Mine Your Own Business - S1-E4
Continuity mistake: Daphne's scarf is green when she is sitting in the Mystery Machine, but when she with the gang at the entrance of the Gold City Guest Ranch, her scarf is now purple.
Mine Your Own Business - S1-E4
Continuity mistake: In a shot of the Mystery Machine driving through the Ghost Town, Shaggy is looking out of the window, but inside the machine, he is now looking at Fred.
Mine Your Own Business - S1-E4
Continuity mistake: When Scooby sees a man behind the door he has opened, the door knob has a lock, but when Shaggy opens the door and sees nothing, the lock is missing.
Mine Your Own Business - S1-E4
Audio problem: When we see the gang in the Mystery Machine at the beginning of the episode, we hear Fred and Shaggy speaking, but their mouths are not moving.
Mine Your Own Business - S1-E4
Continuity mistake: When Scooby pulls off the boots and falls down below, the stilts are short, but a couple of shots later they are longer.
Mine Your Own Business - S1-E4
Character mistake: When Shaggy and Scooby order Sarsaparilla at the saloon, Scooby says "Two" but he appears to be holding up three fingers.
Mine Your Own Business - S1-E4
Continuity mistake: When Scooby holds up two apples while he is sitting in the trough, his nose changes colour to brown briefly.
Mine Your Own Business - S1-E4
Other mistake: When Daphne asks "What do we do now?", her lips are higher than they should be.
A Night of Fright is No Delight - S1-E16
Continuity mistake: When Scooby and Shaggy pull the corks on the bottles on the wine rack, the rack holds four bottles on each row, but when Shaggy runs off, there are now three bottles per row.
A Night of Fright is No Delight - S1-E16
Continuity mistake: When the gang meet up and Daphne says that they've got rid of the ghosts, there is a stand behind them, but in a close-up of Velma and Shaggy, a blue chair appears and there is now a candle holder on the wall.
A Night of Fright is No Delight - S1-E16
Continuity mistake: When we first see Scooby with Shaggy at the beginning of the episode, Scooby's collar tag has a blue diamond on it. When we see Scooby a little later on, the diamond has changed to "SD."
A Night of Fright is No Delight - S1-E16
Continuity mistake: In a full view of the gang on the boat at the beginning of the episode, Velma is reading a newspaper and behind her is Daphne, Scooby and Shaggy. But in a close-up of Velma in the next shot, they have all disappeared.
A Night of Fright is No Delight - S1-E16
Continuity mistake: When Creeps plays the record, it is placed on a phonogram on a table. But after the message has finished, Creeps is holding the record but the phonogram and table are nowhere to be seen.
A Night of Fright is No Delight - S1-E16
Continuity mistake: When Shaggy takes out his sandwich, the goldfish bowl next to him is empty. When he grabs the box of fish food, the bowl now has water and a goldfish in it.
A Night of Fright is No Delight - S1-E16
Continuity mistake: When the goldfish snaps at Shaggy for taking his fish food, there are some rocks at the bottom of the bowl, but when Shaggy says "Sorry" and puts the box down, the rocks have disappeared.
A Night of Fright is No Delight - S1-E16
Continuity mistake: When Fred is reading his book in bed, he is wearing his pyjamas, but when Fred says "You got to be kidding", he is wearing his regular clothes, and when he, Scooby and Shaggy go back into the bathroom to inspect the bathtub, Fred is back in his pyjamas again.
A Night of Fright is No Delight - S1-E16
Continuity mistake: When the gang peek out of their rooms after hearing spooky noises from Cousin Simple's room, Fred is wearing his regular clothes, but in the next shot he is wearing his pyjamas.
A Night of Fright is No Delight - S1-E16
Continuity mistake: When Shaggy notices footprints in the ground in the cave, he is standing behind Velma, but in a close-up of Velma in the next shot, Shaggy has gone.
A Night of Fright is No Delight - S1-E16
Continuity mistake: When Velma tells Shaggy that they are going to follow the Phantom Shadow's footprints, her glasses have no lenses in them, but they re-appear in the next shot.
A Night of Fright is No Delight - S1-E16
Continuity mistake: When the flying uniform chases Scooby, Shaggy and Velma, the shoulder strap changes shoulder whenever the uniform changes direction.
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.