Season 3

Alvin suspects Dave of leading a double life.

The Chipmunks hire a poor film editor for a music video.

Alvin gets a crush on his teacher.

When the power goes out, the Chipmunks think their house is haunted.

When Theodore loses a tooth, Alvin dresses as the tooth fairy.

The Chipmunks start their own fire department.

Alvin plagiarizes his book reports and Theodore is on the council that will judge him.

Brittany tries to join the cool kids at school.

Dave, the Chipmunks and the Chipettes go to Washington D.C. to lobby the president to save bald eagles.

Simon feels unappreciated and stows away on a cargo ship.

Alvin recruits Eleanor to play soccer.

Dave's piano is filled with pudding and thrown down the stairs, and each chipmunk has a different story as to how it happened.

Uncle Harry tries to con the Chipettes in New York.

Alvin accidentally sinks a boat belonging to Dave's friend.

The Chippette's are reunited with their old Austrailian friend Olivia, which prompt's the singer's to remember their younger days when they were just little tiny chippete's not trying to have a career, only trying to survive.

The Chipette's successfully make their way into the U.S.A., yet they find out the hard way that getting there is only half the battle. After taking various odd jobs in middle management, the Chipette's travel across the continent to California. There the girls manage to find a famous record producer who after hearing their first song, gives the Chipette's the break they were looking for. The rest of course, is history.

Simon goes on a game show, but when he wins, he catches the flu and his brothers must pose as him for future appearances.

Alvin sells Dave's motor home to buy a gold claim.

The Chipmunks tour in Switzerland.

There is a contest where one of Alvin's fans can win a date with him. Unfortunately for Alvin, the winner is an old lady, and he tries to get rid of her.