Big Brother (UK series 4)

Big Brother 2003, also known as Big Brother 4, was the fourth series of the British reality television series Big Brother. It was based upon the Netherlands series of the same name, which gained notoriety in 1999 and 2000. The series premiered on Channel 4 on 23 May 2003 and lasted nine weeks, ending on 25 July 2003. The housemates were competing for a grand prize of £70,000, with Cameron being crowned the winner of the series on Day 64.

Potential housemates applied by sending producers a home video that stated why they should be housemates. Successful candidates were invited to further rounds of auditions. This was the last year to feature this audition format as from Big Brother 5, open auditions were used to select housemates.

Big Brother 4 had more than 10,000 applicants apply to be a housemate.

Davina McCall continued to host the main show and Dermot O'Leary continued to host the spin-off show, Big Brother's Little Brother. Marcus Bentley continued to narrate the show.

This series was promoted as being a 'Back to Basics' edition; following the twists to the format introduced within the past series.

To promote the series, a large 210 ft hill figure of the eye logo was painted on the top of White Horse Hill, Oxfordshire, right above the famous Uffington White Horse, believed to be around 3,000 years old. The eye first appeared on 1 May 2003 and was created by seven circlemakers. Although permission for the figure's construction was agreed to by The National Trust, the figure angered local residents. It was washed off the day after completion.

This figure was one of several examples of the eye being presented as a geoglyph to promote the fourth series. Others included another hill figure, approximately half the size of that at Uffington, being placed next to Urquhart Castle, Loch Ness, Scotland, which appeared from 3–5 May, alongside a crop circle in a secret location in Southern England and as a depiction on a beach in Kidwelly, Wales.

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