Make Room For Granddaddy to The Beverly Hillbillies

Make Room for Grandaddy's Williams had Here's Lucy's Lucy Carter as a houseguest

Here's Lucy's Mary Jane Lewis was originally a character on The Lucy Show (also called The Lucille Ball Show).

Mr. Mooney from The Lucy Show was on Hi Honey, I'm Home!

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

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