"HSM v. HSM" is the second episode of the fourth season of Disney+ High School Musical: The Musical: The Series. It aired on August 9, 2023.
Plot[]
The theater students attend their first dance rehearsal for High School Musical 4: The Reunion led by Krystal, the film's choreographer, and Emmy is fired for speaking out of turn. Miss Jenn learns that the auditorium has been occupied by rehearsals for the film; she runs auditions for the High School Musical 3: Senior Year production from the drama room instead. Carlos passes on his duties as assistant director to Emmy due to his busy schedule. Ricky and Gina continue to keep their relationship private, but Ashlyn observes their interactions and discovers the secret. Gina stands in for Dani during a rehearsal and shares an intimate scene with Mack, which leaves Dani feeling threatened. Quinn is unimpressed by Dani's acting ability and identifies a "chemistry problem" between the two teenage leads. At Gina's house, the theater students unveil the cast list for their musical production; Ricky and Gina receive the roles of Troy and Gabriella respectively, but a lack of participating students leaves some roles uncast. Kourtney notices Gina's romantic tension with Mack, before Gina receives an offer from Quinn to replace Dani in the movie.[1]