Season 4, Episode 7: "The Bubble Boy"

Can you go in the bubble?

Well, you have to put so many things on because of the germs.

The gloves, the mask, it's a whole production.

So then he makes his own bed?

Well, that's one of the things we fight about.

Would you like to meet him?

-Ah, well, you know-- -Oh, he loves games.

Maybe you could play Trivial Pursuit with him.