From Muppet Wiki

Cher was a television variety series hosted by Cher in the wake of the popular Sonny and Cher Comedy Hour.

The Muppets appeared in the September 7, 1975 and November 16, 1975 episodes. Numbers performed include:

• "That Old Black Magic": Sweetums and Cher
• "Bein' Green": Kermit and Ray Charles