Most kids shows have an episode where they get in a mini submarine and ride around through one of the characters' organs. amirite?

Magic School Bus anyone?

WHY> Also, I was just watching the theme song.

I've only seen this on Magic School Bus, but then again I wasn't the type to watch a lot of kid's shows so I'm kind of clueless.

Code name: Kids Next Door

Spongebob!

jimmy neutron, futurama, family guy, fairly odd parents

Phineas and Ferb