The Simpsons Spin-Off Showcase unoriginal, poor television writing and references and parodies many television series. When Troy McClure mentions that Fox can only fill up three slots for the next season, the three series are "Melrose Place", "The X-Files" and "The Simpsons" itself. In the museum of television, Troy walks by posters of spin-offs, such as "The Ropers" (spun off from "Three's Company"), "Laverne & Shirley" (spun off from "Happy Days"), "Rhoda", a show that Julie Kavner, the voice of Marge, once starred in, (spun off from "The Mary Tyler Moore Show") and "Fish" (spun off from "Barney Miller"), to demonstrate the power of
National Iranian Radio and Television cent of its content was imported. By 1974, Iran was second only to Japan in Asia in terms of the development of its broadcasting capabilities. This prompted one Western commentator to argue in 1977 that "[if] Iran continues on its present path it will be the first nation in the world to have nationally spread television before a nationally spread press". Colour television broadcasts first began in 1975, although reception was largely confined to affluent people able to afford colour sets. Regular colour broadcasts were introduced in 1976. The standard was changed to the French SECAM in February 1977, resulting