Continuity mistake: When the gang try to set a trap for the Phantom in their dressing room, it doesn't go right and Shaggy runs to the couch scared. There is a conventional clock behind him on the wall, the hands showing 1:10. It cuts to a view from inside the closet and suddenly it shows 1:15, the minute hand jumping from the 2 to the 3. (00:43:00)