Large Dragon at Large - S2-E10
Continuity mistake: To catch Ripley, Fred uses the remote to bring the draw bridge up. But Ripley manages to scale the bridge before it gets all the way up and falls into the moat below. As he surfaces, the draw bridge is instantly and suddenly down all the way again as the gang rush out onto it. (00:18:25)
Continuity mistake: When the gang arrives at the fashion show, they park the Mystery Machine at the end of the walk way. But when the head of the fashion show is shown, the Mystery Machine has vanished. (00:03:05)
Large Dragon at Large - S2-E10
Continuity mistake: Sledding down the stairs on a shield, Velma, Shaggy, and Scooby are trying to escape the dragon hot on their tails. Velma grabs a spear from a coat of arms on the wall, but when the shot cuts back to her about to shove it in the dragon's mouth, the coat of arms vanishes when they were just passing by it. (00:16:25)
Continuity mistake: There is nothing on the runway as the gang is standing on it at the fashion show place. But moments later, they look down and the pile of crushed limestone just appears. (00:04:15)
Large Dragon at Large - S2-E10
Continuity mistake: As Fred is trying to pull Excalibur out of the stone, it has a green diamond on the blade. It cuts to a close up and the diamond vanishes. (00:04:45)
It's All Greek to Scooby - S2-E13
Continuity mistake: When the gang gets to Santorini, the centaur shows up again and they take off to the right following the wall. Then the 'old maniac Moped guy' comes at them from the right going left. So they are going right, the Centaur is behind them to the left, and the Moped guy is to the right. So they go into a doorway between them. The Moped guy comes from the right and goes to follow, then suddenly the Centaur comes from the right also, when he was on the left. (00:16:40)
Large Dragon at Large - S2-E10
Continuity mistake: After Daphne touches the dragon's tail, Shaggy and Scooby take off and run into one of those coffin like things with spikes on the inside for torture, to hide. As they go in, you can see the spikes on both sides, and there is nothing else in it. But when Shaggy turns on a flashlight, you can see the spikes to their back have vanished, and a skeleton appears. (00:15:50)
Large Dragon at Large - S2-E10
Continuity mistake: Just before Scooby and Shaggy rip up from their holders, the lock on it has vanished. (00:08:05)
Continuity mistake: When the gargoyle swoops down to grab Danica, the floor keeps shifting around under her as the camera zooms in. The tracking of her body to the floor is way off. (00:00:40)
It's All Greek to Scooby - S2-E13
Continuity mistake: As the camera pans down to show a Greek play being staged, the two figures in the center of the stage have their backs to the audience. It cuts to show the gang in the front row and suddenly the guy shown is facing the audience. (00:04:30)
Continuity mistake: After the French movie star kisses Velma's hand, she holds it out and gasps in star struck stupor, with her palm out. The shot cuts to a wider shot and suddenly it's palm in. (00:12:20)
It's All Greek to Scooby - S2-E13
Continuity mistake: When Fred is saying he is trying to find the word "run" in Greek, he is looking to his left at Daphne. It cuts to an overhead view as Shaggy begins speaking and Fred's head is instantly looking to his right at Shaggy. (00:05:30)
It's All Greek to Scooby - S2-E13
Continuity mistake: As Lysander reaches into the pool, he picks up a wad of mud and laughs. Before he finishes the laugh, he holds up his hands, holding a diamond now, which instantaneously has all the mud removed from it. (00:00:55)
It's All Greek to Scooby - S2-E13
Continuity mistake: When the gang is talking to Major Portsmouth, there is a guard sitting at a desk with his legs propped up on the desk. A lamp is on this desk. A few shots later when seen from above, the lamp has vanished. (00:07:15)
Large Dragon at Large - S2-E10
Continuity mistake: When Fred walks up to Excalibur, the design is different than when seen later after Shaggy and Scooby are scared by the dragon. The blade has designs on it, including a gold and green diamond shape, and the hand guard is curved. And the handle is wavy, with the end of it being a gray cone shape. Then after Scooby and Shaggy come running, it is shown again. Only now the shape of the blade is different, the gold and green diamond part have vanished, the hand guard is now just straight, the handle is not wavy, and the gray cone at the end has turned into a sphere. (00:04:35)
Large Dragon at Large - S2-E10
Continuity mistake: At the Feast of Fools, Velma and Fred begin talking next to a dragon ice sculpture. The angle changes to behind her, and the shape and design of the dragon completely changes. (00:09:40)
Large Dragon at Large - S2-E10
Continuity mistake: After the people start running away when the dragon arrives, Shaggy and Scooby are shown still locked up and the food splatters on their holders are there. A couple shots later, the food splats change around in position and color. And then moments later, the food vanishes from the wood all together. (00:06:55)
Large Dragon at Large - S2-E10
Continuity mistake: As Velma and Daphne walk up on either side of Ripley, they begin pouring drinks with blue pitchers. It cuts to a close up and suddenly it is just Velma already pouring a drink and Daphne is starting to. (00:10:25)
It's All Greek to Scooby - S2-E13
Continuity mistake: When the Greek man approaches them and starts shouting at them in Greek, the gang huddle up together, startled. The camera angle changes and instantly it is just Fred and Daphne together with the other three nowhere close. (00:02:25)
Large Dragon at Large - S2-E10
Continuity mistake: As Scooby and Shaggy are locked up for stealing the frozen bananas, the lock is placed on their holder hanging down straight. A couple shots later, it is now hanging out to the side and is smaller, most noticeably the lock hole is smaller. The lock hole also changes what side it is on. (00:06:40)
Answer: Because of the goo that was on it.