This is all the skits what I quite know:
Rock and Roll:Monster In The Mirror(Original Version)Sung By Grover(1989),Telephone Rock Sung By Little Jerry and The Monotones(1974),You're Alive Sung By Chris and The Alphabeats,Rock and Roll Readers Sung By Chris and The Alphabeats,It's Hip To Be A Square Sung By The Cartoon Squares,Count Up To Nine Sung By The Count(1977 or 1978),Forty Blocks From My Home Sung By Farley(1990),(Not The Green Muppet Boy With The Orange Hair and Yellow Sweater),(I Can't Get No)Cooperation Sung By Mick Swagger and The Sesame Street Cooble Stones(1981),The Word Is No Sung By Gina,Maria,and The Muppets(1989 or 1990).
Cookie Monster:C is For Cookie(Original Version From 1973),C Drives Me Crazy,Telly Teaches Cookie Monster Eating Cookies Fast and Slow,Annette Bening Talks About Here and There With Cookie Monster,If Moon Was Cookie(Early 1980's),What Is Friend,They Can't Take That Away From Me,Goodbye Little Cookie(1981)
Put Down The Duckie:Monsterpiece Theater:The 39 Stairs,People In Your Neighborhood With Tennis Player,Barbara Walters,and Ralph Nader,Put Down The Duckie(Celebrity Guests Version),How I Miss My X Sung By Patti Labelle(1988),Grover The Mexican Dancing Waiter,Sing Your Synonyms Sung By Maria,Luis,Susan,Gorden,Bob,Elmo,and Telly,Newsman Robert Macneil Talks About Cookiegate To Cookie Monster With Kermit's Help,Jellyman Kelly Sung By James Taylor and The Kids,The All Animal Orchesta With Placido Flamingo,The Animals,and The Music Conductor.