She's so hot, I can feel my shell tightening. We can hear you!

Hey, those are cold! You think? Listening shells, activate.

Grandpa. George and I want to play cheeky snails. These baskets can be your shells.

Although, it's more likely that you'll spend your scientific careers teaching fifth graders how to make paper mache volcanoes with baking soda lava. Oh, good god.

That shell is his house. It's very high if he gets hurt. Would you like to stroke him?

Hello Tiddles. Tiddles has slept all through the winter. Why has he got that shell thing on his back?

The easiest way to do that is to lay it flat on there and just make two slits into the shell and then that's still together so we can just...

Mr. Wolowitz borrowed it, damaged plastic retention hub number three and then returned it to me, hoping I wouldn't notice. Would you characterize that as responsible?