 CONT: At the end of the film when the gang meets their cyber  counterparts, you can tell the real Scooby from the cyber Scooby by  the color of their collars (red and blue). There are a couple of  errors, however. In the scene where the monster goes over the water  flume, both Scoobys wear a red collar in one shot. In a later scene,  when the gang stands outside the arcade, Scoobys collar changes  from red to blue between shots.