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 film opens with Bosko taking a bath while whistling "Singin' in the Bathtub". A series of gags allows him to play the shower spray like a harp, pull up his pants by tugging his hair, and give the limelight to the bathtub itself which stands on its hind feet to perform a dance.
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.
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 and his porcine friend are hobos in a runaway boxcar.
Bosko has a grand time on the farm, dancing with a cow, playing a horse's tail like a violin and getting drunk with three pigs.
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.
Bosko and Honey go on a picnic that ends badly.
Bosko fishes, and sings and dances with frogs. But two ladybugs use a wasp as an airplane, and a beehive and tree branch as a machine gun to drive him away.
Bosko and Honey yodel happily in the Alps until a series of disasters end with Honey rushing downriver on an ice floe.
Bosko hunts in the jungle, but ends up playing music with the animals.
An old man is reading a book by the fire. The clock strikes 8, and he heads off to bed. From his book, Alice in Wonderland, out crawls Alice, who turns the radio to the title tune. This wakes up Rip Van Winkle; Alice then rouses the Three Musketeers, who sing a bit. Next tune: Nero fiddles, Rome burns, and Cleopatra sizzles in a slinky dance. Uncle Tom sings a spiritual as Mr. Hyde sneaks up and abducts Alice. Tarzan to the rescue, along with several other characters who mount a spirited attack using such office supplies as pen points, matches, and a fountain pen. They box him up and carry him off.
A bee returns home late after a night out having too much honey. His wife leaves him, but quickly ends up in the clutches of an evil large predator.
An American Indian boy and girl sing and dance in the forest along with the animals. Trouble begins when a fire threatens baby birds in their nest.
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.
Original short that introduced Bosko, never released. Producer-directors Hugh Harman and Rudolf Ising showed it to various studio executives as a pilot for the Bosko character.
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.
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.
Bosko enters his dog, Bruno, in a dog race.