The Rocky Horror Picture Show verbatim at each screening. Performance groups became a staple at "Rocky Horror" screenings due in part to the prominent New York City fan cast. The New York City cast was originally run by former schoolteacher and stand-up comic Sal Piro and his friend Dori Hartley. Hartley who portrayed Dr. Frank N. Furter, was one of several performers, including Will Kohler as Brad Majors, Nora Poses as Janet, and Lilias Piro as Magenta in a flexible rotating cast. The performances of the audience was scripted and actively discouraged improvising, being conformist in a similar way to the repressed characters. On Halloween
The Rocky Horror Glee Show fans without being a "homage for homage's sake" like the Spears episode, and Stack felt that "Rocky Horror" was a "perfect fit" for "Glee", due to thematic similarities between the two. While previous "Glee" tributes attracted criticism for their focus on musical numbers to the detriment of plot, Jenna Mullins of "E! Online" and CBS News Jessica Derschowitz appreciated that "The Rocky Horror Glee Show" was more story-driven. Critics generally disliked the focus the episode placed on the adult characters, with many objecting to Will's characterisation. VanDerWerff wrote that his storyline with Emma "misplac[ed] what made either of the characters