Pochacco's birthday isn't turning out as planned. His friends seem to have forgotten it, even though they promised him a party. Then he has to make a daring rescue when a nest of eggs is washed away into the river. But once the chicks are hatched, the most wonderful celebration ever awaits them all.

子供たちに人気のサンリオキャラクターエピソードシリーズ。2月29日生まれのポチャッコの誕生日。ポチャッコは張り切って友達の家へ行くが、みんなの態度は冷たい。