Lowe and John Le Mesurier's wife Joan Le Mesurier. Writing career Knowles is first credited with writing four episodes of Are You Being Served including Cold Comfort, Big Brother, Shoulder to Shoulder and New Look. Knowles also appeared in two episodes including the pilot and Up Captain Peacock. Knowles first met Harold Snoad in 1972 when they were introduced by a mutual friend Jimmy Perry, and in 1973 it was decided that Dad's Army would be adapted for radio. At the time David Croft and Jimmy Perry were writing series six and unable to adapt it themselves so it was suggested that Knowles and Snoad would do the first script, the BBC liked it and asked them to do another five. In total the pair adapted 66 episodes for radio which were recorded at London's Paris Theatre. In 2017, David Benson and Jack Lane adapted nine of the radio scripts for the theatre in a show called The Dad's Army Radio Hour (later called Dad's Army Radio Show) which they performed at the Edinburgh Festival Fringe. They went on to tour the country with the show until 2020 when the tour was interrupted by the COVID-19 pandemic. After the radio adaptation of Dad's Army, Knowles once again teamed up with Snoad to write It Sticks Out Half a Mile, a radio spin-off to Dad's Army. Work started on writing the script in 1980 and when the first one was shown to Arthur Lowe he was so taken with it he unsuccessfully tried to persuade the BBC to make it a television series rather than radio. Recording began in 1981 and picked up the story in 1948 and follows the attempts at trying to save the town's pier. Arthur Lowe died in 1982 and many believed that that was the end of it, however at Lowe's funeral Joan Cooper (Lowe's wife) found Knowles and Snoad, and told them that her husband liked their scripts so much that he would have wanted the full series to go ahead. Recording for the series stated later in 1982 with Ian Lavender and Bill Pertwee. Together they also adapted It Sticks Out Half a Mile for television, with a pilot called Walking the Planks for the BBC which first aired on 2 August 1985 starred starring Michael Elphick and Richard Wilson. The BBC were not interested in making a series. Undeterred, the two men took