Continuity mistake: When the gang are on their hotel bed researching the Phantom, Velma says she thinks someone is using the old stories to take advantage, and looks over at Fred. It cuts to a slightly closer angle, and suddenly she is looking straight at her laptop again. (00:24:35)
Continuity mistake: When Fred and Daphne stumble across Mel Richmond, they open a door and startle each other. They talk for a moment, and each time the camera changes angles, Mel is suddenly further out the door without moving, and Fred and Daphne keep moving back without moving. (00:17:15)
Continuity mistake: After the Phantom gets away from the Gang the first time, they head outside and Velma tells Shaggy and Scooby to go to the library to do research. Shaggy puts his hand on the back of Scooby's head. It cuts to a different angle for Shaggy to ask why, and suddenly, weirdly, his hand is hovering over and on Scooby's eye. (00:13:35)
Continuity mistake: Fred and Daphne chase after the Phantom and find a prop storage room that the light won't turn on in. They walk in and go past a row of axes. Fred walks past them fully with Daphne almost there. Then the angle cuts and they are walking by them again, and get past the axes. The angle changes again to show a hand push the axes and suddenly Fred and Daphne are in front of the axes again and have to run out of the way. (00:11:40)
Continuity mistake: After Shaggy and Scooby try to impress Brick with a juggling act, they hear a scream and Scooby jumps into Shaggy's arms. They instantly turn around in the hallway, facing the other direction, as you can tell by the arrangement of the furniture changing sides of the hall and the equipment being in front/behind them. (00:10:30)
Continuity mistake: In the back of the Mystery Machine, Fred and Daphne are talking and Fred strums on his guitar. He then reaches up to turn one of the tuners on it and then it cuts to a close up of him. Suddenly his arm is down and he's not tuning the guitar. (00:02:10)
Continuity mistake: As the Gang is walking up to the opera house where Talent Star is being held, the floor above the stairs is a solid shiny piece from the back angle. But when it cuts to an overhead view, there are suddenly tiles. (00:05:55)
Continuity mistake: When the gang are driving the Talent Star, Velma is reading a Chicago Travel Guide, and on the spine of the book it says Chicago in big red letters. The distance between he C of Chicago and the edge of the spine keeps changing between shots. It seems most noticeable after Velma brings up the Soap Diamond. (00:03:10)
Continuity mistake: After the Phantom swoops down and snatches the clipboard from Dewey, he races to the edge of the stage and has his arms bent at the elbows and facing forward. It cuts to a frontal view of him, and suddenly his arms are crossed as he is shaking in fear. (00:01:20)
Continuity mistake: When the Phantom knocks down the Talent Star logo, Dewey is standing on the right side of the star point that is broken. But when the Phantom grabs the rope and swings down at Dewey, he is suddenly on the left side of the broken star point. (00:01:15)
Continuity mistake: After the Phantom appears and knocks the Talent Star logo down to smash on the stage, Dewey looks up in shock and has his mouth wide open. It cuts to a close up as he sees the Phantom and he instantly has his teeth shut and chattering. (00:01:05)
Continuity mistake: Dewey complains about the trash in the trash can being dirty and the camera cuts back to a distance shot of the stage. When it does, Dewey is walking away from the can. It cuts to a different angle and suddenly he is standing still and close to the podium. (00:00:50)
Continuity mistake: After Dewey complains about the trashcan, the view of the stage changes and suddenly the podium has moved from the center, off to the side. (00:00:45)
Continuity mistake: While dusting off the stage podium, Dewey sees some men walk by leaving a trail of dirty footprints on the stage. He gripes at them and bends down and begins whipping at one of the foot prints. As he does, another guy goes guy wheeling something along that leaves a dirty trail of wheel prints as well as his own footprints between the two lines. This new set is beside the other set of footprints Dewey is already cleaning. It then cuts to an overhead view, and suddenly the first set of footprints vanishes, and Dewey is suddenly in the same position, but cleaning a footprint in the second trail. (00:00:35)
Continuity mistake: As Dewey is dusting off the podium on the stage, his other hand is hovering above it. When it cuts to a close up of him, suddenly his other hand is resting on the podium. (00:00:20)
Continuity mistake: As Dewey is standing at the podium on the stage, watching the crew prep the stage for the show, there is a girl standing next to him writing on a clipboard. At first, she is facing towards him and appears to be about level with him if not standing slightly in front. It cuts to a different angle and suddenly she is facing away from him and is about behind him. (00:00:20)
Continuity mistake: After the movie starts, the stage inside Talent Star is shown. The crew of the show are hanging the large Talent Star logo above the stage. Between the close up and when the camera cuts to a distance shot of the logo, the circular lights all around the edges of it change in amount. Some sides of the star have more, some sides have less. (00:00:15)
Continuity mistake: As the movie starts, the camera zooms in on the Talent Star building, showing the sign for Talent Star displayed at the top. The large stars on the sign are complete, having all their points. But when it cuts to a close up, suddenly the point of the center star at the top is cut off. The stars also seem to be further apart and the stars on the right and left become a little smaller. (00:00:10)
