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
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.
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.
Continuity mistake: When the Witch Doctor opens the crate and Scooby walks out, you can see the dog tag on Scooby's collar has nothing on it, but in the next shot the letters "SD" have appeared.
Continuity mistake: When Shaggy is telling Fred about his encounter with the Ghost of Geronimo, look at the Mystery Machine behind them and you can see the additional equipment is missing.
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.