Ross Bagdasarian Jr.

Alvin has entered himself and Simon and Theodore in a hot-air balloon race around the world against the Chipettes to deliver diamonds for a group of diamond smugglers. The winners will collect a prize of $100,000. (imdb)

Alvin and the Chipmunks think something's strange about their neighbor and Theodore turns into a werewolf.

At a movie-studio theme park, Alvin, Simon and Theodore make their way to the Frankenstein's Castle attraction -- where they meet the famous monster! (Netflix)

A single dad has his hands full raising six rambunctious chipmunks in this animated comedy. (imdb)

Join the Chipmunks and Chipettes, as you've never seen them before, as they spend a magical weekend at La Lu's cottage.

Anxious to join the Monster Club, precocious singing chipmunk Alvin undergoes a grueling trick-or-treat initiation. (imdb)

Swept up in a holiday mood, Alvin gives away his cherished harmonica to a sick little boy. Meanwhile, Dave has booked Alvin to perform a harmonica solo at Carnegie Hall. Alvin keeps the loss of his harmonica a secret from Dave, and with the help of Simon and Theodore, he scrambles to earn enough money to buy another harmonica in time for his Carnegie Hall debut. (imdb)