Question: Beauty and the Geek is a reality television show, first aired in the United Kingdom on E4 on 7 February 2006, following the success of the format in the United States, voiceovers are provided by David Mitchell of Peep Show, a British sitcom, broadcast on Channel 4 from 2003 until what year?

Context articles: David Mitchell (comedian)
Neil Fitzmaurice
List of Peep Show episodes
Mitchell and Webb
Robert Webb
Beauty and the Geek (UK TV series)
Vera Filatova
Peep Show (TV series)
List of Peep Show characters
Magicians (2007 film)

David James Stuart Mitchell (born 14 July 1974) is a British comedian, actor and writer.
 He is half of the comedy duo Mitchell and Webb alongside Robert Webb.
 The duo starred in the Channel 4 sitcom "Peep Show" in which Mitchell plays Mark Corrigan.
 Mitchell won the British Academy Television Award for Best Comedy Performance in 2009 for his performance in the show.
 The duo have written and starred in several sketch shows including "Bruiser", "The Mitchell and Webb Situation", "That Mitchell and Webb Sound" and also "That Mitchell and Webb Look".
 Mitchell and Webb also starred in the UK version of Apple's "Get a Mac" advertisement campaign.
 Their first film "Magicians" was released in 2007.
Neil Simon Fitzmaurice (born 20 August 1969 in Liverpool) is an English actor, comedian and writer.
 He is perhaps best known for his acting role as Jeff, the love rival for David Mitchell's character Mark, in the Channel 4 sitcom "Peep Show", but has written for a number of other shows, including "Peter Kay's Phoenix Nights" (in which he also starred) and "Benidorm".
"Peep Show" is a British sitcom starring David Mitchell and Robert Webb.
 It is broadcast on Channel 4 in the United Kingdom.
 Written by Jesse Armstrong and Sam Bain, the series explores the lives of Mark Corrigan (Mitchell) and Jeremy "Jez" Usbourne (Webb).
 It is filmed almost entirely from the physical points-of-view of the characters, and viewers can hear the interior monologues of Mark and Jez.
Mitchell and Webb are a British comedy double act, composed of David Mitchell (born 14 July 1974) and Robert Webb (born 29 September 1972).
 They are best known for starring in the Channel 4 sitcom "Peep Show" and their sketch show "That Mitchell and Webb Look".
 The duo first met at the Footlights in 1993 and collaborated for the 1995 Revue whilst studying at the University of Cambridge.
Robert Patrick Webb (born 29 September 1972) is an English comedian, actor and writer, and one half of the double act Mitchell and Webb, alongside David Mitchell.
 The two men are best known for starring in the Channel 4 sitcom "Peep Show" and the sketch comedy programme "That Mitchell and Webb Look".
Beauty and the Geek is a reality television show, first aired in the United Kingdom on E4 on 7 February 2006, following the success of the format in the United States, and was advertised similarly as "the Ultimate Social Experiment".
 The first series ended on 14 March, and was repeated on Channel 4 beginning on 31 March.
 There is no host per se, although voiceovers are provided by David Mitchell of "Peep Show" fame and the physical actions normally requiring a host are performed by a silent "butler" known as "Gates" (actor Alex Purves).
Vera Filatova (born 6 November 1982), also known as Vera Graziadei, is a Ukrainian British actress.
 She is best known for playing "Elena" in Channel 4's cult series "Peep Show" alongside David Mitchell and Robert Webb.
 She also played "Eva" in "Lesbian Vampire Killers" with James Corden and Mathew Horne; and "Svetlana" in a five-part BBC1 drama "The Deep" opposite Minnie Driver, James Nesbitt and Goran Višnjić.
Peep Show is a British sitcom starring David Mitchell and Robert Webb.
 The television programme is written by Jesse Armstrong and Sam Bain, with additional material by Mitchell and Webb, among others.
 It was broadcast on Channel 4 from 2003 until 2015.
 In 2010 it became the longest-running comedy in Channel 4 history in terms of years on air; however, Desmond's still holds the records for most episodes (71 versus Peep Show's 54).
Peep Show is a British sitcom starring David Mitchell and Robert Webb.
 The series follows the lives of two men from their twenties to thirties.
 Mark Corrigan (Mitchell), who has steady employment for most of the series, and Jeremy "Jez" Usbourne (Webb), an unemployed would-be musician, are the main characters of the show.
Magicians is a 2007 British comedy film released on 18 May 2007.
 It stars comic duo Robert Webb and David Mitchell as stage magicians Karl and Harry.
 The two magicians compete together in a magic competition, despite their personal differences.
 Parts and ideas of the film have been taken to parody the 2006 film "The Prestige" by Christopher Nolan, though this had not been released when "Magicians" was filmed (though the original novel by Christopher Priest had been published in 1995).
 The film is directed by Andrew O'Connor and written by Jesse Armstrong and Sam Bain, who are also the writers of the Channel 4 sitcom "Peep Show", which stars Mitchell and Webb.
 Other principal cast members include Jessica Hynes, Darren Boyd, Steve Edge, Peter Capaldi, and Andrea Riseborough.