Continuity mistake: When we first see Elmer with his Wabbit Detector, you can see the box has a knob at the corner of it, but when we see a close up of Elmer turning the knob, it has moved further up.
Continuity mistake: When Elmer chases Bugs from the balcony to a different theatre, you can see that Elmer's hunting suit is brown but when he enters the enters the theatre his suit is now green.
Trivia: When Elmer reports to the box office, look in the background and you can see a poster for a film entitled "Backwash." The star is Pete Burness, an American animator who worked for Warner Brothers.
Trivia: When Bugs puts up his hand to fetch a taxi, there is a billboard saying "Try Friz The Wonder Soup" - a reference to the Warner Brothers director Friz Freleng.
Trivia: When the usher throws Elmer out of the movie theatre for going into the Ladies' Lounge, there are two buildings with the names of Warner Brothers animators on the roof. The building on the right reads "H. Love Insurance" (Harry Love), whereas the building on the left reads Batchelders (Warren Batchelder).