Ricky decides to audition for East High's fall musical, "High School Musical," in an effort to rekindle his relationship with his ex-girlfriend Nini.

E.J. is jealous and reeling after losing the leading role of "Troy" to Ricky, and Miss Jenn tells the conflicted leading lady, Nini, to "trust the process."

After Nini discovers that E.J. isn’t who she thinks he is, Ashlyn gets caught in the middle. Gina and E.J. team up as “wonderstudies,” and Ricky gets an unexpected visitor at home.

Miss Jenn organizes a girl’s night out with Kourtney and Nini to help Nini shake off the boy drama, while the rest of the theater kids attend the East High Homecoming dance, where Carlos learns to dance like everyone’s watching.

When Miss Jenn is placed on temporary leave and rehearsals are put on hold, the students rally together to defend their drama teacher.

A rambunctious Thanksgiving "cast party" at Ashlyn's ends with surprising news for Gina, while Miss Jenn and Mr. Mazzara accidentally spend the holiday together at East High.

After months of rehearsals, the theater kids gear up for an unforgettable opening night. But when unexpected audience members show up to shake the cast to its core, will the show "go on" if the Wildcats aren't all in this together?

It's Act Two of opening night, and the stakes have never been higher. After last-minute cast changes in Act One — and so much left unsaid between Ricky and Nini — there's more drama offstage than on

Flying high after the triumph of opening night, Ricky, Nini, Gina, and the Wildcats gather at Ashlyn's for a New Year's Eve party. Miss Jenn runs into the new North High rival theatre teacher—a.k.a her ex-boyfriend—and at the stroke of midnight, shocking revelations come to the surface.

Big Red and Ashlyn celebrate their first Valentine's Day together, amidst drama. Kourtney spars with a co-worker while Gina contends with being single. Meanwhile, Ricky and Nini's plans to surprise each other turn into a comedy of errors, leading to new revelations and a surprise song.

Gina and Seb rally the group to throw Carlos the music and dance-filled Quinceañero he never had. Meanwhile, Ricky accidentally oversteps in more ways than one, and Miss Jenn gets a wild idea about how to get Nini back onstage at East High.

After rival school North High releases a viral video to undermine the Wildcats, Miss Jenn hosts a weekend improv intensive to build up her kids' confidence. Meanwhile, Nini works on a new song at Salt Lake Slices, where she finds inspiration in Kourtney's approach to life.

It's opening night, and Nini hypes up her anxious castmates for their performance in front of the competition judge. But no East High opening night is complete without unexpected visitors, second chances, and big decisions about everyone's futures—together and apart.

While the Wildcats head to Salt Lake Slices to digest the excitement of opening night - and a pizza or two - Miss Jenn continues to experience tunnel vision over the Menkie Awards. Mr. Mazzara shows his softer side; Ricky reevaluates a party crasher; Gina speaks her truth; and Nini makes a life-altering call.

Disney announces that "High School Musical 4: High School Reunion" will be shooting at East High.

At Gina's Halloween party, relationships are put to the test and secrets are revealed.

Ricky, Gina, and the rest of the Wildcats must make big decisions on opening night of HSM 3.

Act Two of HSM 3 Opening Night is shaken up by surprise guests and looming decisions.