Audio problem: In the ballroom sketch when Janice is talking to Zoot, her mouth starts moving before we hear her even say anything.
The Muppet Show (1976)
1 audio problem in season 1 - chronological order
Starring: Frank Oz, Jim Henson, Dave Goelz, Richard Hunt
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)
Waldorf: These seats are awful.
Statler: Why? Can't you see anything?
Waldorf: That's the problem. I can see everything.