The Dukes of Hazzard - Season 4 Episode 19 Nothin' But the Truth
Overview: When Boss Hogg learns that a state investigator is on his way to Hazzard to check out a claim of an illegal casino, he shifts the blame to the Duke family. But just as the Dukes are being formally charged, Boss sits on a syringe filled with truth serum. Boss lets slip the truth, and his cronies are none too pleased, forcing Bo and Luke to ride to Boss' rescue.