Revealing mistake: When Dr Dolittle is talking to the parrot and it raises its left leg, you can see a piece of string running past Dolittle's head used to raise its leg.
Revealing mistake: Despite the best efforts, you can tell the fabled white rhino is just a prop on wheels.
Revealing mistake: When Dr Kilmore crashes through the window of the bathroom at the nurse's home, it is not Jim Dale but a stunt double.