The X Factor boot camp recruits more than 11m

The X Factor's first boot camp episode of 2010 attracted more than 11 million viewers, helping ITV1 to a strong peak-time performance on Saturday, 25 September. Wembley Arena was the venue for the boot camp, which attracted an average of 11.283 million viewers and a 46.4% share across ITV1 and ITV1 HD from 7.30pm. ITV1 HD's share of this audience was 590,000. The X Factor was 2.5 million up on the average audience for the first boot camp episode of the 2009 series. BBC1's Saturday lineup was left trailing in The X Factor's wake: Merlin (7pm: 5.228 million/23.7%), The National Lottery: In It to Win It (7.45pm: 3.763 million/15.6%) and Casualty (8.35pm: 4.652 million/19.3%). The X Factor also helped boosted the audience for the following ITV1/ITV1 HD show, Simply Red: for the Last Time (9pm: 5.04 million/22.6%). Five main terrestrial analogue networks BBC1, BBC2, ITV1, Channel 4, Channel 5 (available in all UK homes with TV, except Channel 5, which reaches about 95%) BBC1 9.25pm: Michael McIntyre's Comedy Roadshow - 4.504 million/20.8%, BBC HD 89,000/0.4% BBC2 4.30pm: Labour Leadership Announcement - 699,000/5.7% ITV1/ITV1 HD 6.45pm: All Star Family Fortunes - 5.032 million/24.3% Channel 4 8pm: Stephen Hawking's Universe - 816,000/3.3%, C4+1 156,000/0.7% Channel 5 9pm: CSI (rpt) - 848,000/3.8% Freeview/digital terrestrial TV free-to-air networks Available in 23.4m UK homes – 91.4% of total – as of 31/12/09. Source: Ofcom digital progress report, Q4 2009 ITV2 9pm: The Xtra Factor - 909,000/4.1% All ratings are Barb overnight figures, including live and same day timeshifted (recorded) viewing, but excluding on demand, HD, +1 or other – unless otherwise stated • To contact the MediaGuardian news desk email [email protected] or phone 020 3353 3857. For all other inquiries please call the main Guardian switchboard on 020 3353 2000. • If you are writing a comment for publication, please mark clearly "for publication".