The Liver Birds "Man is the dog, and woman is the bone. He eats the best of you, and buries the rest of you, and when his dish is empty—he'll dig you up again." This would be the last series with Beryl; as Polly James explained: "The reason I left the programme in the end was that I felt I was in danger of caricaturing what was already a pretty outrageous character." Producer Sydney Lotterby had to find a new leading actress to keep the series going after Polly James' departure. In 1971 he'd replaced Pauline Collins with Nerys Hughes, and Hughes herself
Polly (Doctor Who) to Professor Brett. Brett develops the artificial intelligence known as WOTAN, and Polly meets the Doctor (William Hartnell) and Dodo (Jackie Lane) when they come to investigate it. Polly befriends Dodo and takes her to a London nightclub called the Inferno, where they meet Ben Jackson (Michael Craze) and try to cheer up the Royal Navy sailor. When Polly is accosted by another patron in the Inferno, Ben comes to her rescue. Eventually, Ben and Polly aid the Doctor in his fight against WOTAN when the computer tries to take over the world. They are the bearers of the news