>> ♪ Cyberchase ♪ ♪ We're moving ♪ ♪ We're beating Hacker at his game ♪ ♪ Don't tell me that he's trying to hack the Motherboard ♪ ♪ We'll get him every time ♪ ♪ Cosmic worlds, freaky places that we've seen ♪ ♪ We've got the power of one, two, three, four ♪ ♪ Running in the Cyberchase ♪ ♪ We'll meet him face-to-face ♪ ♪ We'll stick together all the time ♪ ♪ Adventures in cyberspace ♪ ♪ The chase is on ♪ ♪ Just wait ♪ ♪ And c-y-b-e-r chase!

♪ ♪♪ >> Toothbrush.

>> [ Laughs ] >> [ Laughs ] Ball.

Now where's my helmet?

Oh, here it is.

It must be dirty.

I can't see a thing.

Whoa.

>> Is this what you're looking for?

>> [ Gasps ] My helmet.

Now I can breathe underwater.

Thanks, Jackie.

>> Breathe underwater?

Where are you going in such a hurry?

>> Only the greatest site in all of cyberspace, Mermaidos.

>> Mermaidos?

>> I took some videos last time I was there.

Check it out.

Ah, Mermaidos, a beautiful cyber site with green trees and the coolest of cool waterfalls, but the best part is underwater.

Helmet on!

Yee-haw!

>> [ Gasping ] >> Wow!

>> Colorful fish... >> Whoa!

>> ...and, of course, Mermaidians.

This is my friend Eugene.

>> Hi, Didge.

>> We frolic with the fish.

>> We have picnics under the shady trees.

>> And we play fetch with Eugene's pet sculpin, Slimey.

Fetch, Slimey.

In Mermaidos, we have fun all day long.

Whoa!

>> Wow.

Mermaidos seems really cool.

>> It's the best.

Now, if you'll excuse me, I'm off to Mermaidos.

>> Adiós!

>> Bye, Didge.

>> Have fun!

>> [ Grunts ] Ah!

Goodbye!

♪♪ Yee-haw!

The only way to travel.

Hey, how come it's so cloudy down here?

Where's Eugene's house?

Ah, there it is.

♪♪ [ Tapping ] Oops.

Sorry, Ms. Snail.

>> Ah!

♪♪ [ Knocking ] >> Didge?

>> Eugene!

>> Boom!

Boom!

>> Hee hee hee!

>> So excited you're here.

What do you want to do?

>> Let's play fetch with Slimey.

Here, Slimey.

Slimey?

Where is Slimey?

>> I don't know, but I'm sure he'll be back soon.

Let's play tag.

>> Good idea.

Tag, you're it.

>> Woo-hoo!

>> [ Grunts ] What's going on with all these plants?

[ Grunting ] I don't remember them growing this big and wild.

[ Grunts ] A little help?

Aah!

>> Whoa!

♪♪ Oof!

>> Gather round.

Mayor Ethel Mermaid has an announcement.

>> ♪ Something is wrong with the waters of the Mermaidos 'cause all of the sculpin are gone ♪ [ All gasping ] >> What's wrong?

>> Wait, you mean it's not just Slimey?

>> ♪ To figure out this big problem, Mermaidos is going to need help ♪ >> Help?

Who can help?

♪♪ [ Door creaks ] ♪♪ >> Ah, a perfect day to relax in the sun.

>> Don't forget your sunscreen, boss.

>> I'll apply it.

>> No, I will.

>> No, me.

>> Me!

>> Me!

Me!

Me!

I told you!

Uh-oh.

>> You cretinous collection of cogs, look what you've done!

>> Sorry, boss.

We'll fix it.

[ Squeak ] [ Sproing! ]

>> Today is supposed to be all about relaxing.

Soon, all of Mermaidos will be my own personal hot tub.

Ha ha!

Ha ha ha ha ha!

[ Ominous music ] >> Ha ha ha ha ha ha!

>> Hee ha ha ha ha ha!

Now, in order for me to reach maximum relaxation, this water must be 100 cyber degrees.

Has it reached 100 cyber degrees yet?

>> Oh, yeah.

Must be.

Absolutely.

>> All righty then.

Ahh.

[ Gasps ] Cold, the water is too cold!

>> Sorry, boss.

We're on it!

♪♪ >> Just go and make the water hotter!

>> Yeah, much hotter!

>> You got it, boss, much hotter!

♪♪ [ Groans ] [ Thump ] >> Are you sure your friends can help?

>> Trust me.

The Cybersquad can figure out anything, and here they are now.

Inez, Jackie, Matt, say hello to Eugene.

>> Hey!

>> Hi!

>> Hey!

>> Okay, that's enough.

We've got a problem.

>> No kidding.

The water is a lot greener than it was in your video.

>> That's new.

The water is usually crystal clear.

>> ♪ And all of our sculpin are gone!

♪ >> Slimey, too.

>> Slimey?

>> The fish you saw in the video!

>> Oh, right.

>> It says here, sculpin are good indicators of a healthy Mermaidos ecosystem.

>> Ecosystem?

>> A community of living things and all the air and land and water around them.

They all share the same space.

>> That means if the sculpin left, something might be wrong with your ecosystem.

>> Is anything else different?

>> These plants are a lot bigger and wilder than I remember.

>> And the water feels a lot warmer than usual.

>> Huh.

What temperature is it supposed to be?

>> ♪ Seventy-six cyber degrees, always 76 ♪ >> I wonder what the temperature is now.

>> Allow me.

It's 85 cyber degrees.

>> ♪ Eighty-five?

♪ ♪ That's much too warm ♪ ♪ It needs to be 76 ♪ >> Note -- the normal temperature in Mermaidos is 76 cyber degrees.

Note -- Now it's 85, and the sculpin have left.

>> Okay, what else do we know?

Whoa.

>> We know it's really hard to pace underwater.

>> [ Chuckles ] Matt!

>> We also know that the plants are bigger, and the water is cloudy and warmer.

>> Could it mean that change in water temperature is causing all these problems?

>> Good question, Eugene!

>> Come on, Cybersquad.

Time to investigate!

♪♪ >> [ Laughs evilly ] Excellent, excellent.

All the trees are gone.

Yeah.

Now there's nothing to shade the water from the sun.

My enormous hot tub should be a perfect 100 cyber degrees in no time.

♪♪ Ah, ah.

What?

Still too cold!

Buzz, Delete!

>> We need to find out what's making the water warmer.

>> Maybe these fish know something?

>> Looks like they're leaving, too.

>> First Slimey, now the rest of the fish?

This is not good.

>> Temperature check!

>> On it!

Eighty-nine cyber degrees.

>> The temperature was 85, and now it's 89.

That's four degrees hotter.

Note -- At 89 degrees, the other fish are leaving.

>> ♪ The hotter is gets, the more polluted the water, so tell your merson and tell your merdaughter ♪ ♪ If the temperature gets to 100 degrees, we all must move ♪ ♪ We all must leave ♪ >> Leave Mermaidos?

>> But Mermaidos is my home!

[ Ominous music ] >> Guys, this is not good.

We have to find out what's causing the water to heat up.

>> And fast!

Everyone is packing up to leave.

>> We can do this for Mermaidos.

>> Man, that sun is bright.

That's weird.

It's not usually this sunny down here.

>> Let's see what's going on up there.

>> But the problem is down here, not up there.

>> We don't know that, Eugene.

Up there, down here, it's all part of the same ecosystem.

>> So it's all connected?

>> Exactly.

Something changes in one part of the ecosystem, it could affect another part of it.

>> Come on, gang.

Let's check it out.

♪♪ >> Huh?

>> [ Gasping ] >> Hey, what happened to all the trees?

Whoa!

Whoa!

>> Last time I was here, there were big, beautiful trees all over the place.

>> Looks like a case of deforestation.

Huh?

That's when someone cuts down all the trees.

>> No trees, no shade.

>> No shade means the water gets warmer.

>> We need to shade the water.

>> No problemo.

♪♪ >> Didge, planting new trees is a good idea, but it might take a long time for them to grow.

We need something to shade the water now.

>> When I'm at the beach, my mom always brings an umbrella to give us shade and keep us cool.

>> An umbrella?

I got it covered.

♪♪ ♪♪ Maybe if you tilt the umbrellas, we can get even more shade.

>> Good idea.

>> Yay!

>> Ah!

>> Ninety-two cyber degrees.

>> Note -- 92 degrees with umbrellas for shade.

>> Ninety-two degrees?

That's not cooler!

That's warmer!

>> Only 1, 2, 3, 4, 5, 6, 7, 8 more degrees till we hit 100.

Then, we all have to leave!

>> I don't get it.

We made it shady, but it didn't help cool the water.

Maybe we need more umbrellas.

Or maybe something besides the sun is making the water hotter.

>> Ah!

It's still too cold.

This is taking too long.

Buzz, Delete, step on it.

>> Hey, Buzz.

[ Panting ] Nice to hear your voice.

Tell me, are you having a relaxing day?

>> No, you sycophantic cyborg.

I can't relax until the water is hot.

Make it hotter!

>> You heard the boss.

Make it hotter!

♪♪ >> What if I never see Slimey again?

I wish he'd come back.

>> Aw, he will, Eugene, I promise.

But first, we need to find out what else could be heating the water, so keep your eyes and ears open.

>> Sure!

♪♪ [ Dramatic music plays ] >> Yikes!

>> It's just a fish, Digit.

>> But I thought all the fish left because Mermaidos was too hot.

[ Beeping ] >> It says here this kind of fish likes warm water.

>> Interesting.

Jax, what's the temperature?

>> Hey!

>> Follow that fish!

♪♪ ♪♪ >> Got you!

[ Bump ] Oof!

♪♪ >> Hey, the water is even warmer here.

>> Got you!

>> Oh, no.

He ate the thermometer.

>> [ Hiccups ] >> [ Grunts ] >> Nice catch, Jax.

>> Yikes!

It's getting hotter, 95 cyber degrees.

>> But why would it be hotter right here?

>> Hey, I feel a water current.

>> [ Gasps ] >> I feel it too, and it's really strong.

>> And warm.

>> Note -- 95 degrees and there's a strong, warm water current.

>> Let's find out where it's coming from.

♪♪ >> It's coming from here.

>> And the water is hot.

>> Look!

>> Whoa!

What is that thing?

>> Whoa!

It's Buzz and Delete!

>> That means Hacker can't be too far away.

[ Splash ] >> Aha.

It's getting hotter.

Just a few more cyber degrees and my hot tub will be the perfect temperature for maximum relaxation.

>> It looks like that crazy machine is heating up the water!

>> Ninety-seven degrees!

>> Three more degrees and it'll reach 100.

>> Then everyone will be forced to move away!

>> That's not going to happen, Eugene.

We'll stop them.

>> Looks like the water goes up the hill in buckets, then down through a hole in the tank where it gets heated and back down this hose.

>> And into our water!

If we can just clog up that hole... >> Didge, do you have something round?

>> Maybe a ball?

>> We need a bigger one.

>> How about this?

>> [ Gasps ] Slimey's favorite ball!

>> Perfect, let's go!

♪♪ >> Woo-hoo!

♪♪ >> Whoa!

Oh, no!

>> Hey!

Oh, no!

I got it.

Nezzy, catch!

>> Hurry!

>> Here you go, Jax.

>> All right.

Woo-hoo!

>> All right!

♪♪ >> Did you ever have the feeling that things were about to go terribly wrong?

♪♪ >> Ah!

Ah!

Ah-ah!

>> This is not getting any hotter!

Why is the water not getting hotter?

>> No need to shout, boss.

We're right here.

>> Aah!

Ugh.

I'm surrounded by incompetents.

Ooh!

>> Ugh!

>> [ Gasps ] Ninety-nine cyber degrees!

>> Note -- 99 cyber degrees and we stopped the water heating machine.

>> ♪ Only one more degree till 100, so let us get ready to leave ♪ >> Eugene, it's time to go.

>> No, Mom.

We don't have to move.

The Cybersquad stopped the machine that was heating the water.

Check the temperature again, Jackie.

>> Still 99 cyber degrees!

>> I don't get it.

Why isn't the water getting cooler?

>> ♪ Come on ♪ ♪ Come on ♪ ♪ It's time to go ♪ ♪♪ >> Time to move, Eugene.

>> No!

>> Wait!

Stop.

You can't leave Mermaidos.

There's so much to love here -- the beautiful plants of Mermaidos Gardens, the gorgeous shells of Mermaidos Town Square, the cooling waters of Mermaidos Falls.

>> Wait, what's that about a cool waterfall?

>> You saw it in my video, remember?

>> That's it!

>> That cold water should be cooling the rest of the water, but it's not.

>> Take us to the Falls, Didge.

>> Nobody leave Mermaidos.

The Cybersquad is on the case.

Follow me.

♪♪ >> ♪ Go, Cybersquad, go!

♪ >> So where is the waterfall?

>> Water should be coming down right here!

>> Well, something is stopping it.

Come on!

♪♪ >> Didge, are we going to have to leave?

>> No way, Eugene.

They'll figure it out.

They always figure it out.

>> [ Grunts ] [ Gasps ] Hacker!

>> He must have built this dam to keep the cool water from flowing into Mermaidos!

>> But why?

>> To have... >> What?

>> ...the luxurious hot tub I deserve, that's why I am but one cyber degree away from maximum relaxation.

>> Woo-hoo!

>> Yeah!

Max relax, yeah.

>> We already stopped your water-heating machine, Hacker.

>> Maybe, but I have something else up my sleeve, my patented Hacker heat ray, good for heating water up to one cyber degree.

Bye-bye, Mermaidos.

Hello, hot tub.

[ Laughs ] >> No!

>> Oh, no.

It's going to heat to 100 degrees.

>> Not if I can help it!

>> Go, Didge!

>> [ Pecking ] Ah!

>> Stop him!

>> Ah!

[ Pecking ] ♪♪ >> No!

>> Sorry, Hacker.

Time for you to cool down!

>> Woo-hoo!

>> [ Yells ] This is not relaxing at all!

>> Nice work, Didge.

Boom!

Boom!

>> Aha!

>> Now that's what I call cool water.

>> Matt!

>> Huh?

The water is clearing up.

>> And the fish are coming back!

>> The water is cooling back down.

>> Soon, it should be a perfect 76 cyber degrees.

>> ♪ The Cybersquad saved the day!

♪ ♪ Looks like we all can stay!

♪ >> Yay!

>> Thanks, Cybersquad.

You saved Mermaidos.

And thanks to you, Didge.

>> Hey, anything for a friend.

>> What's that sound?

>> Slimey!

>> You came back!

>> Come on, let's play.

Fetch, Slimey!

♪♪ [ Laughter ] Stay right where you are.

It's "Cyberchase For Real"!

>> For years, I wanted a fish tank.

I'm finally taking the plunge.

I'm really psyched!

♪♪ ♪♪ Which one should I get?

How can I choose?

>> You don't have to choose.

>> Huh?

>> Those species get along well, so you can have some of each.

>> That's great.

I was thinking of getting a 10-gallon tank.

>> I have a 10-gallon ready to go.

Let me show you.

>> Okay.

♪♪ >> A 10-gallon tank can hold 10 of those fish.

>> That means I need to come up with 10 names.

Joe, Joe, Joe, Joe, Joe, Joe, Joe, Joe, Joe and Francine.

♪♪ You little guys really brighten up my living room, so I wrote a little song for you.

♪ The fish are in the tank ♪ ♪ The fish are in the tank ♪ ♪ Welcome to your nice new home ♪ ♪ The fish are in the tank ♪ [ Doorbell rings ] ♪♪ >> Hi, Uncle Harry!

>> Check out my new roomies, the Joes and Francine.

>> Hi.

Nice to meet you.

♪♪ I love fish.

I took care of my classroom's aquarium last year.

>> Great!

I'd welcome some pointers about caring for them.

>> Well, first of all, I'd suggest you move the tank away from the window.

>> But it looks so nice with my decor there, plus they get to enjoy the sunlight and the view from the window.

>> Yes, but it's important that the water not get too warm from the sun.

>> Don't worry.

They'll be fine.

>> Okay.

♪♪ >> [ Humming ] Ah!

Fish, oh!

[ Suspenseful music plays ] Courtney, uh, there's something fishy with the fish tank.

Can you make a house call?

I asked my neighbor to feed the fish while I was away.

I don't understand what happened.

[ Suspenseful music plays ] >> [ Gasps ] Uncle Harry, remember when I suggested you move the tank away from the window?

>> No.

>> Well, the sun can make the water too warm, and that can make algae grow.

That's why the water is so green.

>> The temperature is 82 degrees.

>> These species of fish like water that's around 79 degrees.

>> Oh, so we need to lower the water temperature from 82 to 79.

That's 81, 80, 79...

The water needs to be 3 degrees cooler.

That doesn't seem like much of a difference.

>> Some species of fish and plants are very sensitive to small changes in water temperature.

>> Okay, so let's move the tank away from the window, clean it up and lower the water temperature.

Yes, but we have to do it gradually so that way we don't shock the fish.

♪♪ Oh, 79 degrees.

[ Chime ] Mwah.

[ Humming and strumming ]