Sonny enters the set excited but doesn't know that she's off for a difficult time with Tawni. Other than that, she's all good and definitely ready.

Sonny creates her own imaginary fan named Eric when she fails to receive any fan mail, but her creation gets her in trouble when Marshall wants to invite Eric to the set. Meanwhile, Nico and Grady intercept a package intended for Zora.

Sonny worries about an upcoming geometry exam that may decide the fate of her future on So Random. Meanwhile, a pretty new girl on set catches the eye of Nico and Grady, who go to extraordinary lengths to impress her.

When Sonny realizes she is missing out on that most important of teen milestones - prom - she decides to throw a prom for the cast, right there on set. But Marshall says a firm no. Will Sonny and her friends have a night to remember? Or is prom nothing but a distant dream?

Sonny has to find a way to break up a relationship she put together after her matchmaking goes awry.

The "So Random!" cast attempt to prevent their prop house from being taken away and used as a meditation room for the "MacKenzie Falls" cast. The number one show gets any room in the building according to the contract. After remembering all the good memories about sketches they have done (like Dolphin Boy and the Check It Out Girls), they hand-cuff themselves to the prop house. After two hours of being hand-cuffed they decide to fight back. They chase away the cast of "MacKenzie Falls" by cutting a hole in the ceiling and annoying them by throwing objects on their heads. Chad says he won't be driven away, but he starts meditating in the photo booth, he runs away because of a rat. The So Random cast get their prop house back. Chad comes back and brings gifts to everyone in order to say he is sorry and didn't know how much the prop house meant to them. He gives Tawni a Bedazzled lipstick case, Zora a night light for the sarcophagus, lets Nico and Grady ride the forklift, and lastly gives an autograph picture of himself to Sonny that says "To my biggest fan, I'm sorry, TV's Chad Dylan Cooper." Then Sonny says she is touched. Then, Nico and Grady bursts in while riding the forklift.

Chad is the new guest star on So Random, and he and Sonny have to do a sketch together where they will kiss, much to her dismay. Chad then says when Sonny looks into his eyes she will fall in love with him. Sonny takes this seriously, and, worried she will fall in love with Chad tries everything she can to get out of it. In the end, they do the sketch and just as their about to kiss a pig flies into Sonny's hands, so she let's the pig kiss Chad. Meanwhile, Nico and Grady get control of Marshall's office for the day, in exchange for Chad's So Random appearance.

Sonny and Tawni are invited on an exchange program to Glendovia because of the success of their Check-it-Out Girls sketch, but refuse to go together due to an unknown argument. When Tawni goes she is shocked to discover that it is a cultural wasteland and that the Glendovians think the characters are real check out girls. Meanwhile, an exchange student impresses a girl Nico and Grady like, and they both think it is because of his mustache. They then wear a mustache trying to impress her, but they get themselves stuck in their own mustaches because of the glue.

Feeling that Gassie doesn't get the affection that he deserves, Sonny takes it upon herself to show the dog love, love that it doesn't get from its trainer. Sonny then finds out that giving the dog affection effects Gassie's mood to flatulate on command when filming the "Gassie" sketches as well jeopardizing the feature film "Gassie & We". Sonny then gives Gassie too many dog treats that may have killed him. In the end it turns out Gassie was in shock from too many meatball treats and gets the love he deserves, also putting Chad into shock by pretending to be dead. Meanwhile, Nico and Grady borrow money from Dakota Condor to invest in fart noise lunch boxes for "Gassie & We".

Sonny writes a song and plans to sing it during the next show. But when Tawni steals Sonny's song, Sonny uses Grady and Nico's magic act to her advantage.

Someone on the set of So Random! and Mackenzie Falls starts to create rumors that Sonny is a thief when she temporarily leaves for her Homecoming in Wisconsin. This ruins her reputation, and she is asked to leave So Random!. Tawni supports Sonny as they drive back to Wisconsin, unable to clear her name. Meanwhile, Chad, Nico and Grady find out the truth back in Hollywood.

Sonny and Chad go through numerous difficult situations as they try to have their first kiss.

When the So Random! cast is caught mocking Marshall, he leaves to pursue his dream.