Damn, what? If anyone remember what episode, please do tell. Then again.. This being Dragonball, chances are she looks nothing like this in the actual series:(
It was probably on or around episode 71, 「決死の大流血戦」. Goku and the gang need Baba to make a divination for them, but they don't have the money to pay for her services; however, she agrees to do it for free if they defeat her five warriors. Yamcha fights the Invisible Man, but he's getting pummeled. Krilin thinks of a strategy to neutralize the enemy's invisibility: he fetches Bulma and Muten Roshi, gets them carefully in position, then pulls down Bulma's top, exposing her breasts right in front of Muten Roshi, whose gigantic nosebleed sprays the Invisible Man, drenching him in blood from head to toe. Then Yamcha is able to defeat him easily. Although the undressing scene only lasts a few instants, it's fully animated.
