Directed by: Raja Gosnell
Starring: Matthew Lillard, Rowan Atkinson, Sarah Michelle Gellar, Isla Fisher, Linda Cardellini, Freddie Prinze Jr.
Visible crew/equipment: During the film, set lights and reflectors can been seen reflected in Daphne's sunglasses and Velma's glasses numerous times, especially in closeups. (00:16:15)
Visible crew/equipment: When Shaggy and Scooby are riding the quad bikes, they stop to pick up Mary-Jane. They then ride off, and one man jumps athletically into the air, to try and catch them, revealing knee-pads under his shorts to protect him when he falls to the floor. (00:48:10)
Continuity mistake: When the monster comes out of Daphne's body, Velma runs to the window and her right hand is about to open the blind (she holds the string). When the shot cuts to Daphne, we can see the lower part of Velma's body in the background with both of her hands down (doing nothing). When the shot cuts to Velma again, her right hand is up and about to pull the string. (00:53:35)
Question: When the gang kicked Scrappy out, how did he get to Spooky Island and learn about the Daemon Ritus?
Answer: It's never explained. We're just left to assume he was somehow able to.