Prest-O Change-O

Prest-O Change-O is a 1939 Merrie Melodies cartoon directed by Chuck Jones, and first released on March 25, 1939 by [http://en.wikipedia.org/wiki/Warner_Bros. Warner Bros.] It marks the second appearance of the prototype of Bugs Bunny, the only such cartoon where the prototype loses, and the prototype's only cartoon to fall into the public domain.

Synopsis
Two rogue dogs are being pursued by a dog catcher until they hide in an abandoned house. There they encounter a trunk owned by Sham-Fu, the magician. They open it, and all manner of magic tricks come out of the trunk, including his pet rabbit. The rabbit tricks the two dogs repeatedly, causing them endless frustration, until he is bested by the bigger of the two dogs who bops him to a lampshade.