S4 E1 • Buzzcuts & Beginnings

The gang shares an emotional reunion in Miami at Ally's triumphant homecoming gig. When Austin learns that the foursome's time together is only temporary, he contemplates enrolling in military school.

Première diffusion : 18 janvier 2015

S4 E2 • Mattress Stores & Music Factories

Unable to find a new passion, Austin feels forced to take a job at his parents' mattress store, and Ally struggles to keep up with an influx of music students. Dez and Trish try and help the duo to come up with a plan that will solve both of their problems.

Première diffusion : 25 janvier 2015

S4 E3 • Grand Openings & Great Expectations

The gang has less than a week to teach first-time music students how to play in a band in anticipation of the A&A Music Factory's grand opening.

Première diffusion : 8 février 2015

S4 E4 • Seniors & Señors

The foursome's plans to enjoy their senior year together are put on hold when Austin learns that he's a credit short.

Première diffusion : 15 février 2015

S4 E5 • Homework & Hidden Talents

Ally wants to prove to Austin that she can unlock the hidden musical talent of a new student.

Première diffusion : 28 mars 2015

S4 E6 • Duos & Deception

Trish books Billie and Bobbie of "The Billie and Bobbie Show," a famous brother and sister duo, to talk and perform with the students of the A&A Music Factory. Meanwhile, when a code inspector comes to look at the music school and threatens to shut it down, the foursome learns the famous duo have ulterior motives.

Première diffusion : 19 avril 2015

S4 E7 • Wedding Bells & Wacky Birds

When Austin and Ally are paired together in Home Ec, they get to imagine life together as a married couple. Meanwhile, Trish helps Dez book a job directing a commercial.

Première diffusion : 3 mai 2015

S4 E8 • Karaoke & Kalamity

Desperate to perform again, Austin begins singing at a karaoke club in disguise. Back at the A&A Music Factory, Ally mentors a student with stage fright.

Première diffusion : 14 juin 2015

S4 E9 • Mini-Me's & Muffin Baskets

The gang prepares for the A&A Music Factory's first showcase and Austin wants to surprise Ally by teaching their students one of her songs.

Première diffusion : 21 juin 2015

S4 E10 • Dancers & Ditzes

Ally is performing at an awards show but the producers are worried about her dancing abilities.

Première diffusion : 12 juillet 2015

S4 E11 • Mysteries & Meddling Kids

A mystery unfurls when Ally’s songbook is stolen from her school’s ’70s-themed party and the gang sets out in search of the culprit.

Première diffusion : 26 juillet 2015

S4 E12 • Comebacks & Crystal Balls

A visit with a fortune teller convinces Austin that something bad will happen during his comeback concert. Meanwhile, Trish believes she is going to meet a prince.

Première diffusion : 9 août 2015

S4 E13 • Burdens & Boynado

When Trish’s boy-band client “Boynado” threatens to split up, she searches to find a way to fix their problems. Meanwhile, Austin and Ally try to help a former impersonator find his own voice.

Première diffusion : 23 août 2015

S4 E14 • Bad Seeds & Bad Dates

Ally learns that the new woman her Dad is seeing also happens to be the mom of a very difficult student at the A&A Music Factory.

Première diffusion : 20 septembre 2015

S4 E15 • Scary Spirits & Spooky Stories

While visiting New York the group attends the Central Park Spooktacular, and it inspires them to tell their own scary stories.

Première diffusion : 4 octobre 2015

S4 E16 • Rejection & Rocketships

When Ally is rejected from college, she decides to let go of her "perfect student" ways. Meanwhile, Austin and Dez discover their favorite childhood ride will shut down forever.

Première diffusion : 8 novembre 2015

S4 E17 • Cap and Gown & Can't Be Found

When a missing library book threatens to keep Ally from graduating, Austin tries to find it. Meanwhile, Trish fakes some memorable moments in an attempt to get more photos in the yearbook.

Première diffusion : 22 novembre 2015

S4 E18 • Santas & Surprises

One of Austin & Ally’s music students is upset about spending Christmas away from her father, so the gang does everything they can to try and make her happy and realize that they’re her family too.

Première diffusion : 6 décembre 2015

S4 E19 • Musicals & Moving On

Première diffusion : 10 janvier 2016

S4 E20 • Duets & Destiny

Première diffusion : 10 janvier 2016