The Venture Bros. Season 4 Episode 9

Brock, Hank, and Dean must go on a fantastic voyage into Rusty’s brain to find out why he’s in a coma. Meanwhile, Henchman 21 demands new henchsuits, but the Monarch is too busy obsessing with his latest purchase, a butter-glider.

Episode Title: The Diving Bell VS. The Butterglider

Air Date: 2010-09-12