The Clampetts Strike Oil

S1, E1: The Clampetts Strike Oil

Available on Prime Video, Tubi TV, Classix
Extended version with unaired footage. Jed Clampett's swamp is loaded with oil. When a wildcatter discovers the huge pool, Jed sells his land to the O.K. Oil Company and, at the urging of cousin Pearl, moves his family to a 35-room mansion in Beverly Hills, California.
Starring Bea Benaderet, Frank Wilcox, Robert Osborne