A few episodes on YouTube

Surprised this was on network TV in 59!
Looks like it was filmed in Hefner's groovy mansion, but it's a stage set.
No bunny costumes, but playmates attach themself to older men. Interviews can be boring (Lenny Bruce).

Two episodes: https://www.youtube.com/watch?v=1JcRigcJgBk

Episode 1:
Ike & the Tina Turner Revue
Patty Duke
Doug Kershaw
Louis Nye
Rex Reed

Episode 2:
The Checkmates LTD
Sammy Davis, Jr
Leroy Neiman
Anthony Newley
Bill Cosby

No Cosby, but Jerry Lewis playing straight. Rex Reed is gay, no playmate for him!