Continuity mistake: When Bugs takes the gift from Elmer at the end of the show, you can see a settee behind him, but when we see a close-up of Bugs in the next shot, the settee is missing.
Continuity mistake: When Elmer takes Bugs to the stage to begin the show, you can see Elmer has nothing in his hand. But when Elmer asks Bugs if he's really surprised, he is now holding his red book.
Continuity mistake: When Elmer says "Tell us about your life, Bugs", you can see that Bugs has his hands on his knees, but in the next shot his hands are clasped together.
Continuity mistake: When Daffy asks Elmer to read out his name on the red book, you can see that he is holding the book with his hands facing him, but in the next shot he is holding the book with his thumbs in front of him.