Just before Bugs' second curtain scene, we see a piece of scaffold that says "Clampett Trained Seals", a reference to artist Robert Clampett.
Bugs ends the cartoon saying "I got a million of 'em!" That's a well-known Jimmy Durante catch phrase.
This is the first Bugs Bunny cartoon to use the song, "What's Up Doc?" during the title sequence.
Bugs and Elmer are still in their early transitional appearances, with Bugs having notably pinker ear innards and a more wisecracking demeanor, while Elmer is less of a caricature.