Season
Season 4 Episode
- Season 4 The Drop-Ins (1)
- Season 4 The Drop-Ins (2)
- Season 4 Beau's Jest
- Season 4 Don't Come Up and See Me Sometime
- Season 4 Once Upon a Ledge
- Season 4 The Sweatmobile
- Season 4 Barbarino's Boo-Boo
- Season 4 X-Rated Education
- Season 4 The Barbarino Blues
- Season 4 Washington's Clone
- Season 4 Frog Day Afternoon
- Season 4 A Little Fright Music
- Season 4 A Winter's Coat Tail
- Season 4 Bride and Gloom
- Season 4 Barbarino's Baby
- Season 4 The Goodbye Guy
- Season 4 Come Back, Little Arnold
- Season 4 The Sweat Smell of Success
- Season 4 The Gang Show
- Season 4 Oo, Oo, I Do (1)
- Season 4 Oo, Oo, I Do (2)
- Season 4 I'm Okay, But You're Not
- Season 4 The Breadwinners
Welcome Back, Kotter - Season 4 Episode 10 Washington's Clone
7.20 30 minutes A younger student begins to imitate Freddie, not much to Freddie's liking.
