One of the Whatnots is missing a pupil throughout the number. Louise Gold performed that Whatnot and said in an interview that this was the last sketch filmed for the episode, and there was only time for one take.
In 1957, Peter Sellers recorded a rendition of the old English Music Hall song, in a voice he created for The Goon Show, Willium "Mate" Cobblers. It reached #17 in the UK music charts that year.
Fozzie is dressed as a Pearly King, a traditional cockney market character.