Diego audience. In May 1972, the FCC, siding with KCST, revoked channel 6's permission to carry ABC programming, with the wording of the Commission's decision forcing ABC to move its affiliation to KCST. XETV and ABC then went to the U.S. Court of Appeals, who upheld the FCC ruling; the station later sought relief at the U.S. Supreme Court, and was also denied. XETV surrendered the ABC affiliation to KCST in two stages: daytime programming moved to KCST in June 1973, followed by prime time programs and all other shows (including children's programming and sports) by July 1, 1973. In spite of seeing ratings gains both nationally and locally, ABC was dissatisfied with having been forced onto a UHF station and stayed with KCST for only four years before moving to KGTV in 1977; KCST subsequently signed up with NBC at that time. XETV once again became an independent station, with a standard program schedule composed of syndicated offerings, off-network programs, movies, and children's shows. In addition, because Mexican broadcast regulations did not limit commercial time (as FCC regulations did at the time) – every Sunday, the station – in a forerunner to future changes in the U.S. – in effect, became the first station in North America to carry an infomercial, which consisted of a one-hour advertisement of listings of local houses for sale. As FCC regulations at that time limited television stations to 18 minutes of commercials in an hour, such a program could not have been run on U.S. television at that time. In 1976, XETV moved its business operations to an office facility on Ronson Road in the Kearny Mesa neighborhood of San Diego; the station's broadcast operations, meanwhile, remained in Tijuana. Channel 6's Tijuana-based production and technical operations eventually moved from Mexico into an expanded wing of this facility. In the early 1980s, XETV produced a popular comedy program, Disasterpiece Theatre, which parodied campy low-budget horror and science fiction films by making fun of them as they aired, similar to the format of Mystery Science Theater 3000 a decade later. As a Fox affiliate (1986–2008) On October 9, 1986, XETV became one of the first stations outside of the original group of six television stations formerly owned by Metromedia (which had been purchased by Fox's parent company affiliate, News Corporation, earlier that year) to sign deals to join the newly launched Fox Broadcasting Company, becoming