Welcome Back, Kotter Season 3 Episode 7 The Deprogramming of Arnold Horshack 1977
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Arnold is accepted into a religious cult. Mr. Kotter and the three other sweathogs try to get Arnold to snap out of it. Eventually, he does and goes back to his former self, complete with his trademark laugh.
- Released: 1977-10-20
- Runtime: 30 minutes
- Genre: Comedy, Family
- Stars: Gabe Kaplan, John Travolta, John Sylvester White, Ron Palillo, Robert Hegyes
- Director: George Yanok, Alan Sacks, Eric Cohen, James Komack, John Sebastian
