Other mistake: He says his father won the sculling 1928 Olympics, which doesn't match up with their ages.
Other mistake: Before the opening scene, where there is a paragraph setting up the history of the musical, in the third line there is a spelling error: "it's" should be "its" since it is a possessive pronoun and not a contraction.
Other mistake: Eleanor is eating a corn dog with a fork at the ice rink snack bar. Corn dogs are not listed on the menu though.
Other mistake: Ponty follows the instructions of the titular book, which follows the logical progression through the corporate ladder. However, when he becomes VP of advertising, he is reading from the very first pages.
Other mistake: Between the audition cuts and the finals, some of the kept dancers are not keeping sync with the music.
Other mistake: During the subway scene, when Dorothy, Tin Man and Scarecrow are trapped behind the red fence, there is no lock on the door in the fence. The door bounced once before falling shut, so it's probably not stuck. So how are Dorothy, Tin Man and Scarecrow unable to push it open?
Other mistake: As the people are going up the ramp to the Oyl's party, the man in the brown stops by the piling with a paper. As he bends over, there is a sound of the pelican pooping, and the man reacting to poop on his paper. The man and his paper are on one side of the piling, and the bird's tail is on the other. He couldn't have pooped on the paper unless he threw it.
Other mistake: Willowdean is disqualified for not having her talent costume approved - but the girl who gets 2nd runner-up [Millie) is also wearing a different costume than the one she had approved, and she is not disqualified.
Other mistake: When Jack and Rocky get on Ed Sheeran's plane, they are carrying 2 guitars. After the Moscow concert, before the 'song challenge', Ed says Jack wrote 'Back in the USSR' on a 3 hr plane flight with no guitar on the way to the show. (00:37:38 - 00:38:38)
Other mistake: Whenever a cat puts a hat on, there are no cuts for the ears to pop through. Instead, the ears simply swap from being on the cat to being on the hat between frames. Sometimes, when the cat's head is a bit too high, the ears on the hat are sometimes slightly misplaced.
Other mistake: During the intro, the Poet (voiced by the author of the original book, Luis Sepúlveda) is frying a couple of eggs. When he does his dramatic rendition though, he moves the frying pan in ways that would certainly spill its content. (00:01:20)
Other mistake: When Bilbo is looking at Thror's Map, he says "This hand points from these runes," but there are no runes visible where the hand is. Later, Elrond reads the Moon Letters that appear there, and says that they say, "Stand by the grey stone when the Thrush knocks, and the last light of the setting sun will shine upon the keyhole." But the Moon Letters actually translate to "Five feet high the door and three may walk abreast."
Other mistake: Cocoanut Hotel manager Mr. Hammer (Groucho Marx) reads aloud a telegram stating that guests will arrive on the 4:30 train. He then says, "The 4:15, eh?" and tells Jamison (Zeppo Marx) that he's going to "meet the 4:15."