IF, as scientists suspect, Europa has volcanic activity.

And do that, and spread the word.

We didn't have any idea about these things, which we call chimneys.

But 10 miles down the ridge... pshhh!

The pH of 11, and yet it had chemosynthetic bacteria living in it and at this extreme environment.

As we did some of our subsequent expeditions,

The hatch. Get the hatch. Get the hatch!

You flip a switch and there is electric light.

Water spouted from the broken faucet.

It's actually a light sensing organ.

Heat turns water into steam.

You'll understand how Mama felt. Why so paternal suddenly?

Here's where Bill's cameras really do shine.

And there's a whole new hydrothermal vent community that has been formed.

Water expands with heat.

Heat changes ice into water.

Now, the solution turned out to be simple.

And then once we've added this much heat, now we're just heating up the steam.

It's not this

Tunnels leads to the sewers, sewers lead to the storm drains... Storm drains leads to sea.

Heat turns water into steam.

A way out?

Not a way out.

The metal in the sink is conductive.

I had to see it from the beginning all the way to the end.

Simian haemorrhagic fever. Right under the chair.

You're burning up.

Water was dripping from the tap.

We need an exit.

Exits?

Just two years ago working off Santorini, where people are sunning themselves on the beach, unbeknownst to them in the caldera nearby, we found phenomenal hydrothermal vent systems and more life systems.

Heat turns ice into water.

Both of these fuels can be converted to synthetic crude oil.

The faucet is leaking.

Hold on a minute, I'll bring you a map.

Yeah. Or the flu, maybe.

The Pearl was listing to scuppers after the battle.

What the heart thinks, the mouth speaks.

Stay out of it.

It's none of your business.

During hot weather, be sure to drink lots of water.

The water is running with great force.

Water changes into vapor when it is heated.

She was three years old and I was 15.

The man says he's got to be moving on, Lester.