John Travolta - The first episode of Welcome Back, Kotter aired 44 years ago! It's amazing to look back on the early part of my career. What is your favorite #WelcomeBackKotter memory?

Welcome Back, Kotter The Drop-Ins: Part 1 (TV Episode 1978) - IMDb

Welcome Back, Kotter The Sweatmobile (TV Episode 1978) - IMDb

John Travolta - The first episode of Welcome Back, Kotter

Welcome Back, Kotter Welcome Back (Pilot) (TV Episode 1975) - IMDb

Welcome Back, Kotter (TV Series 1975–1979) - News - IMDb

Welcome Back, Kotter, American television series

Welcome Back, Kotter (TV Series 1975–1979) - News - IMDb

Welcome Back, Kotter: 18 Facts You Never Knew

Welcome Back Kotter - DRAKATAK