Visible crew/equipment: When Rock is learning to fly, the top of the cyclorama wall is visible and the top of his flying rig harness is very visible with attempts to blur by post production on only some parts.
Character mistake: Dwanye Johnson is called onto the ice, the first thing he does is throws a player through a glass pane. The player looses a tooth. The close up shows that the tooth is a molar, but the commentators say, seconds later, "Ohhh that's an incisor!" (00:01:00 - 00:02:35)
Derek Thompson: I'm the Tooth Fairy.
Randy: Thought you said you were a vampire. You got some inconsistent mythology.
Trivia: When the goalie is scared away by Billy Crystal during the end credits, he yells the Wilhelm scream.
Answer: It was all Black Market merchandise. Usually not of any good use; total rip-off.