Continuity: In the cavern, Scooby and Shaggy dig holes in the ground. The rest of the group notice a truck drived by the Pterodactyl going toward them. Discs and cassetes fall from it. The shot later, the stones behind them have disappeared and the pile of discs have a different shape.
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Hang in There, Scooby-Doo (season 2, episode 3)
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