4 सीजन
95 एपिसोड
Welcome Back, Kotter - Season 4 Episode 20
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.
- बर्ष: 1979
- देश: United States of America
- विधा: Comedy, Family
- स्टुडियो: ABC
- कीवर्ड:
- निर्देशक: Alan Sacks, Gabe Kaplan
- जात: Gabe Kaplan, John Travolta, John Sylvester White, Ron Palillo, Robert Hegyes, Lawrence Hilton-Jacobs