In one shot, Claudette's fur changes to dark yellow and in the next shot, it's golden again.
When the coaches are talking about the final race around the mountain winner takes all the sky in the background quickly flashes from a light blue to a dark blue then back to light blue.
When Humphrey stops Claudette from flirting with Fleet and tells her "You're too young to date!", his lip movements don't really match with the line.
Halfway through the final race, where Fleet and Claudette are jumping on rocks, for a split second something that looks like a boom mic can be seen at the top of the screen.