Radner's hand somehow doesn't stick to her shoe as she puts it on in the 'Tap Your Troubles Away' number.
Radner places her hand on her chest and then her head during the 'Tap Your Troubles Away' number, and yet it doesn't stick.
Bunsen's sleeve brushes against Radner's after she squirts the tube of glue yet it doesn't stick.
After Kermit says "Now I'm stuck on you!", the palm of Piggy's hand is off of Kermit's shoulder.
In the "Tap Your Troubles Away" number, while Radner is putting the other shoe on her foot, there's a bass drum beat but Animal has stopped playing.
Zoot's mouth is no longer stuck to his saxophone at the end.
In his intro to the Eskimo number, Kermit says they come from "the Antarctic Circle." Eskimos (or Inuits) live in the northern hemisphere, closer to the Arctic circle.