Diana Ross - S4-E23
Continuity mistake: When Diana Ross finishes her first song, the bird has both his feet on the ground; in the next shot, the bird has one leg raised, without enough time passing to do so. (00:08:45)
The Muppet Show (1976)
1 continuity mistake - chronological order
Starring: Frank Oz, Jim Henson, Dave Goelz, Richard Hunt
Visible crew/equipment: When the group of pigs, chickens and frogs are singing "Temptation," the head of Dave Goolez (the guy who does Gonzo) is visible under the second chicken on the right several times during the sketch.
Statler: You know I never liked this show's theme music.
Waldorf: Niether did I.
Kermit: You promised.