The Addams Family to The Beverly Hillbillies
4 connections
The Addams Family
Batman
The Addams Family's Lurch also appeared as the person sticking his head out the window in a different episode of Batman.
Hogan's Heroes
Hogan's Heroes Colonel Klink has an explicable but existent cameo in an episode of the 1960s live action Batman
Green Acres
Green Acres' Oliver Wendell Douglas was briefly a prisoner in Stalag 13 where he contacted Hogan's Heroes' Colonel Hogan
The Beverly Hillbillies
Petticoat Junction was a spin-off of The Beverly Hillbillies. Petticoat Junction spun off Green Acres. All three shows crossed over numerous times.