The Sky at Night the 55 years of Moore's tenure that he did not host the programme. Brian May, the Queen guitarist and astrophysicist, has been a guest on the show from time to time. On 1 April 2007, Moore presented the 50th Anniversary edition of the show, a special "time travel" edition which included the appearance of Jon Culshaw as Moore's younger self. The 50th anniversary programme was filmed at Teddington Studios as the 1957 home of the programme, Lime Grove Studios, had been demolished in 1992. On 6 March 2011, Moore presented the 700th edition of the show, a special retrospective episode
Trapped in the Sky judged by Anderson and Gray to be tonally unsuitable and was replaced two weeks before the first broadcast of "Trapped in the Sky" in September 1965. Gray recorded the incidental music in December 1964, at the Olympic Studios at Barnes, London, with an orchestra of 30 instrumentalists. "Thunderbirds" was originally due to have a 25-minute episode running time; this was doubled at the instruction of Lew Grade, Anderson's financial backer at distributor ITC, after a preview screening of "Trapped in the Sky". Praising the plot and special effects, Grade commented, "That's not a television series, that's a feature film!" With