Jamie Lee Curtis/The Fixx

Brandon Tartikoff/John Cougar

Sketches include ""In Brandon's Office,"" ""NBC Junket,"" ""Gumby's Rehearsal,"" ""Larry's Corner,"" and ""Whiner Show Ideas."" John Cougar Mellancamp performs ""Tumblin' Down"" and ""Pink Houses.""

Danny DeVito & Rhea Perlman/Eddy Grant

Sketches are ""Calvin Klein Cream Pies,"" ""Mister Robinson's Neighborhood,"" ""Crazy Edelman,"" ""Book Beat,"" ""What Would Frank Do?"" ""Amos n' Andy,"" and ""Spanish Class."" Eddy Grant performs ""I Don't Wanna Dance,"" ""Electric Avenue,"" and ""Living on the Front Line.""

John Candy/Men at Work

Sketches include ""Jim and Mr. Mambo,"" ""Doc Edmund,"" ""Village of the Damned Little Rascals,"" ""Eddie Murphy in the Suburbs,"" ""Dr. Tongue's Offer,"" ""Candace's Fantasy Shack,"" and ""Prison for the Winter."" Men at Work perform ""Dr. Heckyl and Mr. Jive.""

Betty Thomas/Stray Cats

Teri Garr/Mick Fleetwood's Zoo

Sketches include ""Cheerleader Practice,"" ""Mister Robinson's Neighborhood,"" ""History: The Real Story,"" ""School Assembly,"" and ""Caffiene Achievers."" The Zoo (featuring Lindsey Buckingham) performs ""Tonight.""

Jerry Lewis/Loverboy

The Smothers Brothers/Big Country

Flip Wilson/Stevie Nicks

Father Guido Sarducci/Huey Lewis and the News

Sketches are ""National Phone-In Democratic Primary,"" ""Tasteless Choice,"" ""The Ghost of Buckwheat,"" ""Countdown '84: The Candidates,"" ""Nice Boys Don't Get Girls Pregnant,"" and ""Phone-In Results."" The News perform ""Heart & Soul"" and ""I Want a New Drug.""

Michael Palin, Mary Palin/The Motels

Sketches include ""Donahue,"" ""Mr. Robinson's Neighborhood,"" and ""Powerful Living Snaps."" The Motels perform ""Suddenly Last Summer.""

Don Rickles/Billy Idol

Live From New York, it's... Joe Piscopo! Sketches include ""TV President,"" ""Kannon AE-1,"" ""I Married A Monkey,"" ""The Hamlisch Maneuver,"" ""Fascinating People And Their Friends,"" ""Witness Protection,"" ""Romeo and Juilet,"" ""El Dorko and Becky,"" and ""This Is Your Afterlife."" Billy Idol performed ""White Wedding"" and ""Rebel Yell.""

Robin Williams/Adam Ant

Sketches include ""Olympic Coverage,"" ""Rock & Roll ...and then some,"" ""Gandhi & The Bandit,"" ""Firing Line,"" and ""MTV News."" Adam Ant performs ""Strip.""

Edwin Newman/Kool & the Gang

Sketches include ""SNL Hairdressers,"" ""Edwin Newman and James Brown,"" and ""Prose and Cons."" Kool & the Gang perform ""Celebrate.""

Billy Crystal/Al Jarreau

Sketches include ""St. Patrick's Day Party,"" ""Hung Like Me,"" ""Unexplained Questions of the Universe."" ""Family in the Attic,"" ""Bad Career Moves,"" ""Ronald Reagen and Sammy Davis, Jr.,"" ""God's Place,"" ""The Womb,"" and ""SNL's First Episode."" Al Jarreau sang ""Mornin'"" and ""Trouble In Paradise.""

Michael Douglas/Deniece Williams

Sketches include ""Lost Script,"" ""MTV News,"" ""Four Minutes to Live"" (film), ""TV's Foul-Ups, Bleeps, Blunders, Bloopers, Practical Jokes, And Political Debates,"" ""Sugar or Plain"" (film), and ""Footless."" Deniece Williams performs ""Let's Hear It for the Boy.""

George McGovern/Madness

Sketches include ""60 Minutes,"" ""Menage a Trois,"" ""Book Talk,"" and ""My Brother, The Loser.""

Barry Bostwick/Spinal Tap

Sketches are ""Simulated Cat Fight,"" ""Foldgers Crystals,"" ""Lie Detector Test,"" ""Spinal Tap Interview,"" ""Guest Performance: A. Whitney Brown,"" ""2 on the Town,"" and ""Texxon."" Spinal Tap perform ""Christmas with the Devil"" and ""Big Bottom.""

Billy Crystal, Ed Koch, Edwin Newman, Father Guido Sarducci, Betty Thomas/The Cars

Sketches include ""Frank & Sammy,"" ""Sarducci & Nelson,"" ""Nose Guard,"" ""Hello, Trudy!,"" ""Needleman the Dentist,"" and ""Stooges Self-Defense."" The Cars perform ""Drive.""