Complex sentence: Running for three series between 1995 and 1997, the titular police officer was played by Robert Carlyle: the first and second series comprised six episodes, the third had an additional 2-part series finale to make eight episodes.
Split into simpler sentences: Running for three series between 1995 and 1997, the titular police officer was played by Robert Carlyle. The first and second series comprised six episodes and the third had an additional two-part series finale to make eight episodes.