

Alvin and Simon rewire Theodore's talking teddy bear to respond to commands. Alvin doesn't want to go back to school until he meets the new principal.

Believing that Theodore has been kidnapped by aliens, Alvin and Simon prepare a rescue mission. The Chipmunks create a magical birthday for Jeanette.

After fighting with Brittany, Eleanor moves in with Alvin and his brothers. When Theodore's rap video becomes a hit, he considers a solo career.

Alvin thinks that a neighbor is responsible for a recent jewel heist. Alvin tries to get out of the annual family day picnic to attend a soccer game.

Alvin tries to escape from the control of Dave's new parenting app. Theodore gets confusing dating advice from his family members.

Alvin takes a personality test and discovers that his true soul mate is Brittany. Simon and Alvin announce rival campaigns for class president.

Elected school safety monitor, Simon must make a hard choice about punishing Alvin. Dave takes the Chipmunks on a technology-free camping trip.

Theodore becomes frozen like a statue when Alvin scares him. Simon constructs a robot bodyguard to protect him from the school bully.

Jeanette wants to give a toast at Brittany's party, but she's too shy. Alvin tries babysitting as a way to make money for a new video game.

To break a curse, Theodore looks for Miss Croner's missing cat. When Dave gets a cold, Alvin fills in and discovers that it's hard to be a dad.

Dave is worried about the Chipmunks' addiction to a video game until he gets hooked on it, too. Theodore spends Alvin's skateboard money on candy.

Alvin quickly regrets it when he gives away his lucky cap to a fan. Alvin goes to the zoo in costume and is mistaken for a real Tasmanian devil.

When Dave decides to spend more time with them, the annoyed Chipmunks try to find him a girlfriend. The Chipmunks accidentally ruin Dave's new song.

Simon builds a fast replica of a toy sports car for Alvin. To earn a meeting with a real princess, Alvin must pass a course in good manners.

The Chipettes recall the origins of their treehouse. Alvin and Theodore think that Simon is being sent to boarding school and try to stop it.

Dave returns to high school with Alvin in order to complete his education. Simon's new friend Jamie ditches him in favor of the more popular Alvin.

Alvin proves he's big enough to get his own room, but finds it lonely. The Chipmunks enter a contest to win Theodore a new bicycle.

The gang joins in a green living competition to reduce their carbon footprint. Alvin babysits a talking myna bird for a girl he likes at school.

Simon and Alvin must convince Theodore that he's not a real superhero. Brittany thinks Jeanette lacks style until Jeanette is declared a trendsetter.

Simon is too shy to kiss a girl in the school play, so Alvin switches places with him. Alvin decides to rent out the house while Dave's away.

A science project gone wrong turns Theodore into a giant. Alvin gets blamed when someone steals his classmates' smartphones.

Alvin helps the gang gear up for a soccer game, but they want to replace him as coach. Alvin decides to become a reality television star.

Alvin and Brittany eat a cake that Eleanor wanted to enter in a baking contest. The Chipmunks pretend that Dave's dream house is haunted.

Alvin gets himself into a sticky situation when he lies to Theodore about having secret powers. Simon competes against Derek in a reality TV show.

Brittany takes up painting, hoping to impress her fashion idol. Alvin ruins Brittany's favorite bag and must figure out a way to replace it.

Alvin gets attached to a baby bird that fell out of his nest after the Chipmunks rescue him. Alvin tries to stop Julie and her son from moving in.