The Rocky Horror Glee Show opening to "The Rocky Horror Picture Show". The song segued into a rehearsal of "Over at the Frankenstein Place", which was followed by a rehearsal of "Dammit Janet"—the former with Michele on lead vocals, and the latter featuring Michele, Monteith, Colfer, Agron and Riley. Stamos' first vocal performance for the series followed, as he gave a rendition of "Hot Patootie". Stamos reportedly feigned illness in order to work with a private vocal coach and dance instructor on the number, and hired his own studio in which to rehearse. The performance entailed a shot-by-shot recreation of the original choreography. "Sweet Transvestite"
The Rocky Horror Glee Show criticized, with VanDerWerff deeming it a "series lowpoint", and "a muddled, terrible message, particularly in an episode that seems to have an uneasy relationship with "actual" outcasts, transsexuals." Both Reiter and Aly Semigran of MTV questioned the resolution, with Reiter stating that it was unclear what message the creators were attempting to convey, and Semigran finding it disjointed, suggesting "The Rocky Horror Glee Show" to be a "rare "Glee" misstep". Seven "Rocky Horror" songs were covered in the episode. The opening number of "Science Fiction/Double Feature", performed by Rivera and represented by a disembodied pair of red lips, mirrored the