Bosko is a construction worker who impresses Honey by making music from everything in sight, including a decapitated mouse, a typewriter and a goat filled with hot air.
The music-happy Bosko and Honey take a car ride, but bad luck briefly interrupts their fun.
Late at night, the mice come out and sing and play to the title tune, among others. That is, until the cat arrives, but he's quickly sent packing.
Bosko is a Mountie in the cold, snowy north. His sergeant demands that he get his man: a peg-legged villain wanted dead or alive.
A cartoonist draws Bosko, who promptly comes to life.
A streetcar conductor, Foxy has adventures with a would-be passenger hippo, a cow blocking the tracks, and a runaway train while Foxy, his passengers, and some hobos sing the title song.
Wile E. Coyote tries to outsmart Road Runner with his painting skills.
Among the strategies that fail in Wile E. Coyote's attempts to catch the Roadrunner: glue on the road, a giant rubber band, an outboard motor in a wash tub, and dressing in drag as a female Roadrunner.
Bosko enters his dog, Bruno, in a dog race.
Bosko is a brave little boxer who battles the champion, Gas House Harry. The enormous brute proves a bit much, even for a plucky underdog. Some of the animation is later reused in "Bosko's Parlor Pranks" by M.G.M. in 1934.
While ice-skating on a frozen pond, Bosko and his dog discover a baby abandoned in the snow.
Honey is trying to teach the violin to Wilbur, the one who hates music. Honey calls Bosko over. Bosko and Honey sing, dance, and play music while Wilbur continues to express its disdain.
Bosko, Honey, and Bruno spend a day at the beach.
Piggy picks up his girlfriend and takes her to a theater where a hot jazz orchestra is playing.
Bosko is a doughboy in the Great War. Bullets and bombs are everywhere. (A bomb even blows up the title card.) Bosko and his fellow infantrymen are hardly safe in their trench. Bosko is happily eating from a pan full of beans when a bomb hits the pan and destroys his meal. Bosko misses Honey; he pulls out her picture and kisses it. A cannonball tears through it, making her head a gaping hole. Now Bosko is angry. He vows revenge but the moment his helmet appears above the trench, it’s hit with dozens of bullets, knocking him back down. Another soldier briefly cheers him up with harmonica music. Bosko gets his chance to be a hero when his buddy swallows a cannonball.
Foxy the Cop is trying to enforce the law in town, but dangerous drivers and strangers who also kidnap Roxy are making this difficult.
Bosko is a soda jerk, who gives poor service to a mouse and to his former schoolteacher. Later, he must contend with Honey's bratty Wilbur.
The old toymaker goes to sleep, and his toys immediately come to life and sing "Red-Headed Baby." A red-haired baby doll begins the song. She's soon joined by her sweetheart, a toy soldier named Napoleon. A spider briefly spoils the fun when he descends upon the toys and grabs the doll. It's up to Napoleon to save her.
Piggy and Fluffy have adventures on a riverboat and Uncle Tom is chased by skeletons promising to take him to Hallelujah Land.
During the Great War, Bosko and a fearsome beast are in a dogfight. Bosko loses, but that's only the first battle.