Big Brother landed on Channel 4 back in 2000 and became the first mainstream reality TV show to make stars out of ordinary folk.
Originally described as a social experiment, the first series was a huge hit and became the nation's new obsession. It ran for 18 years before it was axed in favour of its celebrity spin-off, but now it's returning to the small screen with Big Brother : Best Shows Ever.
The series of specials have been made to celebrate the show's 20th anniversary and will be hosted by original presenter Davina McCall and Rylan Clark-Neal, who won CBB in 2013.
It will feature some of the show's most iconic moments from its 18-year run starting off with the notorious tale of Nasty Nick.
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