Music:
--The Emotions (performing live) - "Whole Lot of Shakin'," "Walking The Line," "Best of My Love," "Smile" and "Flowers."
--Lenny Williams - "You Got Me Running" and "Cause I Love You."
--Blondie (music video) - "Denis."
--Alice Cooper (music video) - "How You Gonna See Me Now?"
--Richie Blackmore's Rainbow (music videos) - "Long Live Rock N Roll" and "Gates of Babylon."
Comedy:
--David Letterman (stand-up comedian)
--Village Idiots (comedy troupe, series regulars) - perform two "Rock Rap" music news sketches.
Highlights from Season 5 (1977-78)
Music:
--The Brothers Johnson - "Strawberry Letter 23."
--Andy Gibb - "I Just Want To Be Your Everything."
--Frankie Valli - "Swearin' To God."
--The Spinners - "Rubberband Man."
--Rod Stewart (music video) - "Hot Legs"
--Kansas (music video) - "Dust In The Wind"
--The Ohio Players - "Love Rollercoaster."
--Stephen Bishop - "On And On."
--Chuck Berry - "Roll Over Beethoven."
--Peter Allen - "I Go To Rio."
--Bob Marley & The Wailers - "Exodus."
Comedy:
--The Unknown Comic (stand-up comedian)
--Steve Landesberg (stand-up comedian)
Music:
--Rick James and the Stone City Band (lip-sync) - "Mary Jane," "Sexy Lady" and "Hollywood."
--The Jacksons (music video) - "Blame It On The Boogie."
--Devo (music videos) - "We Are Devo" and "Come Back Jonee."
--David Johansen Group (music videos, live performances) - "Funky But Chic" and "Girls."
--Santana (music videos, live performances) - "Well All Right," "Open Invitation" and "One Chain (Don't Make No Prison)."
--The Disco Dance Dimensions (dance troupe, series regulars) - perform to Sarah Dash's record "Sinner Man."
Comedy:
--Bobby Kelton (stand-up comedian)
Music:
--Dan Hartman (music videos) - "Instant Replay" and "This Is It."
--Queen (music videos) - "Fat Bottomed Girls" and "Bicycle Race."
--Dudek Finnigan Krueger Band (music videos) - "Run For Cover" "Just One Minute More" and "Gonna Move."
--Janis Ian (music videos, w/live vocals) - "That Grand Illusion," "The Bridge," "I Need To Live Alone Again," "Tonight Will Last Forever" and "Silly Habits."
--The Disco Dance Dimensions (dance troupe, series regulars) - perform to "If My Friends Could See Me Now"
Comedy:
--Jimmie Walker (stand-up comedy)
--Village Idiots (comedy troupe, series regulars) - "Rock Rap" music news & a Disco music sketch.
Music:
--Burton Cummings - "Break It To Them Gently," "Draggin' Em Down The Line" and "Your Backyard."
--Jimmy Castor Bunch - "Space Age," "Bertha Butt Boogie" and "E Man Boogie."
--Bad Company (live performances, possibly on film) - "Rock 'N' Roll Fantasy" and "Can't Get Enough."
--The Doors (B&W performances from the 1968 Granada TV special 'The Doors Are Open') - "Light My Fire" and "Unknown Soldier."
--Uriah Heep (music videos) - "One More Night" and "Falling In Love."
--Kate Bush (music videos) - "Wuthering Heights" and "The Man With The Child In His Eyes."
Comedy:
--Maureen Murphy (stand-up comedian) - monologue includes jokes about dating.
--Village Idiots (comedy troupe, series regulars) - Mr. Roger's Neighborhood parody & a caveman sketch.