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Visible crew/equipment: As Steve skidoos back home from the present store, a boom mic is visible above his head.
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What Game Does Blue Want to Learn? - S2-E15
Continuity mistake: When Steve and Blue are in the felt frame playing Tic Tac Toe, the X on his shirt is larger but as he skidoos back home, the X is smaller.
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Steve Gets the Sniffles - S2-E1
Other mistake: During the mailtime segment, as Mailbox moves closer to Steve, a big chunk of him is cut off. (00:12:50)