WILHELM SCREAM: During the end credit sequence when Jerry is tiny and riding the hockey puck. When he uses the cat "horn" to scare the goalie, the goalie lets out the scream.
The players' uniforms mimic those of the Vancouver Canucks away jersey. The design of the wolf is very close to the orca whale that is the current (as of 2012) Canucks mascot and the main focal point of their logo. Also, the Canucks' AHL minor-league affiliate happen to be the Chicago Wolves, although they have a logo completely separate from that of the Canucks.
During the Tooth Fairy's first assignment, he makes his escape on the boy's skateboard. As we see him heading down the hallway, he is as tall as a low table, but seconds later, he is clearly still only six inches tall.