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Doctor Who is a British science fiction television programme produced by the BBC. The programme depicts the adventures of a mysterious and eccentric humanoid alien known as the Doctor who travels through time and space in his spacecraft, the TARDIS (an acronym for Time And Relative Dimensions In Space), which normally appears from the exterior to be a blue 1950s British police box. With his companions, he explores time and space, faces a variety of foes and saves civilizations, helping others and righting wrongs, as well as improving the way people, aliens and robots choose to live their lives. The programme is listed in Guinness World Records as the longest-running science fiction television show in the world, and as the "most successful" science fiction series of all time, in terms of its overall broadcast ratings, DVD and book sales, iTunes traffic, and "illegal downloads". It has been recognised for its imaginative stories, creative low-budget special effects during its original run, and pioneering use of electronic music (originally produced by the BBC Radiophonic Workshop). The show is a significant part of British popular culture; in the United Kingdom and elsewhere, it has become a cult television favourite and has influenced generations of British television professionals, many of whom grew up watching the series. It has received recognition from critics and the public as one of the finest British television programmes, including the BAFTA Award for Best Drama Series in 2006, and five consecutive wins at the National Television Awards since 2005, in the Drama category. The programme originally ran from 1963 to 1989. After an unsuccessful attempt to revive regular production with a backdoor pilot in the form of a 1996 television film, the programme was relaunched in 2005, produced in-house by BBC Wales in Cardiff. The first series was produced by the BBC; series two and three had some development money contributed by the Canadian Broadcasting Corporation (CBC), which was credited as a co-producer. Doctor Who also spawned spin-offs in multiple media, including the current television programmes Torchwood and The Sarah Jane Adventures, the standalone K-9, and a single 1981 pilot episode of K-9 and Company. Summarize Extract Concept Extract Named Entities Part-of-Speech Tagging

Doctor Who is a British science fiction television programme produced by the BBC. The programme depicts the adventures of a mysterious and eccentric humanoid alien known as the Doctor who travels through time and space in his spacecraft, the TARDIS (an acronym for Time And Relative Dimensions In Space), which normally appears from the exterior to be a blue 1950s British police box. The programme is listed in Guinness World Records as the longest-running science fiction television show in the world, and as the "most successful" science fiction series of all time, in terms of its overall broadcast ratings, DVD and book sales, iTunes traffic, and "illegal downloads"