The movie 'Alvin and the Chipmunks: The Squeakquel' was released in theaters across the United States.
Plans for a sequel to the 2007 movie 'Alvin and the Chipmunks' were officially announced.
Principal photography for the sequel began, marking the start of production.
Alvin, Simon, and Theodore start attending high school to face new challenges and experiences.
Alvin and the Chipmunks meet the Chipettes, three female chipmunks who are their rivals in music.
A new music competition is announced at the high school, creating a contest between the Chipmunks and the Chipettes.
Alvin and his brothers form and practice as a band to prepare for the upcoming music competition.
The Chipmunks face difficulties balancing schoolwork and practicing for the competition.
Dave brings in his cousin Miles, who helps the Chipmunks with their school and music struggles.
The rivalry between Alvin's band and the Chipettes intensifies as they compete to win the music contest.
Alvin and the Chipmunks perform their song at the final music competition against the Chipettes.
After the competition, the Chipmunks and Chipettes reconcile and become friends.
