After Alvin, Simon and Theodore use Dave's antique gold pocket watch for Show & Tell at school, neighborhood bullies steal it. The Chipmunks find Mr.T to ask him for some advice and with his help they manage to get the watch back.

For the first time The Chipmunks meet their female counterparts, The Chipettes: Brittany, Jeanette and Eleanor.

A charaltan chipmunk named Harry claims to be Alvin, Simon and Theodore's long lost uncle and says he will have them see their mother as soon as they make enough money. The Chipmunks later not only find out that Harry is not their uncle but also the money he has them making is for a carnival strongman who he has owed for a long time.

The Chipmunks create a robot out of Alvin's video game, so that it can carry all of their equipment to their concerts. But, the robot goes beserk when it begins to capture every hat it sees, like the video game, it was created from, and It's up to Alvin, Simon, and Theodore to stop the robot.

Alvin tells a girl he wants to impress that they are famous and that they are going to be starring in a rock concert on live t.v., but Alvin must convince the producer to let him play.

Alvin unknowingly assists a jewel thief steal some jewelry from a cabin on their cruise ship, and Simon and Theodore begin to investigate the crime.

The origin of the Chipmunks is revealed, including how Dave ended up with the Chipmunks in the first place, as well as how their musical career got started.

Alvin and Simon have Theodore enter a wrestling exhibition under the name ""Mr.Fabulous"" and he goes up against a montrous Russian wrestler called Ivan The Terrible.

The Chipmunks meet their grandparents for the first time. Then, when they discover that someone is trying to take over their Grandparents farm, they decide to raise the money needed to save the farm.

Alvin convinces Theodore to dress up as an alien to attract more fans, but they also attract some investigators with the government who research ufo's. The investigators decide to kidnap Theodore and perform experiments on him and Alvin and Simon must think of a way to save him.

Alvin, Simon, and Theodore go in search for a mother to attend their school picnic. Each choose the person, that they each think Dave will like best. But, when all three of their choices arrive at their house, Alvin, Simon, and Theodore, will do anything to make sure that their choice wins.

Alvin decided to change the Chipmunks image to gain more publicity, but end up running from the police, when they attend a rave.

The Chipmunks make up a singing telegraph service to help buy some golf clubs for Dave's Birthday. But when Theodore loses the addresses, the boys are sent on a birthday mission, for a 100 dollar bonus. Except, that when Theodore wrote the number he wrote it upside down, so the Chipmunks end up going to the wrong house and are tricked into doing some different pranks for some highschoolers who are bored.

The boys enter a contest so that they can win a chance to sing with Dolly Parton. But, the only way they can win is if they are from Nashville. The boys enter the contest anyway, but make an enemy when they win. The person who got second place in the drawing is determined to prove that the Chipmunks aren't from Nashville, and win his chance to sing with Dolly Parton.

Dave has a nightmare of himself getting smaller and smaller.

Alvin loses his memory and thinks that he is an angel.

Dave hires a nanny to take care of the Chipmunks when he is away at work, and the Chipmunks will do anything to get rid of her.

The Chipmunks invite a boy to stay with them who is a ballet dancer, and when a bulley begins to torment Alvin, he shows the bulley that ballet is cool.

Alvin demands a short trip away from obsessed fans who begin following him everywhere he goes. So, the Chipmunks go for a picnic out in the woods, only to be found again by their fans. Alvin runs off into the woods, and runs into a wild chipmunk. He decides to change places with the chipmunk, and he stays in the chipmunk's tree, while the wild chipmunk takes his place. All goes well until the real Alvin is caught by a hunter that holds him hostage. Simon, Theodore, and the wild chipmunk must save Alvin before it's to late.

Dave drags the Chipmunks unwillingly on a camping trip in the great out doors. When they finally arrive, the Chipmunks discover large footprints and think they are being followed by Bigfoot. Eventually they build a treehouse for Dave, when he falls and injures himself badly, and Alvin and Simon go in search for Big Foot.

Charlatan chipmunk Harry returns and this time pretends to be Santa Claus and cons Alvin, Simon and Theodore into building a Christmas-themed amusement park called ""Santa's Place"".

Alvin donates money to an animalfund raiser, and discovers that they don't have any money. In, an attempt toearn some money, they decide to sell the cookies that Theodore spent their, money on. But, when the Chipmunks find a dog, they must hide it from Dave.

When the Chipmunks go to Hawaii, Alvin enters a surfing contest, and becomes convinced that he is cursed when he finds a medallian on the beach that is suppose to bring bad luck.

The Chipmunks get a job as vendors at a baseball stadium, to pay for new uniforms for their baseball team. And in the process stop a pick pocket who has been stealing money.

The chipettes move to the Chipmunks school and Alvin and Brittany run against each other for class president. Both will stop at nothing to win, but when the polls are revealed they discover that Jeanette has the deciding vote.

The Chipmunks experience a real-life mystery on the famed Orient Express.

Alvin and a rich kid compete for a girl's affections. Alvin pretends he is rich as his rival.

The Chipmunks invest in an old horse to win a race.

Alvin, Simon, and Theodore each make their own music videos for the group.

Uncle Harry is up to no good again. This time, he makes Alvin a movie star so he can break up the Chipmunks.

The Chipmunks compete against the Chipettes in a camp battle of the sexes.

The Chipmunks put Dave on the show ""This is Your Father"", but he is nervous about it. So a hypnotist makes him have Alvin's personality, which turns to be a disasterous move.

The Chipmunks trick Dave to play golf with a man that Alvin made a wager with. What Dave does not realize is that Alvin bet his signed "Elmer Palmer" golf club.

Alvin decides that the they all need to join a gym.

Alvin and the Chipmunks attempt to grab good publicity shots of them doing positive deeds in order to win the fabulous Victrola Award.

The Chipmunks gets to see the (Buckingham?) Palace, and Alvin, in an attempt to impress a girl whose a big fan, tells her he's there to play for the queen! Now, all he has to do is find the queen and convince her to let them play!

Alvin and the Chipmunks get a job working in aquarium, but Max, a former employee, who got fired for animal abuse, cooks up a scheme to force the Chipmunks out of a job and work again, by capturing one of 2 whales.

Alvin and Simon turn Theodore into a record mascot in order to win a radio contest.

The Chipmunks attempt to sell Theodore's famous muffins so they may buy Dave a new tape recorder for Father's Day, but Simon's hardening agent accidentally ending up in the batter causes the muffins to harden.

Alvin plans to get a famous figure skater, Heather Williams, to appear at the school Pageant.

While the Chipettes volunteer at the local hospital, a terrified tonsillectomy-bound kid goes missing, so until Brittany finds him, Theodore must step in to substitute, but the doctors, thinking he's the kid, take him into surgery.

Alvin ends up being challenged by a gang called the Steam Rollers. Will he, his brothers, and the Chipettes pull together a gang of their own to help beat the Steam Rollers?

Alvin is determined in getting an invitation to participate the Celebrity Ski Tournament. Once he convinces Mr. Colorado, the man hosting the event, to let him participate, all Alvin has to do then is learn how to ski.

Alvin makes a bet with Brittany to see if he could make anyone into a beauty pageant winner. The challenge gets interesting when Jeanette is the girl he has to transform into beauty pageant material.

Alvin signs him and his brothers up to be in a Kabuki theater in order to gain publicity in Japan.

The Chipmunks and the Chipettes volunteer their talents to raise the money to keep the circus going.

Simon has a crush on a girl named Jillian. Alvin works at changing his image in order to impress this girl.

Dave starts up a neighborhood watch to catch a cat burglar. Alvin and the Chipmunks take it upon themselves to capture the cat burglar single handedly.

The Chipmunks get the measles. Dave spends so much time taking care of his boys that he becomes sick with the measles and is not able to fix his car for the car show. It is up to the boys take care of everything for Dave.

The Chipmunks and Chipettes audition to be in a play on Snow White. After the audition, the director selects Brittany for the role of Snow White. However, the director's demanding daughter, Tara-Marie, who had flopped big-time in the auditions for the title role, plans to make her father reconsider.

Alvin's favorite hat goes missing.

When they can't determine when their birthday is, the Chimpunks set out to find their mother, who abandoned them as babies.

While waiting for procrastinating Alvin on one of their dates, Brittany has a dream and becomes "Bratty Hayes" and Alvin becomes "David Alvinson", detective team. The plot revolves around Alvin trying to stop Brittany from marrying an evil villain - played by Simon.

Simon hosts his own show, playing Sherlock Holmes investigating several mysterious robberies.

Dave meets a woman he really feels a strong connection with. At first the boys disagree, but finds she can get along with all of them. The only thing preventing this relationship to work is her own three boys clashing with the Chipmunks.

The Chipmunks and Chipettes are in detention. They figure out together who could have knocked over the statue of Thomas Edison.

Brothers will fight every so often, but will they fight too much leading to each of the Chipmunks get their own separate rooms?

Dave is stuck at the studio all night to mix the boy's next album. But he leaves a Babysitter to after the Chipmunks while he's gone. After watching a detective movie, Alvin suspects her to be a murderer.

Alvin and Simon work together to help Theodore pass his American History test.

Alvin is desperate to try and buy a Trans-Go-Go Bot, but Dave and his brothers will not lend him the money to get it. He decides to do the grown-up thing and get a job at the zoo.

After playing a video game, the TV blows up. Dave decides to distract the Chipmunks with the book Treasure Island.

Alvin, Simon and Theodore find a huge attraction to one of Miss Miller's toys. Instead of asking her if they could keep it, they steal it from her attic. Dave tells them the beginning of a story, but chooses to let the boys come up with the conclusion.

As an experiment Dave tries his skill as a rock singer and becomes a success.

Alvin has a misunderstanding with a tough kid in his class, and ends up being challenged to a fight with him.

Vinny, the Chipmunks' mother, comes for a visit, but has difficulties adapting to the modern way of life.

Uncle "Adventure" Willy

Micky, a new Irish boy at school, claims that he has his very own leprechaun. The Chipmunks are keen to investigate.

The Chipmunks go on a treasure hunt and meet the ancient Chipmunk tribe called the Twee-Twee Tribe.

Theodore develops a crush on a girl in his class named Juliet. Wanting some expert advice, Theodore asks Alvin for his help. Unwillingly, Alvin says a romantic line that Juliet overhears and she ends up developing a crush on Alvin instead of Theodore.

Brittany tries out for Alvin's football team. To get even, Alvin joins her cheerleading squad. Will they set aside their differences and help each other succeed?

This episode takes a look back at the history of the Chipmunks' career.

Alvin is forced to clean up the house after throwing a wild party while Dave is away and is not allowed to go with his brothers to Fantasy Park. During which, he combats his fear of loneliness, and experiences bizarre incidents including an alien.

The Chipettes are Alvie's Angels, a crime fighting team to hunt down the most popular jewel thief named Chazz Fleming.

Alvin enrolls himself and his brothers in cadet camp.

Alvin sees a psychologist to go over his issues with his family.

The Chipmunks go to Berlin to play in the "Wall of Iron" concert by the Berlin Wall. There they meet and befriend a young girl named Caterina whom has a brother named Eric that lives on the other side.

A crook uses the Chipmunks tour as camouflage for his own evil deeds: While people is out watching the Chipmunks concerts, his trained chimpanzees raid the empty houses.

Alvin plays one prank on Theodore and gets him to eat a dog biscuit. To get even, Theodore, with Simon's help, plays a trick on Alvin and makes him think that his younger brother is actually turning into a were-dog.

Miss Miller is invited to go to her High School reunion. But without her boyfriend to go with, the Chipettes try to get one of the Chipmunks to dress up to be Miss Miller's date.

By a fluke, Alvin actually passes his math test whereas, Simon mysteriously fails. Afterwards, Alvin believes he is psychic, and so does everyone else, except Simon.

Alvin is upset that he can’t seem to keep up with the rest of his track race team. Being that so, his coach decides to let him become a trainer for one of the athletes of the Special Olympics.

Alvin is upset that there is a new boy that just happens to be better at everything. To prove that Alvin has what it takes to beat this kid, he challenges him to anything he can think of.

Alvin gets an opportunity to meet his hero from his favorite TV show.

Dave is feeling depressed and is thinking that the Chipmunks would do better if he had never been apart of his life. Will the spirits of the Chipmunks convince him that he is indeed been an impact on Alvin, Simon, and Theodore’s lives?