Love That Bob to The Brady Bunch Variety Hour

The Bob Cummings Show was repackaged and ran in syndication as Love that Bob.

Here's Lucy's Lucy Carter was visited in two episodes by The Bob Cummings Show's Bob Collins.

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!

Should be The Brady Bunch. The Brady Bunch's Alice crossed over onto Hi Honey, I?m Home!

Both spun off from The Brady Bunch