Continuity mistake: Velma counts off the clues on her fingers close to her face, but in the next shot her hands are at her side.
Continuity mistake: Velma is facing to her right as she holds the engraving plate, but the next shot she is facing left.
Continuity mistake: Shaggy's hands on the violin case change positions depending on whether the case is open or closed.
A Gaggle of Galloping Ghosts - S1-E11
Continuity mistake: In the Mystery Machine, Daphne is seated close to Fred, but the next shot shows her alone.
Continuity mistake: After the villain is caught, Scooby is in the theater rafters, but his spots are missing.
Continuity mistake: The background houses and fences repeat as Shaggy and Scooby carry their pizza home.
Continuity mistake: While Scooby and the gang speak with the doorman, Scooby's spots disappear.
Bedlam in the Big Top - S1-E10
Continuity mistake: The opening scene shows the clown overlooking the circus tent from a clear bluff, but the closeups show the clown hiding behind bushes.
Bedlam in the Big Top - S1-E10
Continuity mistake: Max the Midget rides Scooby into the middle of the Mystery gang, but the next shot shows Max and Scooby standing apart from the gang.
Bedlam in the Big Top - S1-E10
Continuity mistake: After meeting Mr. Barnstorm, Fred is driving the Mystery Machine from the passenger side, but the next shot from the front view shows Fred driving from the left (driver's) side.
Bedlam in the Big Top - S1-E10
Continuity mistake: Mr. Barnstorm is close in with the gang looking at the ghost clown in the cage, but the next shot shows Mr. Barnstorm alone.
Bedlam in the Big Top - S1-E10
Continuity mistake: The baggage on the back of Samson's tandem bike change colors as the scene plays out.
Bedlam in the Big Top - S1-E10
Continuity mistake: The darts the clown throws at the balloons disappear after popping a balloon.
What the Hex is Going On? - S1-E6
Continuity mistake: Shaggy is seen holding a multiple folded piece of paper in a left side shot of The Mystery Machine, but the paper has disappeared in the next shot of the gang through the windshield.
Continuity mistake: In a full view of the Scooby and the gang in the Sheriff's office at the end of the episode, Velma is sitting on a chair and you can see there is nothing beside her, but after a quick cut of the Sheriff, we return to Velma and Shaggy and a filing cabinet has suddenly appeared.
Continuity mistake: When Shaggy asks the gasman if he has any wheels he can borrow, Shaggy is wearing his disguise kit. When we see him on the moped just a few seconds later, he is now back in his normal clothes.
Continuity mistake: In a shot of Fred, Daphne and Velma in the Mystery Machine, Fred announces that they are at Beach Boulevard and you can see that Velma has nothing on her head. But after a quick cut to the radar, we return to Velma and she is now wearing her earphones.
Continuity mistake: When Fred is standing by the slingshot, you can see Velma, Daphne and Shaggy are standing behind him, but in the next shot they have all disappeared.
Continuity mistake: When Scooby bites Shaggy to help him to pull the lever, Scooby's dog collar is blue, but a few seconds later the collar is red.
Continuity mistake: When Shaggy is running after the van after Scooby is captured, he is holding the cut-off lead in his left hand. When Shaggy approaches the man at the gas station, he no longer has the lead.
Chosen answer: A ghost wouldn't have to keep any food in the fridge - they don't need to eat. So it is one thing that proves the ghost is not a ghost.