Complex sentence: There have been eight editions of the concept; the first edition aired in 1986, with another airing in 1987, and after a nine year hiatus, the concept resumed in 1996 and 1997.
Split into simpler sentences: There have been eight editions of the concept; the first two editiond aired in 1986 and 1987, respectively. After a nine year hiatus, the concept resumed in 1996 and 1997.