In total, 57 episodes were shown in the original Channel 5 series; including four celebrity specials and a special edition with contestants from the first series of The Mole.
On 1 July 2014, Challenge announced on social media that they had re-acquired all the Channel 5 years of the show (previously repeated by the channel from 2002-2006) and would begin airing series 1-2 in August that year, with series 3 and 4 following in 2015.