Corrected entry: After Dr. Claw has frozen time, one of his henchman knocks over a guard. As he hits the ground, you can hear a thud. However, when Gadget is flying over the pool and hits the girl's hair, it shatters like glass. Now, either that shouldn't have happened, or that guard should have broken into a million pieces.
Corrected entry: When Dr. Claw is in his hideout, he's playing darts, using Gadget's face as the target. When we see that, we can see that he's already been playing for a while, as there are several darts already in the board. But when he throws the handful, suddenly all the darts that were on the dartboard are now gone.