The film begins with a prophecy, telling how one of Jonathan and Mrs. Brisby's sons would save Thorn Valley from the "secret of NIMH". Timothy is chosen to go but his older brother Martin believes he should have been the one chosen. Martin decides to prove his quality, and goes off to find his own adventure.
Dans un monde imaginaire, une jeune adolescente nommée "princesse Mona" vit chez ses parents adoptifs, Goomi et Monseigneur, une vieille ratte et son fils, un rat mâle ventru, tous deux aigris et méchants. Ils habitent dans un vieux manoir taillé dans la pierre, sur une falaise au bord de la mer, à proximité d'une forêt luxuriante et multicolore. Lassée par ces parents peu amènes, Mona, qui ne rêve que d'amis et d'amours, dépérit. Un jour, elle voit apparaître dans sa demeure une petite licorne blanche aux yeux bleus prénommée U, qui vient pour l'aider. U devient la première amie de Mona, qui lui confie ses questionnements plus ou moins profonds ou futiles sur son corps, sa beauté, l'amour, l'avenir.
Meadows, le majordome, quitte après avoir été tourmenté par le chat de la famille gâté, qui trouve qu'il est incapable de survivre seul, surtout après avoir rencontré les souris Hubie et Bertie.
The Karnival Kid is broken into two distinct segments. The first segment features Mickey selling hot dogs at a carnival. The second segment is set later that night and features Mickey, accompanied by two cats, in a moonlight serenade.
Le chat Kat Nipp vit dans une demeure où il passe une grande partie de son temps à boire de l'alcool. Sa présence empêche les souris de la maison de vivre. Kat Nipp s'absente pour aller chasser au dehors. Une armée de souris profitent de cette absence pour envahir la maison à la recherche de nourriture. Parmi les souris, Mickey et Minnie tentent de transformer le regroupement en une fête.
Huey, Dewey and Louie wake up one Christmas morning and open their presents, even though they are supposed to wait first for Aunt Daisy, Uncle Scrooge and Aunt Gertie to arrive. After the boys take their new sleds from their Uncle Donald (not reading the included gift card) they go sledding and have Christmas dinner. While Donald, Daisy, Uncle Scrooge and Aunt Gertie sing carols, the boys play with their new toys. Later, it is time for the boys to go to bed and having enjoyed the day immensely, the boys then wish that it would be Christmas every day. Their wish is granted and at first the three are joyful. After a few days, however, they begin to get sick of Christmas and soon realize that every day will be exactly the same as the day when they first made their wish. They then decide to change the course of action of the next day by playing tricks and pranks, including swapping the cooked turkey with a live one for the dinner table. The day turns out to be a bad Christmas for everyone, especially Donald. After this, the boys finally read the gift card that was given to them which they had previously disregarded. The card is from Donald and Daisy, it wishes them love and explains that Christmas is not just about presents, it is about being with family. The boys instantly become guilty for their pranks and decide to make amends by making the next day the best Christmas ever. At the end of the next day, the boys finally realize the true meaning of Christmas and the time loop comes to an end, leading into the day after Christmas.
It is Halloween night at the House of Mouse, and a lot of villains are showing up. Jafar has a trick in store for the usual heroes of the House, but the villains have to wait until midnight for him to unleash it.
Mickey Mouse, Donald Duck, Goofy, and Mickey's dog Pluto are street urchins, who, while being robbed by masked bandits (played by the Beagle Boys) are saved by the Royal Musketeers, Athos, Aramis, Porthos and D'Artagnan. Mickey is gifted one of their hats, inspiring him to follow their example and become a musketeer; however, in the present day, he, Donald and Goofy are janitors for the musketeers' base.
Mickey est un violon soliste qui interprète plusieurs titres. Les morceaux sont l'ouverture de Guillaume Tell de Rossini, la Rêverie de Robert Schumann, et la Rhapsodie hongroise No. 2 de Franz Liszt.
The concert opens with Mickey on piano. His shadow is cast dramatically on the curtain as he plays a classical interlude. Soon he transitions into a ragtime version of "St. Louis Blues." Minnie struts onstage and sings the verse "I hate to see that evening sun go down..." with Mickey accompanying. Soon an unseen band takes over the accompaniment and Mickey joins Minnie; the two mice dance and scat sing two more verses.
Mickey is operating a steam shovel at a construction site. Minnie appears on a cart pulled by Pluto; she is selling box lunches to the workers for 15¢ American.
Mickey Mouse's orchestra is performing a concert at the park. As the film opens they are being applauded for having just played music from Zampa. They next begin Rossini's William Tell overture.
Mickey Mouse, Donald Duck, and Goofy are firefighters responding to a hotel fire. Mickey drives a contemporary style hook-and-ladder fire truck, Donald is standing on the stack a ladders on the truck shouting "Fire! Fire! Fire!", while Goofy is steering the rear of the truck.
Mickey, Donald, and Goofy are assigned to clean a tall clock tower. Mickey is outside cleaning the face with a mop by riding on the second hand. Goofy is inside the building cleaning gear teeth with a large toothbrush. Donald (singing "Hickory Dickory Dock") starts to mop the mainspring, ignoring several warning signs. He gets the mop caught and springs it loose.