Continuity mistake: When the cat was chasing Clumsy at the bench, Clumsy fell at the Anjelou box, and then Patrick suddenly covered the box with another box making Clumsy's box under that box. But at Patrick's apartment, Clumsy's box was at the top since he was peeking from it without any box at the top. (01:12:50)
Grouchy: Where the Smurf are we?
Gutsy: Up the smurfin' creek without a paddle, that's where!