When Philip Smith goes on the phone and asks for his mom to pick him up, the phone switches from the right ear to the left ear.
Jim and Philip Smith are in frame, when Philip shows Jim the Snix mask. When Philip goes to put on the Snix mask, Jim has disappeared.
"Legend" is misspelled in the epilogue text: "The mask of Snix was burned up to end the legened forever."
Before the Jaws-like theme starts up over a black screen, you can hear the actor questioning the cameraman: "Are you recording?"
Jennifer Moore breaks character and asks the cameraman (James Rolfe) to cut, when she's about to open the closet door saying: "Hold on, Jim. Stop."
Before the sock attacks Philip Smith, the cameraman tells the actor that the camera's recording - just as a cue for him.