Celebrity Big Brother (British TV series)

*Celebrity Big Brother*
Celebrity Big Brother
Genre	Reality competition
Based on	Big Brother; by John de Mol Jr.
Presented by	Davina McCall MBE; Brian Dowling; Emma Willis; AJ Odudu; Will Best;
Narrated by	Marcus Bentley
Theme music composer	Elementfour
Opening theme	"Big Brother UK TV Theme"
Country of origin	United Kingdom
Original language	English
No. of series	23
No. of episodes	616
Production
Production companies	Bazal (Series 1); Endemol UK Productions (Series 2–3); Brighter Pictures (Series 4–6, Celebrity Hijack); Remarkable Television (Series 7); Initial (Series 8–Present)
Original release
Network	Channel 4 (2001–2010); Channel 5 (2011–2018); ITV (2024-Present);
Release	Channel 4:; 9 March 2001 – 27 January 2010; Channel 5:; 18 August 2011 – 10 September 2018; ITV:; 4 March 2024 – Present
Related
	Big Brother
	Infobox instructions (only shown in preview)

Celebrity Big Brother (also called Celebrity Big Brother UK) is a reality television series in the United Kingdom which began in 2001. It is a Celebrity version of the Big Brother franchise.

Contestants must complete challenges while living in a house full of cameras. In some series the house is in London; in some series it is in Hertfordshire. From 2001-2010, it was shown on Channel 4 and was presented by Davina McCall; from 2011-2018, it was shown on Channel 5 and was presented by Emma Willis; from 2024, it is shown on ITV2, ITV1 and ITVX and is presented by AJ Odudu and Will Best.