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
Color television 625 lines), Hong Kong (1970), the People's Republic of China (1971), New Zealand (1973), North Korea (1974), Singapore (1974), Pakistan (1976, but not fully implemented until 1982), Kazakhstan (1978), Vietnam (1978), Malaysia (1978, but not fully implemented until 1980), Indonesia (1979), India (1979, but not fully implemented until 1982), and Bangladesh (1980). South Korea did not introduce color television (using NTSC) until 1980 (full-time color transmissions began in 1981), although it was already manufacturing color television sets for export. Cambodia was the last country in Asia to introduce color television, officially introduced in 1981 using the PAL system, with full-time