Alvinnn!!! and The Chipmunks Season 4, Episode 15: Mysterions

The Toy

A favorite toy of Theodore's is lost on a rafting trip but then mysteriously shows up at the house, and it's alive.

11 min

Bloodline

11 min

Theodore's Calling

Miss Croner attempts to help Theodore discover his true calling in life.

11 min

Clumsy Jeanette

Jeanette is suddenly the clumsiest person on the planet. Is there something wrong with her - or her new glasses?

11 min

Adventures in Babysitting

Theodore gets roped into doing Alvin's babysitting sitting job with a spoiled four year old.

11 min

Alvin's Assistant

Kevin agrees to be Alvin's assistant to get closer to the music industry, but ends up running errands instead.

11 min

Big Bro Theodore

When Theodore mistakenly thinks he's the oldest brother, he tries to be a better role model for Alvin and Simon.

11 min

Granny Awards

Dave is thrilled when he thinks he's nominated for a Grammy, but it's actually an award for aging musicians.

11 min

Simon Says

11 min

Sing Like a Canary

11 min

Pirate's Life

11 min

World Record

11 min

Granny Awards

11 min

Sick Day

11 min

The Crow That Ate My Homework

Dave promises to take Alvin to a water park if he gets a good grade on his test, but then a crow steals it.

11 min

Tour Bus

11 min

Game Show

11 min

Alvin Management

When Alvin accuses Dave of yelling at him too much, a therapist moves in to help Dave control his anger.

11 min

Time Capsule

Alvin accuses Dave of yelling at him too much, so a therapist moves in; when the school digs up an old high school time capsule, Miss Smith and Dave work together to keep an old secret.

11 min

Munk vs Machine

The Chipmunks and Chipettes team up together to compete in a dodgeball tournament. They learned that an opposing team has an unfair advantage using technology. Later on, they discovered that an enraged Theodore could be their secret weapon.

11 min

Shack Magic

11 min

The Exchange Student

11 min

Crystal Ball Birthday

11 min

Artsy Smartsy

Theodore helps Simon to try and get past his perfectionism in order to complete an art assignment for art class.

11 min

The Crush

11 min

Best in Shoe

11 min

Royal Pain

11 min

Between a Rope and a Hard Place

11 min

World Day

11 min

Allergic Reaction

11 min

Lice-enced to Teach

11 min

Animal House Party

11 min

Dr. Zap vs Electroboy

11 min

Mega Bounce Battle

11 min

Gossip Guy

11 min

Chimpmania

11 min

Dad Jokes

11 min

The Chosen Chipmunk

11 min

Double Dangus

11 min

The Last Day of Summer

11 min

The Littlest Robot

11 min

You Troll

11 min

Life of the Party

11 min

Sick as a Chipmuck

11 min

Instant Gram

11 min

You Troll

11 min

Simon Saves the World

11 min

Geizmo’s Day Out!

11 min

Unbored

11 min

A Very Merry Chipmunk

21 min