"Science Fiction/Double Feature" is the opening song to the original 1973 musical stage production, The Rocky Horror Show as well as its 1975 film counterpart The Rocky Horror Picture Show, book, music and lyrics by Richard O'Brien, musical arrangements by Richard Hartley. The song is reprised at the end of the show, with lyrics that reflect on the final events of the story.The song is a tribute to and sendup of various B movies and serials parodied in the show itself.