Mine Your Own Business - S1-E4
Continuity mistake: When Shaggy pushes Scooby into the abandoned hotel, there are two spots on Scooby's back, but after a quick cut to the gang standing outside the doorway, we return to Scooby and the two spots have disappeared.
Mine Your Own Business - S1-E4
Continuity mistake: When the gang opens the safe inside the old hotel, revealing the secret elevator, they are standing inside a large lobby, but when Daphne is attempting to coax into the elevator with Scooby Snacks, the lobby has gone and is now replaced by a wall.
Mine Your Own Business - S1-E4
Continuity mistake: Velma initially has nothing on her lips during the scene where Hank is showing the gang their rooms, but when Hank says "The Miner Forty-Niner", we cut back to Velma and Daphne and lipstick has now appeared on Velma's lips.
Mine Your Own Business - S1-E4
Continuity mistake: When Hank is showing the gang their rooms, Scooby has two dots on his back, one large and one small. Later on during the scene, the small dot has decreased in size.
Mine Your Own Business - S1-E4
Continuity mistake: When Fred asks Big Ben if he has any rooms available for the night, Daphne's eyes are drawn higher, drawn underneath her bangs, making her look off-model.
Mine Your Own Business - S1-E4
Continuity mistake: When Big Ben opens the door of the Gold City Guest Ranch, the door is red, but when we see Big Ben holding the door in the next shot, the door is now dark brown.
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
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
Continuity mistake: When Scooby holds up two apples while he is sitting in the trough, his nose changes colour to brown briefly.
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.
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.