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Revealing mistake: Near the beginning, there is a Muppet sitting on the edge of a building with a large cup in its hand. As it raises the cup, a wire is visible, aiding the raising.

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Revealing mistake: As the ghost of Christmas present is finishing "It feels like Christmas", the camera starts to crane up. Look to the far right. The forced perspective effect starts to become noticeable with the background row of buildings. There are people that are slowly walking down that street and you can tell they don't get smaller as they should. Director Brian Henson said they were hoping people wouldn't notice the error.

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