Continuity mistake: After the crocodile scene, Lady and Trump jump away and land on a narrow street inches away from the hyena cage. After the hyena stops laughing, the place is completely different: Wide and with a fountain in the middle. Lady is sitting still so they couldn't have gone somewhere else in between shots.
Revealing mistake: During the "Outfox the Fox" number when Hawkins "cuts" the copies of himself in half, the copies are obviously all grown men, which then obviously become little people standing on each others' shoulders; it's easy to tell where the cloak hems of the little people on top end. (00:09:00)