Complex sentence: In 1982--1983 she was the setting for the second and third series of the soap opera "Triangle" in 1989 it featured in one episode of the comedy series Birds of a Feather.
Split into simpler sentences: In 1982--1983 she was the setting for the second and third series of the soap opera "Triangle". In 1989 it featured in one episode of the comedy series Birds of a Feather.