became a popular success but received few critical accolades. A week later The Sullivans, a carefully produced period serial chronicling the effects of World War II on a Melbourne family, also debuted on Nine. Produced by Crawford Productions, The Sullivans became a ratings success, attracted many positive reviews, and won television awards. During this period Number 96 re-introduced nudity into its episodes, with several much-publicised full-frontal nude scenes, a cast revamp and a new range of shock storylines designed to boost the show's declining ratings. Bellbird experienced changes to its broadcast pattern with episodes screening in 60 minute blocks, and later in 30 minute installments. Bellbird, Number 96 and The Box, which had been experiencing declining ratings, were cancelled in 1977. Various attempts to revamp each of the shows with cast reshuffles or spectacular disaster storylines had proved only temporarily successful. The Young Doctors and The Sullivans continued to be popular. November 1977 saw the launch of successful soap opera/police procedural series Cop Shop (1977–1984) produced by Crawford Productions for Channel Seven. In early December 1977 Channel Ten debuted the Reg Grundy Organisation produced The Restless Years (1977–1981), a more standard soap drama focusing on several young school leavers. The Seven Network, achieving success with Cop Shop produced by Crawford Productions, had Crawfords produce Skyways, a series with a similar format but set in an airport, to compete with the Nine Network's popular talk show The Don Lane Show. Skyways, which debuted in July 1979, emphasised adult situations including homosexuality, marriage problems, adultery, prostitution, drug use and smuggling, crime, suicide, political intrigue, and murder, and featured some nudity. Despite this, the program achieved only moderate ratings and was cancelled in mid-1981. The 1980s The Reg Grundy Organisation found major success with the women's-prison drama Prisoner (1979–1986) on Network Ten, and melodramatic family saga Sons and Daughters (1982–1987) on the Seven Network. Both shows achieved high ratings in their original runs, and unusually, found success in repeats after the programs ended. Grundy soap The Young Doctors and Crawford Productions' The Sullivans continued on the Nine Network until late 1982. Thereafter Nine attempted many new replacement soap operas produced by the Reg Grundy Organisation: Taurus Rising (1982), Waterloo Station (1983), Starting Out (1983) and Possession (1985), along with Prime Time (1986) produced by Crawford Productions. None of these programs were successful and most were cancelled after only a few months. The Reg