Mickey and Minnie are on a wagon train; they camp for the night, unaware that Indians have spotted them and are doing a war dance. The attack comes, and Minnie is captured.
Summertime, and Mickey takes Minnie on a picnic. While Pluto is chasing a rabbit, and Mickey and Minnie are doing a courtship dance, every animal in the woods is busy making off with their picnic food. And then the rain comes.
Pluto rescues a bag of kittens from the river. He feels rejected, then, as Mickey ignores him and blames him for damage the kittens do. His angel and devil sides argue with him. Pluto gets thrown outside. The kittens also find their way outside, and fall into the well, where Pluto's angel side wins out as he rescues them once again and is finally recognized as a hero.
Betty Boop hosts a Hallowe'en party with a few uninvited guests.
Mickey's orphans ask for a story; Mickey casts himself as Jack in Jack and the Beanstalk. He starts with the climbing of the beanstalk; after evading the giant a few times, he ends up inside a cheese sandwich, and then in the giant's mouth, where he ultimately grabs onto a pipe and gets pulled out by the giant. In the ensuing chase, Mickey launches a pepper bomb to slow the giant down, then outruns him coming down the beanstalk and sets the stalk on fire.
Mickey's film is having a premiere, and all the stars turn out at the Chinese Theatre. Among those shown: Laurel and Hardy, the Marx Brothers, Jimmy Durante, Clark Gable, Sid Grauman, Mae West. The picture, Galloping Romance (Pegleg Pete kidnaps Minnie, and Mickey gives chase on a variety of animals), starts, and everyone in the audience sways along to the music, then rolls in the aisles with laughter. After, everyone comes on stage to congratulate Mickey; Garbo smothers him with kisses.
Mickey's a shovel operator and laborer at a construction site; Minnie is delivering box lunches; Pete is the foreman. Mickey pays more attention to Minnie than to his work, and keeps having accidents (mostly involving the blueprints Pete is holding). Pete steals Mickey's lunch, so Minnie offers him one on the house. While he's eating, Pete kidnaps Minnie; Mickey fights him, but the tide turns when Minnie dumps a load of hot rivets into Pete's pants...
Mickey Mouse's new job at Tony's Pet Store is jeopardized when Beppo the Gorilla escapes and kidnaps Minnie. Mickey fights back with the help of the other animals in the store.
Mickey Mouse and his friends stage their own production of Harriet Beecher Stowe's Uncle Tom's Cabin.
Oswald the Rabbit comes to the rescue when a peg-legged sheik abducts his girlfriend and brings her to a mysterious pyramid filled with walking skeletons, animate hieroglyphics and other strange sights.
While Bimbo and Koko admire Betty, their experiment becomes a monster.
Mickey has built a robot to compete in the boxing ring against the giant gorilla, the Kongo Killer. Whenever it hears Minnie's car horn, it goes crazy and starts punching any picture of Killer that it sees, even if it's on a brick wall, thus hurting itself. Mickey manages to barely patch his robot together to take on Killer, but after some early success, it gets pummeled by the ape. Minnie fetches the car horn, which brings it back, and it trounces Killer, then flies apart.
Blackout gags and music, including the title song originated in the movie musical Gold Diggers of 1933. Hollywood figures caricatured include Tallulah Bankhead, Joan Blondell, James Cagney, Bing Crosby, Guy Kibbee, Zasu Pitts, Mae West, Bert Wheeler and Bob Woolsey, Ed Wynn, George Bernard Shaw, Mussolini, Ben Bernie, The Boswell Sisters and Greta Garbo, who does the "Dat's all, folks!".
Mickey gives Minnie a canary for a present. Soon there are several little canaries; they get into the inkwell and fly around the house, making a mess, though it's nothing compared to the shambles Mickey makes of the house while chasing them.
Mickey and Pluto go duck hunting, stopping to jam to "Columbia, Gem of the Ocean." The ducks get their own back, carrying the hunters through the air and dropping them on a clothesline.
At the theatre, a 'Paramouse Noose Reel' and a Bimbo and Koko cartoon are followed by Betty Boop's stage performance; she sings and does imitations of Helen Kane, Fanny Brice and Maurice Chevalier.
Bimbo is a mechanic whose girlfriend (not Betty) agrees to marry him if he wins a fight against "One-Round Mike." Quick as a wink, he transforms his car into a robot to help him in the ring!
Mickey is set to ride Thunderbolt in the big race; his owner, the Colonel, has bet everything. But the stable-hands goof off and incapacitate the horse. In desperation, Mickey rents a horse costume and puts the stable-hands inside. They manage to eventually clear the hurdles, but get hung up on one near a beehive; the bees propel them to victory.
Mickey is driving a taxi. His first fare is a very large gentleman. Mickey stops traffic and gets a tongue-lashing from the officer. The cab runs into some bad road, bounces the fare down to almost nothing, then bounces the customer right out of the cab. Mickey pulls up to the curb and picks up his second passenger, Minnie. She plays her accordion while they ride. The cab gets a flat tire, and Mickey uses a pig to pump it up.
Mickey plays a bluesy tune on a piano on a stage. Minnie sings. Then an unseen band plays while both sing and dance. Mickey then leads the 9-piece band in an uptempo number, with Pluto on trombone, Horace on percussion, and Clarabelle on bass, among others. Mickey steps out for a clarinet solo.