An unemployed actor named J.D. Clampett and his wife benefit from a paperwork mixup at the bank, becoming $36 million richer. The Clampetts believe that Mr. Drysdale has forsaken them and taken the money. When Miss Jane figures out what has happened, Jake Clampett is arrested. Jed wants Jake freed as he might be kinfolk. Jake tries to pass himself off as a long lost cousin. Gil Perkins appears as the pool man.

Newly discovered "cousin" Jake Clampett soon has everyone but Jed thinking about and dressing for a role in a movie Jake wants to make. Mr. Drysdale hears that Jed is going to finance 10 million for the movie. Miss Jane comes up with a plan to put a stop to it all.

Jethro wants to be Inducted into the Army. Granny gives him a physical. Jethro arrives limping & hard of hearing. Col Stark is very impressed. The Psychiatrist tells the Colonel He thinks Jethro is the best draft dodger he's ever seen.! Jethro tells them about Granny's physical & the Colonel wants to meet the Clampetts. When they arrive the 'Shrink' thinks their behaviour is all an act & convinces the Colonel not to induct Jethro.