S20E19 · Rolling Stones / Petula Clark / Allan Sherman

--The Rolling Stones - ""Ruby Tuesday"" & ""Let's Spend Some Time Together"" (censored version of ""Let's Spend the Night Together""). --Petula Clark - ""Elusive Butterfly"" & ""Color My World"" --Allan Sherman (stand-up comedian) --The Muppets (Kermit plays the piano & sings) - Following the sketch, Jim Henson comes out to greet Ed --Allan King (stand-up comedian) - routine about family members --Sisters of St. Benedict (Nuns from Erie, Pennsylvania; a.k.a. Sisters '67) - sing a show tune medley: ""It's A Lovely Day,"" ""Consider Yourself"" & ""Kumbaya"" --The Michael Bennett Dancers (clog dancers) --The Monroes (balancing act from Madrid, Spain) --On film: Footage of a 14-year-old waterskiier, Ricky McCormick, doing stunts at Cypress Gardens, Fla. --Audience bow (cameo): Miriam Colon (Puerto Rican star)