Complex sentence: In May 1989, new ABC entertainment president Robert A. Iger cancelled "Dynasty"; with the last episode of season nine now the series finale, the show ended with Blake, Fallon, Krystina, Alexis, and Dex in mortal peril.
Split into simpler sentences: In May 1989, new ABC entertainment president Robert A. Iger cancelled "Dynasty", making the last episode of season nine the series finale. The show ended with Blake, Fallon, Krystina, Alexis, and Dex in mortal peril.