(lively drum intro) ♫You never do know what's around the bend♫ ♫Big adventure or a brand-new friend♫ ♫When you're curious like Curious George♫ ♫ Swing!

♫ ♫Well, every day♫ ♫ Every day ♫ ♫Is so glorious♫ ♫ Glorious ♫ George!

♫And everything♫ ♫ Everything ♫ ♫Is so wondrous♫ ♫ Wondrous ♫ ♫There's more to explore when you open the door♫ ♫And meet friends like this, you just can't miss♫ ♫I know you're curious♫ ♫ Curious ♫ ♫And that's marvelous♫ ♫ Marvelous ♫ ♫And that's your reward♫ ♫You'll never be bored♫ ♫If you ask yourself, "What is this?

"♫ ♫Like Curious...♫ ♫Like Curious...

Curious George.♫ Oh... Captioning sponsored by NBC/UNIVERSAL NARRATOR: George loved to travel.

(mimicking plane zooming) (laughs) But this time was even better because he was traveling with his friend Marco.

Wow!

MAN: Here we are.

(George chattering excitedly) Hey, George!

(George chatters "Hey!")

Buenas dias, Marco.

Hola, Professor Wiseman!

All ready for a weekend in the sun?

Yeah!

(laughs) MAN: Okay, all set.

Since you paddled out, I'll paddle back.

Hmm, where are the paddles?

Don't need them.

We're walking.

Huh?

The raft is for the boys and the luggage.

Huh?

But how can they touch bottom?

(chatters "I don't know") It's low tide.

Plus we're standing on a sandbar.

Huh?

Mm-hmm, it's a big pile of sand, only underwater.

The tide brought it in.

(chatters curiously) (chuckles) You remember the tide, George.

The moon pulls on the ocean and makes the water come in and go out.

Oh... (water splashing) Hmm.

(laughs) Wait until you see the tidal pool.

The tide makes those, too.

Sounds fun.

(chatters) George and Marco were amazed by the tidal pools.

What do you guys think?

(George chatters excitedly) MARCO: Look at all this.

It had fish... starfish and anemones.

Ooh!

Ah!

And clams.

(George chatters curiously) Hey, if you dig deep enough, maybe you'll find buried treasure!

Buried treasure?

Ah!

Rumor has it the early explorers buried some around here somewhere, but no one's ever found it.

Hey, I bet we could find it!

Whoo!

Uh-huh.

Hey!

But finding buried treasure was harder than they thought.

(sighs) The problem with looking for buried treasure on the beach is... there's too much beach.

(sighs) You know what we should do?

(chatters "What?")

We should make our own buried treasure.

Oh... Yeah!

(George laughing) Luckily, monkeys always have lots of treasure with them.

(chatters "Hey, how's this?"

Wow!

That will make great treasure.

We can use the box my mommy put the toothpaste and stuff in.

(chattering) (laughing, hooting) But... (chatters inquisitively) I haven't put in any treasure.

(chatters "Oh") (gasps) I know.

I can put in this.

(chatters "What's that?")

My silver wolf.

My uncle made it in honor of our band, Lobos de Plata.

It's my favorite thing ever.

Oh!

(chatters) Now we need a way to remember where it's buried.

Hmm... Hey!

Good idea.

We could measure from the pier.

(chatters "One, two,) (three, four, five.")

The treasure is five giant George steps away from the post with the rope on it.

Uh-huh.

(cheering) Whoopee!

(squeaking, whistling sounds) (chatters "Look!")

(chatters excitedly) (hooting) (squeaking) (laughs) A dolphin!

(squeaking) I used to swim with dolphins back home.

(chatters) I'm a really good swimmer.

Want to know something neat?

Uh-huh, uh-huh.

Dolphins look like fish, but they're not.

(chatters doubtfully) Really.

They breathe air from a hole on the top of their heads.

(chatters) (chuckles) This one has been around people.

He's very friendly.

Ooh.

(squeaking) WISEMAN: His pod comes in with the tide.

(chatters inquisitively) A pod is a group of dolphins that travel together.

Ah... (chatters) (squeaking) (laughing) I think he wants to play.

(chatters excitedly) (squeaking) Swimming with a dolphin was fun.

Even if a dolphin swam a lot faster than you.

(squeaking) (laughs): Wow!

(laughs) (squeaking) Come on, George, let's follow it underwater.

Take a deep breath.

(Marco and George inhale) (squeaking echoing in water) (Marco and George gasp, pant) (shudders) George and Marco were surprised how long the dolphin could hold his breath.

(exhales) (laughter) (squeaking echoing in water) The dolphin also made way cooler air bubbles.

Ooh, I dropped my mask!

(squeaking) (chuckles) Gracias!

Ooh.

(laughs) See, boys, dolphins are excellent at finding things.

Did you hear those sounds they were making underwater?

Uh-huh.

(squeaking) He's using his sonar.

(chatters inquisitively) The sounds bounce off the mask and tell him where to find it.

Ah.

See you later!

Hey, can't we just walk back?

I thought you could touch the bottom.

We could.

But the tide has been coming in while we've been playing, so now we can't.

Hey, who moved the house?

(chuckles) The tide.

Huh?

I mean, the house didn't move, we did.

The tide carried us down the shore while we were swimming.

Uh, George, if the water's this deep, then where's our buried treasure?

Huh?

(screams) What are you guys looking for?

We couldn't find any treasure, so we buried our own.

Only, now it's underwater.

Well, the good news is, the tide will be out again in about six hours.

I bet we'll find it then.

(chattering) (gasps) Look, George!

Our treasure chest!

The buried treasure wasn't buried anymore.

Something had dug it up and moved it.

(chatters inquisitively) George, the tide doesn't just bring sand in, it takes it out, too.

That explains how the box got dug up, but how did it get over here?

And then he remembered.

The tide had carried them down the beach, so it must have carried their treasure chest, too.

Aha!

(gasps) (groans softly) Oh, no.

Our treasure.

It's gone.

Well, I'm sure it's around here somewhere.

George was sad about his toys, but Marco had lost his favorite thing-- his silver wolf.

George had to find it.

Hmm.

If the tide had carried them and the box down shore, maybe it had carried silver wolf even further down.

Yeah!

Uh-huh!

(chatters excitedly) Silver wolf!

No!

(chatters excitedly) (groans): Oh.

They'd never be able to find silver wolf way out there.

(squeaking) But they had a friend who could.

Yay!

Great!

(chatters excitedly) Marco now had two treasures: silver wolf and a brand-new friend.

Adios!

Thank you, amigo!

(squeaking) (George laughs) To find Curious George and his friends every day online, swing by pbskids.org to play fun games and watch your favorite videos.

You can also read more Curious George adventures by visiting your local library.

Captioned by Media Access Group at WGBH access.wgbh.org