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.

A school bus driver (Jack Warden) is fired by the local school board when he refuses to sign a loyalty oath. This was a pilot for a proposed anthology series that didn't sell.

Twenty-two of the most iconic, boldest, and fiercest Challenge All Stars from the original The Real World and Road Rules return for a second chance at the ultimate competition as they vie for their shot at the $500,000 grand prize. Follow the competitors as they face unprecedented, over-the-top challenges set in the Andes Mountains of Argentina.

Estranged twins Lizzie and Shane are chosen for a Survivor-like popular game show with college scholarships as the prize.

Rick, a down-and-out American boxer, is hired to transport a sword to Japan, unaware that the whole thing is a set up in a bitter blood-feud between two brothers, one who follows the traditional path of the samurai and the other a businessman. At the behest of the businessman, Rick undertakes samurai training from the other brother, but joins his cause. He also becomes romantically involved with the samurai's daughter.

Reality titans from the CBS universe compete in the most unpredictable and demanding game of their lives. With an ever-changing game, players are in a constant state of paranoia, unable to trust anyone but themselves. The CBS all-stars compete for a chance to join the upcoming global “War of the Worlds” championship.

Engineers, officials and the crew members' families provide their perspective on the 1986 Space Shuttle Challenger disaster and its aftermath.

In this reality competition show inspired by "Squid Game," 456 players put their skills to the ultimate test for a life-changing $4.56 million prize.

Challenge of the Super Friends is an American animated television series about a team of superheroes which ran from September 9, 1978, to December 23, 1978, on ABC. The complete series was produced by Hanna-Barbera Productions for Warner Bros. Television and is based on the Justice League and associated comic book characters published by DC Comics and created by Julius Schwartz, Gardner Fox and Mike Sekowsky. It was the third series of Super Friends cartoons, following the original Super Friends in 1973 and The All-New Super Friends Hour in 1977. It continues to air on Boomerang in the United States.

Bear Grylls is taking it up a level by teaching his celebrity guests essential survival skills that they'll have to master and then prove they can use in a high stress situation.

Jailed for his role in a gang heist and ditched by its female leader (Jayne Mansfield), a widower (Anthony Quayle) decides to keep the loot.

All-out war between the United States and an Asian country is averted when the two sides agree to settle their differences by each choosing a single soldier as champion and having the two men fight to the death on an isolated island.

Director Yuri Ancarani crosses the Persian Gulf to accompany a falconer to an important competition, entering the surreal world of wealthy Qatari sheikhs with a passion for amateur falconry. The opulence of this Middle Eastern gas state is on full display as the men race SUVs up and down sand dunes, fly their prized falcons around on private jets, and take their pet cheetahs out for desert spins in their souped-up Ferraris.

Champions and MVPs from the various versions of MTV's "The Challenge" are brought together to represent their countries and battle for the coveted title of “Challenge World Champion.”

The story of the 1983 America's Cup challenge, where the Australian team financed by business tycoon Alan Bond, finally wrests the cup from the New York Yacht Club, after an unbroken 132 year winning streak.

Dramatization of the first climbing of the Matterhorn in 1865.

The search for Britain's best amateur interior designers. Working in a variety of architectural styles, the contestants have three days to impress both the judges and the homeowners.

Bulldog Drummond investigates the murder of a sea captain who died before revealing the location of his hidden gold.