Quote from Red in Till the Next Goodbye
[As Kelso laughs, Red and Kitty's heads float into the air and swap around] Red: And you, wipe that stupid smirk off your dopey, dope-fiend face. Kitty: Do you know what drugs do to you? They shrink your brain until one day you wake up, and you think you're Superman and you can fly, and then you wind up jumping off the roof in your underpants. Red: Oh, this idiot doesn't need drugs for that. He does that every Saturday. [Kelso laughs and nods]