A Snowy Day - S1-E10
Other mistake: When Mailbox comes in, he shakes some snow onto the chair. When Steve brushes it off, the snow stays visible on screen, then disappears mid-shot. (00:17:43)
Blue's Clues (1996)
1 other mistake in A Snowy Day - chronological order
Starring: Aleisha Allen, Steve Burns, Seth O'Hickory, Traci Paige Johnson
Continuity mistake: The package Steve received from Mailbox is briefly visible before Mailbox comes in. You can also see a crew member's hand holding the package as Steve grabs it.
More trivia for Blue's Clues