High Quality Content by WIKIPEDIA articles! The animated television series The Real Ghostbusters premiered on ABC on September 13, 1986. It continued airing weekly until the series conclusion on October 5, 1991. After the first season aired, the series entered syndication, during which new episodes aired each weekday. Sixty-five episodes aired in syndication before the start of the official second season in 1987. At the start of the third season in 1988, the show was renamed to Slimer! and the Real Ghostbusters and expanded to an hour long time slot, during which the regular thirty-minute episode aired along with a half-hour Slimer sub-series which included two to three short animated segments focused on the character Slimer. At the end of its six season run, 147 episodes had aired, including the syndicated episodes and 13 episodes of Slimer, with multiple episodes airing out of production order.