Welcome Back, Kotter: Season 4, Episode 5
The Sweatmobile (9 Oct. 1978)
TV Episode - - Comedy
Carvelli offers to sell the Sweathogs his car so they tell him about the time they bought a car from Barbarino's uncle. While waiting at the hospital for the car, the Sweathogs see Uncle Louie wheeled in on a gurney after a car accident.