Continuity mistake: When Daffy gives Porky his card, Porky holds it with both hands but a close-up of the card shows him holding it with only one hand.
Continuity mistake: When Porky opens the door and finds Daffy dressed as a clown, the front of the door is blue but in the next shot changes to green.
Continuity mistake: When Daffy is playing "I'm A Cowboy" with Porky, he falls off Porky with his cowboy hat on, but when Daffy crashes into the safe, his hat has disappeared.
Daffy Duck: Yes, sir. Daffy Duck, personal representative of the biggest discovery since the Sweater Girl. He's colossal! Stupendous! One might even go so far as to say... he's mediocre. I give you that paragon of pep and personality, Sleepy Lagoon.