That's HANAKAPPA Musical: Bread or Rice, Which Is It!?(2013)

Original title: ザッツ・はなかっぱミュージカル パンとごはん、どっちなの!?

When Momo Kappa and Ageru demand to know whether he prefers bread or rice, Hana Kappa accidentally blooms a flower that transforms them into a panda and a pig! Worse yet, a single wink from either of them turns his other friends into animals, too. Can Hana Kappa find a way to fix this musical mess? Sing and dance along in this fun HANAKAPPA short!