They decide to trap all the suspects in the same room until someone breaks. Meanwhile, Austin and Ally work on a physics project together. He tells Ally he can write his own song, but after trying to find inspiration from the Pioneer Rangers handbook, he finds that the song he and Dez wrote is actually horrible. Ally, Trish, and Dez decide to sneak to the park and switch Austin's picnic basket so that Kira will not think that Ally is trying to sabotage their night. When he turns out to be a horrible employee, she hesitates in firing him, fearing it might ruin her chances of him liking her. Ally suggests that Austin calls the show to say that he has to reschedule because he is volunteering with the Pioneer Rangers.
Meanwhile, Dez competes against Chuck for the position of the school's yell leader. Ally and Trish tell Bobbie that Billie said he is the star of the show. When Dez is determined to fire her, they discover that she is Jimmy Starr's daughter. The group must scramble to find a way around Ally's stage fright, but when Dez breaks their brilliant idea, they must try and work things out. In this imagination, Ally is Trish's songwriter instead of Austin's. As Ally and Trish travel to the class, the cake falls apart.
Meanwhile, Austin and Ally help an Austin Moon impersonator named Benny get back on his feet. With Austin's career gone, he goes with Ally on her first tour while Trish starts her own management company with a bunch of new clients. At Ally's congratulations party, things go wrong when the piano crashes down from the sky. The group is led back to the library when they notice Ally's missing. However, when they try to stop him, they find out it's the wrong person.
Guest stars: Cole Sand as Nelson, Devan Leos as J. Megan wants to see all of Austin's astonishing skills to prove he is worthy to be on the cover. At the prom Austin realizes he has stronger feelings for Ally than Piper, which Carrie overhears. Austin finally breaks up with Kira, but when they hug, Megan snaps the picture, and it makes the cover of Cheetah Beat. Trent challenges Austin to a dance-off.
Later, Ally asks Austin and Dez to watch Sonic Boom while she and Trish hold their spots in line. While Ally impresses herself as an amateur tour guide, Austin tries on some movie memorabilia and inadvertently gets his feet stuck in a pair of Dorothy's silver shoes. Austin discovers that the advanced machines have ruined everything, making songwriting and music less personal. Trish books Dez a job directing a commercial for Armand Bianchi's new fragrance, Emu, which reunites Dez with his ex-girlfriend, Carrie. Austin later explains that he was trying to get the guitar autographed by , much to Ally and Trish's surprise. After Austin joins the basketball team, Jimmy Starr tells him to quit so he doesn't get injured, affecting his ability to dance.
The end result isn't favorable, but the experience helps to solidify the two, and they learn to trust each other. While in the police station, they explain the story, and Officer Dunphy accuses them of stealing Fruity Mint Swirl ice-cream in the shop's freezer, forcing them to miss the contest. Trish admits that kissing Dez wouldn't be the worst thing in the world, but losing Ally as her best friend would be. After Austin accidentally breaks it, he gets electrocuted and is transferred to the year 2345, where everything is plain white and music is just random noise. After the two break up, Gavin arrives at the prom and Ally kindly breaks up with him, saying they're not right for each other. Meanwhile, Trish is promoted to head elf by Santa and orders Dez and others around using the excuse that Santa asked for it.
Later, Austin apologizes for ruining Ally's modeling debut, and she forgives him. Dez's leadership, dance moves, and ideas are so strange and annoying that Austin and Ally make up and Trish gets the coach to let them back in the club. Austin decides to perform at Trish's party so he can impress Emilio to book him in his clubs. Margo apologizes, revealing that she was jealous of Trish and promises to stop posting hate. The next day, they go to court, where the group tries their best to defend Austin, but experiences trouble when Val displays her own evidence, putting them at risk of losing the case. Austin is backed into the position of having to choose between his friends and the promise of fame. It's successful, and Austin and Ally forgive each other and share their second kiss.
When they look at her they realize it's a mask. Austin and Ally meet up and slow dance together while confessing their feelings for each other. Austin trains her to dance better, but Austin and Trish do not believe that she will be ready for the performance and cancel the audition that was made. Ronnie agrees to let her stay with his label and write songs for Austin simultaneously and even admits he'd rather have Ally continue doing so than drop her. Benny does an amazing job and no longer lives at the music school. They pull it off and see that Brooke was the thief. They teach Carrie to not drop the trophies as she hands them out.
Trish and Dez make up a camp to help them get along. Meanwhile, Trish and Dez decide to go on a ghost-hunting mission since the mansion they are in is supposedly haunted. Now the group must find a way to keep the journalist impressed while not getting Austin into trouble. Later, Spike leaves the set because his wife is in labor, so the group persuades Spike to let Dez finish the shooting. However, they end up wrecking all of Trish's presents.
Austin and Ally are forced to perform for the Zaliens so they won't eat their brains, but they are then held captive by the Zaliens to be taken to their home planet. Guest stars: Andy Milder as Lester Dawson, Pamela Dunlap as Ms. Dez does not want to work with Carrie because he is not over her dumping him. Austin and Trish feel horrible. Afterward, Dez reveals to Austin that he is moving to L. They pass the time by holding a contest to see who can tell the scariest ghost story. During the award show, Austin goes on stage and confesses that he doesn't care about his career anymore.