Revealing mistake: When Webby and the others are standing outside of the window watching Scrooge pace back and forth in anger, she casts no shadow on the patio. This is revealed when she moves left at one point. (00:28:50)
Continuity mistake: After Mrs. Beakley drags Scrooge upstairs to see Webby's elephant, notice how the bookshelves near Scrooge's right side go into disarray from one frame to the next, and most of the books vanish as well. (00:25:30)
Audio problem: In the final scene where Scrooge chases Dijon out of his money bin, Scrooge shouts, "I'll change your face, you thief," but his mouth isn't even open. (01:09:10)
Continuity mistake: When Duckburg Daily News calls Scrooge for information about Collie Baba's treasure, he slams the receiver down and says "None of your business." Then, in between shots, the receiver rotates 180° on its own. (00:19:05)