The series first launched in
Netherlands, with editions in countries such as Germany proving to be hits with the public. Following the success of the show, it was confirmed that editions for the United States and the United Kingdom were in the works. Andre Anten, who was one of the directors for the original show, said the show was "like live soap... you don't know what is going to happen and that is amazing." In March 2000, it was confirmed that the show had been picked up by
Channel 4, and would air in July. Casting for the series began that same month, with applications being available on the official website. Applicants who were shortlisted during the casting process underwent psychological analysis and received a nominal fee for the process. The series featured a live feed, which provided 24-hour coverage of the housemates. To comply with broadcasting standards, the live feed was under an estimated ten-minute delay. Commissioning editor Liz Warner said of the feeds "There's a delay on the web feed, so there's an over-ride [...] We will observe the family viewing policy before the watershed, and make sure we stick to ITC guidelines all the time." When asked on her feelings when joining the show, McCall stated "It's a lottery whether you take a show on or not, but you have to ask yourself, 'Would I be interested in seeing the show?' I saw a copy of the show from Holland and I loved it - fascinating viewing." The housemates entered the House on 14 July 2000. The live feed launched that day, though the series did not premiere on television until 18 July 2000. The series featured five men and five women who entered the House on the first night, however, a female later entered the house to replace an ejected housemate. Among the group was
Anna Nolan, a
lesbian who had previously been a nun prior to entering the House. Housemate Andrew "Andy" Davidson admitted to appearing on a live sex show, while Caroline O'Shea had previously worked in a gay bar and sold sex toys. while
Nick Bateman was a broker. Darren Ramsay was the only housemate this series to have a child. The first series aired for a total of six days per week, with an episode airing every night excluding Saturday. Two episodes of the series aired on Friday. During the first episode, viewers were shown the highlights from the previous day and McCall revealed the housemate who had been evicted from the House. Two hours following this, the second episode of the night aired which saw the evicted housemate exit the House and participate in an interview with McCall.
Big Brother 1 lasted for a total of 64 days, officially ending on 15 September 2000. The series had a total of 52 episodes, the fewest episodes for any series thus far. The
theme song for the series was produced by
Elementfour, and was used for the series intro as well as promotional tools. The series saw the
Little Brother segment air during select episodes. ==House==