Catch up with the twelve former Real World and Road Rules alumni who are returning to compete in the 'Extreme Challenge' as they fill us in on how they've changed, what they regret from their show, and where they are today.

Meet the 32 former Real World and Road Rules alumni who will be competing on this season of the Real World/Road Rules Challenge: Battle of the Sexes. Hosted by Olympic Ski Jumper, Johnny Moseley, and Real World Hawaii alum Ruthie.

'Real World: Miami' and 'Extreme Challenge' alum Dan Renzi links two former 'Real World: Back to New York' roommates through 19 degrees of hookin' up on 'The Real World,' 'Road Rules,' and 'The Challenge.' Recap some of your favorite reality couples and learn about some never before seen hook ups.

Host Johnny Moseley, and 'Battle of the Seasons' champ Coral introduce the twenty-eight new competitors who will be arriving in Telluride, Colorado for 'The Real World/Road Rules Challenge: The Gauntlet.'

MTV VJ Damien Fahey recaps this season of the 'Real World/Road Rules Challenge: The Inferno' going into the final Inferno of the season.

Former 'Battle of the Sexes' competitors and eager new Challengers recap the first 'Battle' and give some insight on what to expect in the most anticipated re-match in 'Challenge' history.

Twenty competitors face off in Manzanillo, Mexico. Veronica and Derrick are among the returning challengers. First up: physical tests conducted by two Navy SEALs.

The teams take part in the "Juice It Up" challenge, which requires them to race on stilts and squeeze fruit into juice.

Fighting erupts amongst the ladies; and Tonya targets team outcast Beth. Also: the teams compete in the "X Marks the Spot" challenge; and the first women's Inferno nominations stirs up tensions amongst the gals on both teams.

The "bad" team plots to lose the "Run For Your Money" challenge in order to use the Life Shield. Also, the Inferno claims its first female victim.

One of the "Bad Asses" decides to leave the competition. The "Bad Asses" fare poorly in the "Shirt Off My Back" challenge, which causes friction among the teammates.

Karamo alienates himself from his team when he bows out of the "Dodge Yer Balls" challenge.

Jodi's friendship with Derrick is tested; the teams face off in the "Fill in the Gaps" challenge.

The teams square off in the "Zip Up" challenge, which finds the players trying to traverse inclined ropes while suspended 200 feet in the air.

The teams take part in the "Never Ending Climb" challenge, which finds them collecting necklaces while scaling ladders held aloft by a crane. Also: Tonya has issues with her teammates.

Brad has issues with Mike after Mike gives him a wedgie. Also; the teams compete in drag racing, but with a twist: margarita glasses are placed before the finish line, and if they're upset, each contestant has five minutes added to their time. .

The teams must solve a riddle and transport several objects across a lake.

The contestants must ride mini-bikes across one of two different paths. Also: Tonya and Julie square off in the Inferno.

The teams have their memories tested in a challenge, and CT's scheme to get more of the money pays off when the next pair of "Inferno" nominees are revealed.

The contestants take part in the "Crab Grab", which requires them to carry crabs across the beach to a box.

The contestants compete in the "Heart Rate Bungee", which partners them with members of their team for bungee jump. Before they can leap, however, they must lower their heart rates to below 100 beats per minute; whichever team has the lowest average wait wins.

The 10th-season finale.

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The new cast of The Gauntlet 2 arrive to Trindad and Tobago. Their newest host, BMX rider T. J. Lavin, informs them that they would be competing for a spot as team captain. While the captain position comes with perks, it also comes with a price—the captain of the losing team would be forced to go into the Gauntlet (the elimination round) where they will face-off against another challenger from their team. Jo finds the living conditions too much to handle.

Facing off in their first challenge, "Chock Full o' Coconuts," the Veterans set out to prove whether prior challenge experience will prevail over the Rookies' youthful enthusiasm. Later, at the first men's Gauntlet showdown, a heated battle results in the first player to be eliminated from the game.