When Joe, Nick and Kevin all fall for Maria, the pizza girl, they compete with each other to impress her.

When Joe, Nick, and Kevin forget Stella's birthday, they try to plan her another one but schedule it at the same time as a "big interview".

Joe's childhood friend Carl comes to visit them, but manipulates their popularity for his own gain so they teach him a lesson. Meanwhile, Stella is furious with Macy for using the money she lent her to buy a collector potato chip that has a resemblance to Joe.

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Kevin and Joe warn Nick that he's falling too fast for his crush, Penny, but Nick doesn't listen to them. Nick then becomes heartbroken when he hears Penny singing a love song he wrote specially for her to her boyfriend. Meanwhile, Stella creates a new line of clothing called Stellcro and uses Macy to test it.

The boys will be the judges of a beauty contest. Stella decides to be part of the contest.

The members of JONAS try their hand at acting in a school production of the Three Musketeers. Joe then becomes jealous after finding out that Van Dyke Tosh, who fills in for Joe due to stage fright, is Stella's love interest.

Kevin, Joe and Nick are left home alone for a week and they try to behave and impress their parents, but when Frankie throws a party, their plans go into a tailspin. Meanwhile, Stella unwittingly "takes control" of the JONAS fan club from Macy.

The boys try to reenact their Mom's home movies, after ruining the original copies.

As the JONAS World Concert Tour draws closer, Joe and Stella come to terms with being apart from one another over the summer. Meanwhile, Kevin and Joe devise a plan to help Nick ace his geometry test after their dad threatens not to send the brothers on tour unless they pass all of their school exams

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Joe gets jealous when Stella goes on a date with VanDyke, so he calls for an emergency fashion meeting, ruining Stella's date. In turn, Stella gives Joe a bad outfit to wear when meeting the Queen of England.

Kevin, Joe and Nick are left home alone for a week and they try to behave and impress their parents, but when Frankie throws a party, their plans go into a tailspin. Meanwhile, Stella unwittingly "takes control" of the JONAS fan club from Macy.

Van Dyke asks Stella on a date to El Meat, a new, all-meat restaurant, and a jealous Joe crashes the date with Macy, in order to keep an eye on Stella. Kevin has an addiction to Nick's cookies and Nick tries to teach Kevin about self-control.

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When Kevin thinks there is a ghost in the firehouse, he enlists Stella, Joe and Nick to help him find it. They do not think there is a ghost until Nick disappears.

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Joe finds that it is rough being a member of JONAS when he develops a crush on a cello player who dislikes rock stars, so he decides to play the triangle in the orchestra. Nick and Kevin decide to help Joe by also joining the orchestra. Meanwhile, Macy and Stella have a bet on who can go longest minus their so called obsessions. Macy can't say JONAS and Stella can't text.

Nick experiences writer's block as part of a really bad day. When he falls asleep, he dreams of writing a great song but can't remember it once he wakes up, so Joe and Kevin try to re-create Nick's bad day to so that he will be able to dream his great song again.

A magazine linked Joe in a relationship with a celebrity named Fiona Skye (Sara Paxton). When Fiona begins to follow Joe, he and his brothers realize that something must be done.

A teacher lets Joe slide on an accident with a fire alarm, but gives his friend Abby detention for the same mistake. Joe then attempts to get detention which he succeeds, and tries to apologize to Abby with Nick and Kevin's help. Meanwhile, Stella struggles with her grade in P.E. class, and tries to make sewing a sport.

Kevin's old girlfriend, Anya has joined their school, but the kids in the school make fun of her because they find her eccentric. Meanwhile, Joe, Nick, Stella and Macy try to find out who has been taking picture of Jonas and uploading it on Macy's website

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Joe questions his relationship with Stella when invited to a fashion event. Meanwhile, Macy accepts a date with Randolph and decides to make him into a "Nick clone".