"Hyde and Hare"

Bugs Bunny gets himself adopted as a pet by a kindly soul who has been feeding him carrots every day. Bugs' friend turns out to be Dr. Jekyll who drinks his evil potion and turns into a monster.

Hyde and Hare is a 1955 Warner Bros. Looney Tunes cartoon, directed by Friz Freleng. The short was released on August 27, 1955, and stars Bugs Bunny.