Ricky besluit auditie te doen voor de herfstmusical van East High, "High School Musical", in een poging zijn relatie met zijn ex-vriendin Nini weer op te bouwen.

E.J. is jaloers en wankelt na het verliezen van de hoofdrol van "Troy" aan Ricky, en juffrouw Jenn vertelt de conflicterende leidende dame, Nini, om "het proces te vertrouwen."

Na het 'verliezen' van haar telefoon en het missen van een belangrijke repetitie, vermoedt Nini wie verantwoordelijk is voor al haar pech en neemt verrassend wraak. EJ confronteert Ricky over een oprechte voicemail die hij voor Nini heeft ingesproken. Ondertussen wordt meneer Mazzara achterdochtig over het verleden van juffrouw Jenn.

Nadat Nini ontdekt dat E.J. niet is wie ze denkt dat hij is, komt Ashlyn tussen beide. Gina en E.J. werken samen als 'wonderstudies' en Ricky krijgt een onverwachte bezoeker thuis.

Wanneer juffrouw Jenn met tijdelijk verlof wordt gestuurd en repetities worden uitgesteld, verzamelen de studenten zich om hun dramalerares te verdedigen.

Een onstuimige Thanksgiving met verrassend nieuws voor Gina, terwijl Miss Jenn en Mr. Mazzara per ongeluk de vakantie samen doorbrengen op East High.

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.

When the cast and crew unexpectedly need to find a new location to "tech" their production, Carlos secures a spooky theater downtown, forcing Miss Jenn to confront old demons.

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.

Kourtney, Carlos and Big Red decide to join their friends and audition for on stage roles in "Beauty and the Beast," while Nini experiences FOMO from afar. When new competition shows up to the tryout, Gina tries to shake off some old habits.

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.

When a blizzard barrels down on Salt Lake City, the Wildcats are stranded at East High after hours, just as E.J. receives some bad news. As cabin fever sets in, Miss Jenn inspires Nini to make a bold choice about her future; Kourtney's coworker Howie makes a surprising move; and Gina and Carlos come to blows.

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.

When the Wildcats suspect that North High has stolen a key costume piece, they infiltrate their rival school and end up in a competitive dance-off. Miss Jenn goes face to face and toe to toe with Zack Roy. And an emboldened Nini takes a big risk.

When the Wildcats are benched from rehearsal for a week, tensions rise to the surface during Career Day. Big Red questions if Ashlyn understands his dreams; Howie makes a surprising move with Kourtney; E.J. shocks his dad with a revelation; and Ricky and Nini visit an old haunt.

When Gina finds herself stranded at the airport over Spring Break, a surprise run-in changes her mind about what she wants. Meanwhile, the separated Wildcats find a way to bond over song during their break, as Ricky finally sees his mom again after their opening night run-in at "High School Musical."

After rehearsals fall flat, the cast breaks into separate sleepovers to brainstorm Broadway-worthy ideas to outdo North High. But as the countdown to opening night looms, secrets rise between Nini and Gina, Seb and Carlos suffer their first fight, and Ricky receives an unexpected FaceTime call.

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.

After a momentous year at East High, the Wildcats head to Camp Shallow Lake for two weeks of fun in the sun. With a high-stakes production of “Frozen” looming and new campers threatening to shake up the Wildcats’ dynamic, the campers are in for an unforgettable summer of highs, lows, and “Let It Go’s.”

A reluctant E.J. takes the reins in a surprisingly new role on "Frozen". New campers bring vocal chops—and competition—to the auditions. In Los Angeles, Nini makes a potentially life-changing discovery of her own.

After the cast list is revealed, the campers embark on Maddox's favourite camp tradition: Newbie Initiation Night. The centrepiece of the night is a spooky tale that sends Gina and Ricky on a quest into the unknown.

After a spooktacular night in the woods, the cast of "Frozen" have their first read-through. But the Wildcats are in disarray from Corbin Bleu's documentary crew and a camper's sudden disappearance.

After promising juicy drama for the "Frozen" documentary, E.J., Carlos and Val plan to turn rehearsals into "The Real Campers of Shallow Lake". But E.J. realizes he may have gone too far when the fake drama pushes some real buttons.

After an explosive rehearsal, the Wildcats are divided into rivalries for an annual all-camp competition known as Color War.

A throwback '70s-themed prom unexpectedly inspires everyone to look to the future.

Nerves run high on the opening night of "Frozen" as the documentary's release quickly approaches.

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

The Wildcats contend with High School Musical 3 auditions AND High School Musical 4 rehearsal.

High School Musical 4 pulls focus from High School Musical 3 as one of the Wildcats has a star-is-born moment.

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

With Ricky and Kourtney off to college and the other Wildcats distracted, the musical is in peril.

The Wildcats revisit the past in order to secure the future of the theater program.

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.