Revealing mistake: In the final game against Iceland scene, there is a point where you can see that the people in the stands are actually cardboard cut-outs.
Revealing mistake: When they take a snapshot and it spins, then lands on the USA Today front page, like "Bombay Leads Team USA!" and they have his picture there... the words underneath the pictures all of the times they do this never match the story. They are just random articles that are talking nothing about hockey.
Revealing mistake: During the penalty shot for Jesse Hall Number 9, notice he is right handed, as the camera changes.. the person doing the shot is shooting with a left stick, however when Jesse cheers, its back to right. (01:35:40)