 One of its most famous and popular series was the daily 15-minute afternoon soap opera "Blue Hills", which was written for its entire production history by dramatist Gwen Meredith.It featured many well-known Australian actresses and actors, ran continuously for 27 years, from 28 February 1949 to 30 September 1976, with a total of 5,795 episodes broadcast, and was at one time the world's longest-running radio serial.It was preceded by an earlier Meredith serial "The Lawsons", which featured many of the same themes and characters and itself ran for 1299 episodes.