The prom takes unexpected turns.

Sadie is forbidden from walking at graduation.

Jenna refuses to let a series of obstacles ruin her chance at having a dream prom.

Jenna has to decide between an important SCU event and her camp reunion, which leads to an even bigger choice: Luke or Matty.

Everyone tries to make the last night of high school count.

While Jenna gets a taste of popularity, Matty struggles with being shunned. Meanwhile, Jake goes after a new girl, and Ally hosts a sex toy party.

Prom season arrives at Palos Hills High School; Jenna receives some surprising news.

A fight with Luke pushes Jenna to sign up for her camp reunion – and towards reconnecting with Matty.

Senior Yearbooks are out. Jenna's depressed to see her senior superlative, but what will Matty say in her yearbook?

Jenna's forced to throw Tamara a party to celebrate her fake engagement. Meanwhile, Gabby reveals a secret about Matty that sends Jenna in search of the truth.

Jenna wants to tell Matty the truth.

Jenna reveals what happened to her and the rest of the gang in the last year—what caused the freeze between Matty and Jenna, what sparked the friendship between Sadie and Tamara, and how Jake and Lissa rekindled their romance.

Jake secures shifts for Jenna and Tamara at the country club for the Fourth of July, but Sully’s plans for an after-hours party on the golf course lead to some dramatic fireworks.

After their Fourth of July fun, Jenna and Matty continue to rekindle their friendship by throwing a party for Jake, at least until Jenna’s latest Idea Bin post threatens to unravel it all.

Jenna volunteers to babysit, and receives some unexpected help in Matty. Meanwhile, Lissa learns the secret to being a Palos Hills mom, and Tamara and Sadie are in over their heads at a rich-kid clambake.

Help from Luke lands Jenna an important meeting at SCU and Tamara comes clean about her money woes.

Some senior pranks manage to cause chaos. Jenna's vow to not think about Matty ends up being tested after she overhears a worrying secret.

Jenna causes an accident at school that has surprising results. Meanwhile Matty must deal with the aftermath of his confrontation with Jake.

Tamara accuses Jenna of sabotaging relationships, so Jenna confronts her ex-boyfriends to find answers.

Jenna avoids a new relationship in order to connect with her co-workers. Meanwhile, Tamara throws a chic birthday party for Sadie that leaves more than one partier feeling less than celebratory.

In an effort to make Idea Bin a friendlier place for herself, Jenna hooks Tamara up with an internship but quickly discovers that working with friends can be a recipe for disaster.

Jenna tries to decide between success at Idea Bin and her tenuous friendship with Matty. Jake has an unexpected hookup, and Sadie and Sergio find themselves baring more than ever before.

Jenna takes things with Luke to the next level, and Tamara’s debt comes back to bite her.

Jenna is on top of the world when she gets home from her freshman year of college, but her newfound confidence is shaken when she discovers she’s not the only one who’s changed.