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.
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.
Continuity mistake: When Steve sings the Blue's Clues theme, he is wearing tan shoes he wore in few other episodes. When he drops his notebook after the theme, he is back in his brown shoes.
