Green Acres to My Mother, the Car

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

My Mother the Car's characters were mentioned on Hi Honey, I'm Home!.