Alvin's prank call gets out of hand when the person on the line vows to track him down.

Alvin and Brittany are convinced Simon has vanished back in time and go all out in an attempt to bring him back

Feeling bad for Chessy on Valentine's Day, Theodore makes an online alias, pretending to be a girl.

When one of Simon's inventions malfunctions, Jeanette and Alvin switch places and now each must live as the other.

Worried about a zombie attack, Alvin and Theodore try to protect their loved ones.

Alvin and Brittany deliver vastly different versions of why the fire alarm went off at the school.

The Chipmunks and Chipettes are sent to a summer camp that is actually split into two separate areas that are run by brothers Auggy and Austin.

When Alvin finds a treasure map in Miss Croner's basement, the chipmunks set off in search of lost treasure.

Jeanette decides to plant a garden on the school grounds, but Bocarter manages to install vending machines instead.

After Theodore makes a wish, the Chipmunks try to learn what it was, so they can make it come true.

Alvin borrows Simon's invisibility suit, but gets trapped when the zipper gets stuck.

Simon falls ill and asks Alvin and Theodore not to go see a new movie without him, but Alvin is unable to resist.

After Brittany and the girls release a video that goes viral, Alvin, Simon, and Theodore try to top it.

Alvin never accepts the responsibility of his short comings and misdeeds, instead always blaming them on either of his brothers, which angers them and Dave.

Simon is assigned with caring for a snake named Rosie at home for a week, but Dave's phobia of snakes presents a dilemma, so Simon creates a robotic clone of Rosie in an attempt to help Dave conquer his fear.

After learning about King Arthur, Theodore starts a round table, but he secretly does not want Alvin to join.

When Bocarter's father helps him with his class project, Alvin enlists Dave's help to balance the playing field.

When Brittany hurts her foot, Jeanette takes her place as the principal's assistant.

The principal threatens to cancel the school dance if Alvin and Derek are caught fighting again.

The Chipmunks must compete in a battle of the bands when a new boy band emerges and attempts to steal the spotlight

The boys feel pressure to keep up with their nemesis when Bocarter boasts about having the most powerful computer.

When the children at school tease Kevin about his lame parties, Alvin decides to host a cool paintball party at his house for Kevin.

When Alvin learns that he might be held back a year, he plots to make Simon and Theodore fail as well so they can all stay together.

Alvin claims only boys can be super heroes, so Brittany makes a bet with him that Jeanette can create super hero suits and gadgets for them, and the loser has to trot around the classroom while slapping their rear end and chanting, "I'm a little donkey."

While watching a horror movie, The Chipmunks' scared reactions were recorded and uploaded to the internet, going viral, much to their humiliation.

Miss Smith finally reaches her breaking point and has a nervous breakdown after having to deal with Alvin's disrupting behavior in class, prompting her to quit teaching altogether.

When retrieving their frisbee that was accidentally tossed into Ms. Croner's house, Theodore accidentally gets himself taped inside an outgoing package, which Alvin and Simon pursue after it was picked up by the postal service before Theodore ends up getting shipped out in the mail.

Principal Meadows's beloved cat goes missing, and she is very upset about it.

Theodore becomes exhausted with the other kids in school constantly asking him for favors, which he can't say no to.

Simon writes a message to his teacher but regrets it when it accidentally gets sent by Alvin.

The Chipmunks and Chipettes are mistakenly led to believe one of the nerds, Kevin, has a crush on one of the Chipettes

A parasitic toad accidentally settles on Brittany's face and Alvin and her are charged by Miss Smith to keep it alive until the specialist arrives to take it off.

Lies spread by Dave and Alvin become a big problem for the both of them.

After using Simon's invention, Alvin accidently clones himself and his clone ends up causing trouble for him.

The Chipmunks And Chipettes look for their Halloween Candy.

Alvin listens to everyone's conversations which become too overwhelming

Simon is inadvertently hypnotized, so his IQ drops whenever he hears a bell. The next day, he participates in a knowledge contest, but the bell sound emitted by the buzzers turn him into an idiot every other round.

Dave agreed that if Alvin can do his chores for a month, he will spend a weekend with him doing whatever Alvin wants.

There's a big bicycle competition and everybody with a bicycle is entering and also getting robbed.

Alvin and Simon argue over who is the real hero when Simon creates a super hero costume for a convention.

Chaos ensues when Alvin promises too many favors in order to make a special present for Dave.

Alvin dresses Theodore up like a baby in order to impress the girl of his dreams.

Simon tries to earn a job on the school newspaper by proving that his teacher may be a secret agent

When Brittany begins acting nice towards Alvin, he becomes convinced that aliens have taken over her body

Dave begins to exhibit strange behavior, worried, the chipmunks follow him to learn the reason for the change.

When the chipmunks set out to help Jeanette make a student film, they have different ideas about the project.

When Alvin signs up to teach an after school music class, he is treated differently by his classmates.

When Alvin makes fun of Simon's magic act, Simon challenges him to a magic duel.

Alvin befriends a new student, but Theodore learns something surprising about him

Alvin teaches some kids how to get rid of their fear of bullies.

The Chipmunks and Chipettes find a dragon egg.

When Theodore finds a dog, he keeps it. But then realizes he must keep it from being seen by Dave.