Mickey gets an unpleasant surprise for his birthday.
Goofy sings a Mexican birthday song in Mexico while the Three Caballeros (Panchito, Donald, and José) play three guitars, Minnie and Daisy sing and dance, and everyone gathers to listen to the song. Mickey changes into his Mexican traditional costume before he goes outside. Minnie holds up a chocolate cake and everyone sings to Mickey. Suddenly, the wind blows hard and the door opens, revealing the bandit piñatas, and everyone hides under the table. The bandits crash Mickey's party, the bull chases the cowboy and the orphan, the pirate chases the other orphan, and the others throw ribbons and debris as the leader hits the table. Mickey pins Eeyore's tail on the leader's back, but the leader scares him. The others shoot piñata-like bullets at him. Mickey dodges, but the bull, divided into two clones, hits him as the leader covers his eyes, and they trap him in ribbons. The masked piñata tells the leader to splat the cake but he says no. They capture Mickey and splat the cake, which breaks the table as he (temporarily) dies. Everyone mourns Mickey's death, but as the bandits leave, Mickey gets up, sees the cake, and is devastated because Minnie worked so hard on it and now it's ruined. Mickey prepares to fight, and the Caballeros play their guitars too fast. Mickey slashes them in half and the leader throws a pie, which explodes into fireworks. Everyone wishes Mickey a happy birthday.
- Mickey Mouse - Chris Diamantopoulos
- Minnie Mouse - Russi Taylor
- Goofy - Bill Farmer
- Donald Duck - (non-speaking role)
- Daisy Duck, grandmother of the Orphans, chicken chased by piñata pirate - Tress MacNeille
- Horace Horsecollar - (non-speaking role)
- Clarabelle Cow - (non-speaking role)
- Orphan - Gabriel Oliva
- José Carioca - (non-speaking role)
- Panchito Pistoles - (non-speaking role)
- Cowboy chased by piñata bull - Diego Osorio
- Lead piñata - Danny Trejo
- Masked piñata, other piñatas - Dave Wasson
- The title means "Happy Birthday!" in Spanish.
- This episode was aired early on YouTube on November 17, 2015.
- This episode was scheduled to be released on November 18 to coincide with Mickey's birthday but was uploaded on Disney's official web sites a day earlier.
- Eeyore's tail makes an appearance.
- The scene when a pirate piñata is chasing a woman is a reference to the Pirates of the Caribbean ride.
- This is the second episode in which José Carioca appears, the first one being "O Futebol Clássico".
- Episodes with dialogue spoken entirely in a foreign language:
- 1.) Croissant de Triomphe = French.
- 2.) Tokyo Go = Japanese.
- 3.) Panda-monium = Mandarin Chinese.
- 4.) O Sole Minnie = Italian.
- 5.) O Futebol Clássico = Portuguese.
- 6.) Mumbai Madness = Hindi.
- 7.) Clogged = Dutch.
- 8.) Al Rojo Vivo = Spanish.
- 9.) ¡Feliz Cumpleaños! = Spanish.
- While this is the second short to be spoken in Spanish, it takes place in Mexico rather than Spain.
- 10.) Dancevidaniya = Russian.
- 11.) Turkish Delights = Turkish.
- 12.) Locked in Love = Korean.
- 13.) Carnaval = Portuguese.
- This is the second short to be spoken in Portuguese as well as the second short to take place in Brazil. Also, both shorts take place in Rio de Janeiro.
- 14.) Year of the Dog = Chinese.
- While this is the second short to be spoken in Chinese as well as the second short to take place in China, this short takes place in Shanghai rather than Beijing.
- 15.) Amore Motore = Italian.
- While this is the second short to be spoken in Italian and the second short to take place in Italy, this short takes place in Rome rather than Venice.
- 16.) Our Floating Dreams = Thai.
- Christopher Willis won a 2016 Annie Award for Outstanding Achievement, Music in an Animated TV/Broadcast Production for the score for this episode. In addition, Alonso Ramirez Ramos won for Outstanding Achievement, Storyboarding in an Animated TV/Broadcast Production for this episode.
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