Back in school, Alvin, Simon and Theodore must save the school's music programme by winning the battle of the bands. For this, they must beat Brittany, Eleanor and Jeanette, also called The Chipettes.
Jenny Farrell, a homosexual woman, is yet to come out to her family. When she decides to marry her girlfriend, she must reveal the truth about her sexual orientation to her family.
A police officer faces problems after his mother decides to pay him a visit. She interferes in his career and life, driving him crazy. But eventually, she ends up helping him with one of his cases.
While holidaying with their families, six children discover that their vacation home is riddled with aliens who intend to conquer Earth using a mind-control weapon.
While on a mission, Megan Walsh, an assassin, gets intrigued with the lives of the other teenagers who are her age. She decides to fake her own death and enrol herself in a school.
Elliot Richardson is a shy man who is reluctant to convey his feelings to the girl he loves. Observing his sad state, the Devil grants him seven wishes in exchange for his soul.
A spaceship which is shaped like a human and made up of many miniature humanoid aliens lands on Earth. The aliens get in trouble when their spaceship's captain is attracted to a woman, Gina.
Jason Shepherd writes a story that falls into the hands of a Hollywood producer, Marty Wolf. When Marty turns it into a blockbuster movie and takes the credit, Jason vows to make him confess.
Recently divorced Joe Scheffer decides to take his young daughter, Natalie, to work but is humiliated by a co-worker. Enraged, he decides to fight back.
Keith Michaels, an Oscar-winning writer, teaches at Binghamton University on the East Coast after losing his popularity in Hollywood and falls in love with Holly, a fellow teacher.
Linda Sinclair, a 45-year-old spinster, is a high-school English teacher. Things take an unexpected turn when she meets her former student, Jason Sherwood.
The Chipmunks and Chipettes are on a cruise ship when their pranks go overboard. They end up on a deserted, tropical island and soon discover that they are not really alone.
After his successful night club is blown to flaming bits, Pluto and his band travel across the moon looking for clues only to find out that the destruction of his club may have been his own fault.
Former CIA spy Bob Ho takes on his toughest assignment to date: looking after his girlfriend's three kids, who haven't exactly warmed to their mom's beau.