4 Sezon
95 Episod
Welcome Back, Kotter - Season 4 Episode 11 Episodul 11 (1979)
After Horshack refuses to disect a frog in class, his grade is in jeopardy.
- Țară : United States of America
- Gen : Comedy, Family
- Studio : ABC
- Director : Alan Sacks, Gabe Kaplan
- Distribuție : Gabe Kaplan, John Travolta, John Sylvester White, Ron Palillo, Robert Hegyes, Lawrence Hilton-Jacobs
