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Episode Details: The Deprogramming of Arnold Horshack
The Deprogramming of Arnold Horshack
Series: Welcome Back, Kotter
Season: Season 3
Episode Number: 7
Air Date:
Duration: 30 min
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.