4 Musim
95 Episode
Welcome Back, Kotter - Season 4 Episode 20 (1979)
Arnold's relationship with Mary gets serious. Then he finds out he has to move and leave the school. Upset, Arnold decides to propose marriage to Mary. She accepts.
- Negara : United States of America
- Aliran : Comedy, Family
- Studio : ABC
- Direktur : Alan Sacks, Gabe Kaplan
- Pemeran : Gabe Kaplan, John Travolta, John Sylvester White, Ron Palillo, Robert Hegyes, Lawrence Hilton-Jacobs
