This series of animated cartoons- sometimes including bits of live action- took popular songs of the day and combined the popular "bouncing ball" following the lyrics in an effort for audience sing-along's. "Let's All Sing Like the Birdies Sing" sung by Artie Dunn and Les Reis.
Father, son Kentaro and daughter Ochiyo, who live on the banks of the Sumida River, regain their love for each other after family discord and separation.
This is a minor variation on the story of the Boy Who Cried Wolf where Oswald the Lucky Rabbit tends a couple of lambs who tease him by crying 'Wolf! Wolf!' until the real article shows up.