The Dukes of Hazzard - Season 3 Episode 16 -

A pair of jewel thieves comes through Hazzard County and while confronted by Boss and Rosco, they make a getaway in the General Lee. This makes Boss think the Duke boys are a part of the gang and also, when the loot is found in Rosco's patrol car by Flash (who retrieved them), Rosco is fired when Boss thinks he's in on it too.