Errores

When they're tossing the hitchhiker out the back of the van, there's a lot of light behind them, possibly from another car. In the next shot, after the hiker is gone, the light is no longer there.

When the 18-wheeler truck cut in front of Teddy's minivan, the doors of the trailer swing open to reveal its scary contents. A minute later, when they show the back of the trailer again, the doors are closed and locked.

The cut Fweddy puts in Stan's shirt disappears.

When Stan Helsing is hitting the hockey kid, the kid's hockey bat disappears and then reappears in the last shot.

When Stan is hitting Mason (Jason) in the yard, you can tell he is hitting him with a fake board - it wobbles.

Although the movie is set in Los Angeles, the speedometer of the minivan is marked in Canadian kilometers.