After Ally, Trish and Dez tell Austin that they won't be joining him for their senior year at high school, Austin decides to enroll in military school. But when the gang changes their mind, they must stop Austin before it's too late.moreless
Austin and Ally cannot wait to tell the world that they are a couple during the Worldwide Music Awards, but Jimmy tells them if they do, he'll prevent Austin from making music for 10 years. Austin is faced with a choice: Ally or his career?moreless
When the gang gets trapped in Sonic Boom on Halloween, they pass the time by telling a trio of stories to outscare each other.
Austin disappears before his scheduled performance on "Video Countdown Live" and it's soon discovered that Brooke is holding him captive until he writes a song for her. What will Austin do to escape or will he miss the Video countdown?moreless
Ally meets a new guy named Gavin and develops a crush on him.
After getting a negative review, Austin is unable to perform.
Trish seeks advice on dating a boy she's crushing on.
Ally is jealous when another girl wins a date with Austin in a charity auction and she worries they might hit it off.
When Ally's new record label prohibits her from writing any more songs for Austin, Austin must look for a new songwriter. So Ally dons a disguise to become Austin's new songwriter.
Austin joins the school glee club, but a disagreement with Ally threatens to split the glee club apart.
A mix-up at the toy factory ruins the new Austin Moon doll right before the dolls are to be given out at a Christmas party for kids.
Trish is jealous of Ally's new friend.
Austin's tour takes the gang to Washington, D.C., where Austin is to perform for the president, but not before they get into trouble at the Smithsonian Museum.
The gang imagines how different their lives would be without Austin in them.
After missing most of Austin’s tour to focus on her music career in Miami, Ally longs for her friends and decides to catch Austin’s performance in Portland. Ally barely makes it on time, and is now torn between continuing to work on her own music, or joining her friends for the last leg of Austin’s tour.moreless
The gang goes on tour with Austin, but Ally is presented with an opportunity which may take her away from her friends.
Dez and Trish make a film about Austin and Ally's partnership.
Austin and Ally judge a singing competition where Ally mentors a young singer.
Dez isn't happy when his sister starts dating his arch rival, Chuck.