Continuity mistake: When the dancer is sitting on Michael's lap, she messes up some of his hair, causing it to stick up. In the next shot, his hair has fixed itself.
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Continuity mistake: The dancer is eating some M&M's on Pam's desk. In one shot, there are some M&M's on the table in front of Pam. In the next, they are missing.
Continuity mistake: When Angela is listening to Ben Franklin talk about flying his kite, her drink is near her lap, but in the next shot she's taking a sip from it.
Answer: In the 2007 episode "Ben Franklin" when Jim is talking to Pam there is a candy bar with a purple wrapper that says "Picar-" I assume picaroon, it's hard to see past Pam. I found this trying to investigate what that candy bar is lol.