Welcome Back, Kotter/Trivia


 * The Danza: Gabriel Kaplan as Gabriel Kotter.
 * George Carlin: Guest starring as radio DJ Wally the Wow, and as Wally the Weasel, a former Kotter-era Sweathog.
 * Hey, It's That Guy!: James Woods as a fellow Bucannan High teacher.
 * Hey, It's That Voice!: Roger Rabbit's voice actor Charles Fleischer as Carvelli.
 * Mad Magazine: Welcome Back, Klodder.
 * Marx Brothers: Often imitated, with Epstein as Chico, Horshack as Harpo, and Kotter as Groucho.
 * Notably, Gabe Kaplan did a one-man show as Groucho Marx during the height of the show's popularity.
 * Poker: After leaving show business, Kaplan became a world champion professional poker player.
 * Star-Making Role: John Travolta as Vinnie Barbarino.