Dancing with the Stars

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.

Monét X Change and Rob Anderson host a competition where eight RuPaul's Drag Race queens face off in outfit construction challenges to win the grand prize and the title of Glam Slampion.

Idols compete in an athletic competition, divided by teams.

Aspiring models compete for a chance to break into the business with a panel of judges critiquing their progress throughout the competition.

A single bachelor dates multiple women over several weeks, narrowing them down to hopefully find his true love.

The Biggest Loser features obese people competing to win a cash prize by losing the highest percentage of weight relative to their initial weight.

A group of artist trainees compete in a reality show to develop skills and find the perfect partner to win a lead role in a new Domundi BL series.

Trefbal Royale

Three skilled teams hit the beach to renovate identical beachfront properties. With some help from Ty Pennington, Alison Victoria and Taniya Nayak, they'll compete to wow the judges with their home remodels and walk away with a $50,000 cash prize!

In a BattleBots event the competitors are remote-controlled armed and armored machines, designed to fight in an arena combat elimination tournament. If both combat robots are still operational at the end of the match the winner is determined by a point system based on damage, aggression, and strategy. The television show BattleBots aired on the American cable network Comedy Central for five seasons, covering five BattleBots tournaments. The first season aired starting in August 2000, and the fifth season aired starting in August 2002. Hosts of BattleBots were Bil Dwyer and Sean Salisbury and correspondents included former Baywatch actresses Donna D'Errico, Carmen Electra, and Traci Bingham, former Playboy Playmate Heidi Mark, and identical twins Randy and Jason Sklar. Bill Nye was the show's "technical expert". After five 'seasons', Comedy Central terminated their contract with BattleBots Inc. in late 2002.

Yo Momma is a American reality television game show based upon the black urban culture of insulting another's mother. Creators, executive producers and hosts are Wilmer Valderrama, along with Sam Sarpong, Jason Everhart and Destiny Lightsy. The show - which ran from 2006 to 2007, and as the title suggests - used "yo momma" jokes, and many episodes featured guest appearances from rappers.

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.

Sue Perkins hosts the epic snowman building competition, where celebrities aim to show the most powdery prowess and sculpt the most impressive snow creations

Celebrities battle each other with lip sync performances.

The special thing about this unusual cooking competition: In each episode, the two top chefs decide in which country the other chef must complete his difficult task. After arriving in the respective country, the two competitors are served the favorite dish of his regular guests by a local chef in the black "Kitchen Impossible" box. They then have to prepare the dish they tasted in the kitchen themselves to the best of their knowledge and ability, copying it as precisely as possible. The highlight: In "Kitchen Impossible" both the exact recipe and the list of ingredients remain a secret for the two chefs.

Youthful ingenuity is on display in this new competition series that features teams of inventive students tasked with designing, building, and testing new contraptions to vie for the title of Shop Class Champs. In each episode, they’ll present their work to a panel of experts who will rate their projects based on engineering, design, and the final test of the build.

Performers compete for a multi-episode guest-starring role on season three of hit series Glee. Over the course of the competition, the winner will be determined from eliminations of twelve finalists and be awarded a role in a seven episode arc as part of the cast of Fox Network's musical drama series Glee.

The portuguese adaption of UK's original talent show Britain's Got Talent, a unique format that gives anonymous people, individual or in a group, the chance to show their artistic gifts in the most diverse areas with no age restriction.

Iron Chef America: The Series is an American cooking show based on Fuji Television's Iron Chef, and is the second American adaptation of the series, following the failed Iron Chef USA. The show is produced by Food Network, which also carried a dubbed version of the original Iron Chef. Like the original Japanese program, the program is a culinary game show. In each episode, a new challenger chef competes against one of the resident "Iron Chefs" in a one-hour cooking competition based on a secret ingredient or ingredients, and sometimes theme. The show is presented as a successor to the original Iron Chef, as opposed to being a remake. The Chairman is portrayed by actor and martial artist Mark Dacascos, who is introduced as the nephew of the original Japanese chairman Takeshi Kaga. The commentary is provided solely by Alton Brown, & Kevin Brauch is the floor reporter. The music is written by composer Craig Marks, who released the soundtrack titled "Iron Chef America & The Next Iron Chef" by the end of 2010. In addition, regular ICA judge and Chopped host Ted Allen provided additional floor commentary for two special battles: Battle First Thanksgiving and Battle White House Produce.

Treasure Hunters is a reality television series on NBC and Global Television in which ten teams of three solve puzzles and complete challenges in hopes of solving the ultimate puzzle and winning the grand prize. Teams travel across the United States and Europe in search of seven "artifacts" which when assembled will "lead to the key. Find the key, and find the treasure." The challenges and puzzles are spliced with American history, and the ultimate goal is to find a hidden treasure, leading the show to be compared on various occasions to the film National Treasure. The value of the treasure in the series was revealed on the season finale to be $3,000,000. The two-hour premiere episode aired on June 18, 2006 and beginning June 26 the series moved to its regular Monday night timeslot. The season finale was broadcast live on August 21, 2006. The Hunt is similar in format to The Amazing Race. Key differences include: ⁕Teams consist of three members as opposed to The Amazing Race's usual two ⁕The start location of each leg is not necessarily the end point of the previous leg ⁕Teams start each leg at the same time; Amazing Race teams have staggered starts based on previous leg finish order