Trivia: The first appearance of Elmer Fudd in a Warner Brothers cartoon.
Trivia: The book that Bugs is reading at the start of the cartoon is authored by "Burton" - a reference the Warner Brothers production manager, John Burton.
Trivia: Look at the flag on the tail of the bizarre animal which the animator re-draws Daffy as - it reads "screwball."
Trivia: The first Tom and Jerry cartoon to win an Academy Award for Best Animated Short Film.
Trivia: The "Instant Girl" jar that Daffy Duck picks up towards the end of the cartoon credits the "Pierce Packing Co." This is a reference to Tedd Pierce, the writer of this cartoon.
Trivia: This was the first Warner Brothers cartoon in which Bugs Bunny was named.
Trivia: The billboard that displays the cartoon's title at the start has "Selzer Sign Service" on the top of it - a reference to the Warner Brothers producer, Eddie Selzer.
Trivia: There is no dialogue in the short, apart from a mutual "Gesundheit!" at the very end.
Trivia: The cartoon ends with no "That's All Folks!" title card. Just "Merrie Melodies: A Warner Bros. Cartoon. A Vitaphone Release" on a black background.
Trivia: When Cecil Turtle shows Bugs Bunny a blueprint of his turtle shell, look at the bottom right and you can see the name "Michael Sasanoff." Sasanoff was Robert Clampett's layout artist.
Trivia: When Claude Cat flies up above the elevated train tracks, there is a sign in the background saying "Don Foster for Mayor." Foster was an artist who designed many of the lobby cards for Warner Brothers.
Trivia: At the beginning of the cartoon, we see a long line of books at the book shop. The last book we see is entitled "Life and Times" by Bugs Bunny.
Trivia: When we see Bugs Bunny for the first time, behind him on the ballpark fence there is a picture of a man with a gun and a detective hat with the words "Mike Maltese, Ace Dick" written nearby. Michael Maltese was the writer for this cartoon.
Trivia: The box that holds all the captured chess pieces shows Pixar Studios' old address, or the address they had at the time of this film.
Trivia: The final Tom and Jerry theatrical cartoon produced or directed by William Hanna and Joseph Barbera.
Trivia: This was the first non-Disney film to win the Academy Award for Best Animated Short Film.
Trivia: When Cluck Trent (Daffy) takes a break from writing, he pulls out from his pocket a box of "Dr. Pierce's Mild Pills" - a reference to the Warner Brothers story writer, Tedd Pierce.
