What's New, Scooby-Doo? (2002)

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)

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Ready to Scare - S3-E5

Fred: Well... Let's set a trap! Now, let's see. Shaggy said the gargoyle is ticklish. So we need a whole lot of feathers, of course some dynamite and three catcher's mitts.
Velma: I have an easier trap.
Fred: What could be easier than feathers and dynamite?
Velma: Anything.

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Big Scare in the Big Easy - S1-E4

Question: Why did Daphne take off her shoe?