Each Challenge pits numerous cast members from past seasons of reality shows against each other, dividing them into two separate teams according to different criteria, such as gender, which show they first appeared on, whether or not they're veterans or rookies on the show, etc. The two teams compete in numerous missions in order to win prizes and advance in the overall game.

Celebrity Showmance sees six single celebrities paired into three very unlikely ‘couples’ who go to hilarious lengths to convince the public that they’re in a real, romantic relationship.

Three former Alone participants go head-to-head to complete incredible bushcraft builds using only basic tools and the natural resources around them. Their goal: to prove who has the ingenuity, experience and wilderness skills to craft the most unbelievable survival build. Alone participants who will judge the builds.

The Games is a British reality television series that ran on Channel 4 for four series, in which 10 celebrities competed against each other, by doing Olympic-style events, such as weight lifting, gymnastics and diving. At the end of the series, the contestants with the most points from each round were awarded either a gold, silver or bronze medal. The show was mainly filmed in Sheffield, at the Sheffield Arena, Don Valley Stadium and Ponds Forge. In later series, the English Institute of Sport – Sheffield, iceSheffield and in series 4 the National Watersports Centre in Nottingham were used for the first time. The Games was presented by Jamie Theakston for the entirety of its run, with track-side reports from Jayne Middlemiss in series 1–3 and Kirsty Gallacher in series 4. The Games also had an after-show called The Games: Live at Trackside, aired on Channel 4's sister channel E4. The first series was presented by Dougie Anderson, whilst the second was hosted by Gamezville presenters Darren Malcolm and Jamie Atiko. Justin Lee Collins and Caroline Flack took over as presenters for the third and fourth series. For the final series an extra one-hour show was added on E4 in the afternoon called The Games: Live at the Heats, and the evening show changed title to become The Games: Inside Track.

Teams compete to navigate rooms flooded with lava by leaping from chairs, hanging from curtains and swinging from chandeliers.

Gladiators is a British television entertainment series, produced by LWT for ITV, and broadcast between 10 October 1992 and 1 January 2000. It is an adaptation of the American format American Gladiators. The success of the British series spawned further adaptations in Australia and Sweden. The series was revived in 2008, before again being cancelled in 2009. The series was originally presented by John Fashanu and Ulrika Jonsson, however, Fashanu was replaced by Jeremy Guscott in 1997. Guscott left the series in 1998, and subsequently, Fashanu returned for the final series in 1999. The series was refereed by John Anderson and the timekeepers over the show's run were Andrew Norgate, Derek Redmond and Eugene Gilkes. John Sachs was the show's commentator, and the series was accompanied by its own group of cheerleaders, known as G-Force. Despite being made by London Weekend Television, all episodes of Gladiators, International Gladiators, the second series of The Ashes and the first series of The Springbok Challenge were recorded at the National Indoor Arena in Birmingham. The first series of The Ashes and the second series of the The Springbok Challenge, however, were filmed on the sets of the Australian and South African versions of the shows respectively. The series also spawned a version for children, entitled Gladiators: Train 2 Win, which was broadcast on CITV between 1995 and 1998.