking

for 231 years?

Or is the truth

that Oak Island contains
more buried treasure

than anyone ever imagined?

Next time on
The Curse of Oak Island...

We're in a sweet area
right here.

There's metals in the water.

High metals. -We're looking
for the one thing.

This could be
where it's coming from.

- Yeah.
- Exactly.

What are you seeing,
Peter? -Definitely a void

that goes on for a long ways.

We're gonna get
to the bottom of this.

There's a heck of a lot
of bricks up here.

Maybe it'll lead to a vault.

Wow.

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