Revealing mistake: When the businessman rushes back into his bed after closing the window that Daffy opened, he is wearing his normal trousers.
A Pest in the House (1947)
1 revealing mistake
Directed by: Chuck Jones
Starring: Mel Blanc, Arthur Q. Bryan
Audio problem: When Elmer pushes the bell on the reception desk at the end of the cartoon, Daffy turns up and says "Yes, sir?" but his beak doesn't move.