The Addams Family to The Cosby Show

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 Colonel Klink has an explicable but existent cameo in an episode of the 1960s live action Batman

Green Acres' Oliver Wendell Douglas was briefly a prisoner in Stalag 13 where he contacted Hogan's Heroes' Colonel Hogan

Petticoat Junction was a spin-off of The Beverly Hillbillies. Petticoat Junction spun off Green Acres. All three shows crossed over numerous times.

The Beverly Hillibillies? Granny appeared on an episode of Mister Ed (see below for more on The Beverly

Hi Honey, I'm Home!'s Lloyd was friends with Mister Ed

Hi Honey, I'm Home!'s Honey and Lloyd discussed The Cosby Show's Huxtables.