Troy Bolton is a jock. Gabriella's a brain. They're about to break out of their molds, and break the unspoken rules at East High, by trying out for the leads in the school musical.

Troy and Gabriella feel the "Start of Something New" while singing karaoke during the Ski Lodge flashback.

Chad defends Troy to Ms. Darbus during homeroom.

Jack Scott keeps the students informed about upcoming events at East High.

Troy Bolton, star player of the East High basketball team, leads the jocks in "Get'cha Head in the Game."

Sharpay tells Gabriella lies about Troy while in the Science Lab.

Ms. Darbus leads her "detention managerie" in the "Ball of Noise."

Ms. Darbus and Coach Bolton fight about whether atheletics or theatre is more important.

Thespians audition for the school musical, Juliet and Romeo.

Sharpay glares at Ryan during their audition for the school musical.

Ms. Darbus overhears Troy and Gabriella singing Kelsi's song the way it is supposed to sound and gives them a callback.

The jocks try to persuade Troy to dump Gabriella during "Counting On You."

Like the jocks, the brainiacs try to persuade Gabriella to dump Troy.

The East High Wildcats prepare for the league championship basketball game.

Sharpay and Ryan perform "Bop to the Top" for their callback, as Gabriella takes a lead in the science decathalon, and the basketball team plays the West High Knights during the championship game.

Troy and Gabriella try to get Ms. Darbus' permission to perform their callback.

Troy, Gabriella, and the company singing "Breaking Free."

The company in "We're All In This Together."