Old guys still kicking ass:
The Smothers Brothers Show
The Carol Burnett Show
The Donny and Marie Show
Why doesn't someone revive the variety show format?
The Captain and Tennille Show
Reread your list and you've got your answer.
I remember when you had to shake the milk bottle. Oooo, that links to another: when milk came in bottles. Ooooo and another: when a guy actually brought the bottles to your door. And another: when we actually had doors. (Scratch that last one; I gets carried away sometimes.)