The Old Grey Whistle Test 1973, the show changed to an entirely live format. On 23 February 2018, the BBC broadcast a special programme, hosted by Bob Harris, to mark the 30 years since the legendary series was last broadcast. This live studio show featured music, special guests and rare archive footage. It featured performances from Peter Frampton, Richard Thompson, Albert Lee and others. Bob Harris chatted to Whistle Test alumni, including Dave Stewart, Joan Armatrading, Ian Anderson, Chris Difford and Kiki Dee, as well as fan Danny Baker. The programme hosted many seminal acts of the era, including the first British TV performance of
The Guardians (UK TV series) there because of its political content such as depictions of terrorist activity from the terrorist's point of view. "The Guardians" was released on DVD in the UK on 1 February 2010 by Network DVD. The full 13-part series was released as a 4-disc set. The Guardians (UK TV series) The Guardians is a television drama series of 13 60-minute episodes made by London Weekend Television and broadcast in the UK on the ITV network (with the exception of Ulster Television) between 10 July 1971 and 2 October 1971. "The Guardians" is a dystopian political thriller set in the 1980s. Following