The Rass'lin' Clampetts - S6-E22
Other mistake: When Granny throws the Boston Strong Girl out of the ring at the end, you can tell that the Boston Strong Girl is jumping to get over the ropes.
The Beverly Hillbillies (1962)
Episode list - season 1
Starring: Buddy Ebsen, Donna Douglas, Irene Ryan, Max Baer Jr.
More mistakes in The Beverly Hillbillies
Milburn Drysdale: When I give my word, I expect you to keep it.
The Great Tag-Team Match - S6-E23
Trivia: In this episode, the Boston Strong Girl is played by a man and the female voice that is dubbed in belongs to Linda Kay Henning; daughter of creator/producer Paul Henning and was at the time starring in Petticoat Junction as Betty Jo. She would also dub the voice of Jethrine whenever Max Baer played the role of Jethro's twin sister.