The Andy Griffith Show - Season 4 Episode 23 Nip it in the bud!
Incamake: After Andy extinguishes a small fire that started at the filling station while Gomer was napping, Gomer believes Andy saved his life and makes a pest of himself trying to repay the debt. Andy decides to stage an accident and let Gomer "rescue" him, but it's Gomer that ends up needing the rescuing.