Detectives Charlie Barlow (Stratford Johns) and John Watt (Frank Windsor), first seen in Z-Cars. The drama sees the pair investigating the real historic casefiles of Jack the Ripper. August 6 August – James Beck, who stars as Private Walker in the BBC sitcom Dad's Army, dies of a burst pancreas at the age of 44. Although the series continues until 1977, the part of Walker is not recast and the show carries on without him. 15 August – The first episode of the flat sharing sitcom Man About the House is shown on ITV. Starring Richard O'Sullivan, its success led to two spin-off ITV sitcoms: George and Mildred and Robin's Nest as well as a 1974 British feature film. 17 August – ITV airs the feature length pilot episode of the US martial arts western series Kung Fu, starring David Carradine. 20 August – Children's magazine style series Why Don't You? airs for the first time during the 1973 school holidays on BBC1. 24 August – Trade test colour films are shown on BBC2 for the final time. September 10 September – The Goodies makes its debut in Zambia on ZBS. 26 September - Scottish and Grampian show live Coverage of a Scotland home international for the first time when they broadcast the World Cup Qualifier between Scotland and Czechoslovakia. October 8 October – Pat Phoenix leaves the role of Elsie Tanner on Coronation Street after thirteen years although she'll make a return to the soap on 5 April 1976. 17 October – ITV shows a home England international live from Wembley for the first time when it broadcasts the World Cup Qualifier between England v Poland. 31 October Thames Television's acclaimed World War II documentary The World at War begins on ITV. Narrated by Laurence Olivier and shown in 26-parts, the series would go on to be widely regarded as a landmark in British broadcasting. The sixth series of the BBC sitcom Dad's Army opens with the episode The Deadly Attachment containing the "Don't tell him, Pike!" exchange which becomes rated as one of the top three greatest comedy moments of British television. November 12 November – First series run of Last of the Summer Wine starts on BBC1. 14 November – The BBC and ITV broadcast extensive live coverage of the Wedding of Princess Anne and Mark Phillips. 19 November – ITV begin showing the Michael Douglas-starring US