Welcome Back, Kotter (1975–1979)
Arnold Horshack: [whenever he raises his hand] OOOOOOHHHHH! OOOOOOHHHHH! OOOOOOHHHHH!
Mr. Michael Woodman: Kotter, these kids couldn't pass a blood test without cheating.
Vincent 'Vinnie' Barbarino: Love means never having to hear i'm pregnant
Vincent 'Vinnie' Barbarino: Up your nose with a rubber hose!
Arnold Horshack: [frequent introduction] Hellooohhhh. How are ya? I am Arnold HorshAAAAAck.
Vincent 'Vinnie' Barbarino: [brainstorming ideas to raise money to save their class] We could have a casino night.
Gabe Kotter: Gambling in school? Do you realize the odds are almost 5 to 1 against that happening?
Freddie "Boom Boom" Washington: I'll take that bet.
[when Arnold became a cult member]
Arnold Horshack: What is? is. What was? will be. What will be *was*, but will be again.
Vincent 'Vinnie' Barbarino: [Vincent Barbarino said this, often, to other Sweat-Hogs, whenever someone angered him] Off my case, toilet-face!
Arnold Horshack: [gets on Epstein's case about his "notes from his mother"] "Please excuse Juan for being a sheephead." Signed: "Epstein's mother's veterinarian".
Gabe Kotter: You know what I'm gonna do: I'm going to put a window over there.
[points to the door]
Gabe Kotter: And a door over there.
[points to the window]
Gabe Kotter: So then you'll come in through the door!
Vincent 'Vinnie' Barbarino: Love means never having to hear I'm pregnant