第 4 季 共 20 集
播出时间：2015年1月19日
第 1 集 Buzzcuts & Beginnings
播出时间：2015年1月19日
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.
第 2 集 Mattress Stores & Music Factories
播出时间：2015年1月26日
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.
第 3 集 Grand Openings & Great Expectations
播出时间：2015年2月9日
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.
第 4 集 Seniors & Señors
播出时间：2015年2月16日
The foursome's plans to enjoy their senior year together are put on hold when Austin learns that he's a credit short.
第 5 集 Homework & Hidden Talents
播出时间：2015年3月29日
Ally wants to prove to Austin that she can unlock the hidden musical talent of a new student.
第 6 集 Duos & Deception
播出时间：2015年4月20日
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.
第 7 集 Wedding Bells & Wacky Birds
播出时间：2015年5月4日
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.
第 8 集 Karaoke & Kalamity
播出时间：2015年6月15日
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.
第 9 集 Mini-Me's & Muffin Baskets
播出时间：2015年6月22日
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.
第 10 集 Dancers & Ditzes
播出时间：2015年7月13日
Ally is performing at an awards show but the producers are worried about her dancing abilities.
第 11 集 Mysteries & Meddling Kids
播出时间：2015年7月27日
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.
第 12 集 Comebacks & Crystal Balls
播出时间：2015年8月10日
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.
第 13 集 Burdens & Boynado
播出时间：2015年8月24日
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.
第 14 集 Bad Seeds & Bad Dates
播出时间：2015年9月21日
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.
第 15 集 Scary Spirits & Spooky Stories
播出时间：2015年10月5日
While visiting New York the group attends the Central Park Spooktacular, and it inspires them to tell their own scary stories.
第 16 集 Rejection & Rocketships
播出时间：2015年11月9日
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.
第 17 集 Cap and Gown & Can't Be Found
播出时间：2015年11月23日
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.
第 18 集 Santas & Surprises
播出时间：2015年12月7日
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.
第 19 集 Musicals & Moving On
播出时间：2016年1月11日
As the rest of the group prepares for the next phase of their lives, Trish is still determining what her next steps will be.
第 20 集 Duets & Destiny
播出时间：2016年1月11日
Years after the gang has gone their separate ways, Ally, Austin, Trish and Dez meet-up and learn what they have all been up to, individually.
