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 and the second scripted show behind only "Modern Family". In overall viewers, it placed twentieth for the week. In Canada, the episode was watched by 2.48 million viewers, ranking as the fourth most-watched program for the week of broadcast. Viewership was again up on "Duets", which attained 2.25 million viewers and ranked seventh. The episode's Australian broadcast drew 1.34 million viewers, making "Glee" the fifth most-watched show of the night and the most-watched with viewers aged under 50. It placed eleventh in the weekly program rankings. There also, "The Rocky Horror Glee Show" registered a rise on the previous episode,