Angelina recounts how she found a fancy new tutu and returned it to its rightful owner. Later, Viki persuades her friends to put on their own show after the Camembert performance of "Mousical the Musical" is canceled.

Marco helps Angelina and Alice with a love-theme skating routine at Chipping Cheddar's big hockey game. Later, Ms. Mimi takes the mouselings on a field trip designed to show them that music is everywhere.

Viki surprises Marco by arranging for the Costa Mousa Carnival to come to Chipping Cheddar, but Angelina may not be able to attend: the festivities fall on Polly's birthday. Later, Angelina turns to Polly for help in completing an assignment.

Polly desperately wants to become taller, but learns to value her size when Angelina, A.Z., and Alice need someone small to play an important role in their school production of "Goldilocks and the Three Mice." Later, Viki tries to lend a hand to too many people at once.

Ms. Mimi teaches the class about dynamics in music and dance, and Angelina makes use of her newfound knowledge to make her chores fun and give her mom a great Mother's Day gift. Later, she and Polly discover sheet music written by their dad while decorating his store for Father's Day. They learn that it's klezmer, a type of music performed at celebrations, so they decide to celebrate Father's Day with klezmer.

Angelina becomes jealous when Alice babysits Polly; Mrs. Thimble makes a special cheese for the Fête Française, but the kids fear its overwhelming smell will drive everyone away.

Marco wants to perform the Indian epic "The Ramayana" for a school performance, but his friends would rather do "Mouselina." After learning the story of his selection, however, the mouselings change their minds and surprise him by learning the song and choreography. Later, A.Z. drops big hints as to what he wants for his birthday, but his friends have another gift in mind.

Angelina and friends make their own Halloween costumes when their ordered ones don't arrive in time for trick-or-treating; Alice has a difficult time keeping a straight face in a dance routine.

Angelina and the Dragon Dance - Viki wants to perform a dragon dance with her partners for a school assignment. Her friends, however, have another idea and are too busy to listen to her. When Viki finally gets the chance to show them the celebratory dance from San Fran-cheese-co, her friends become inspired to perform the best dragon dance ever!Angelina's Opera - It's time for Chipping Cheddar's annual Cheese Day celebration and Angelina's class gets to present the cheese-related history to the whole town. There's so much to learn that Angelina wonders if she'll ever be able to remember it all until she discovers a fun way to present the information, making the Cheese Day a huge success!