The Challenge: Vets and New Threats - Season 1

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.

Scrapheap Challenge is an engineering game show produced by RDF Media and broadcast on Channel 4 in the United Kingdom. In the show, teams of contestants had 10 hours in which to build a working machine that could do a specific task, using materials available in a scrapheap. The format was exported to the United States, where it was known as Junkyard Wars as a completely different TV series. The US show was also produced by RDF Media, and was originally shown on The Learning Channel. Repeats have aired on another Discovery network, the Science Channel.

Tough and tenacious people are marooned on a tropical island with little more than the clothes on their backs and the drive to be the sole survivor.

A reality show contest where sixteen or more castaways split between two or more “Tribes” are taken to a remote isolated location and are forced to live off the land with meager supplies for roughly 39 days. Frequent physical challenges are used to pit the tribes against each other for rewards, such as food or luxuries, or for “Immunity”, forcing the other tribe to attend “Tribal Council”, where they must vote off one of their players.

Dancers selected in open auditions across America take part in a rigorous competition designed to best display their talents, training and personalities to a panel of judges and viewers as they strive to win votes and avoid elimination.

A pink-haired girl named Stephanie moves to LazyTown with her uncle (the mayor of LazyTown), where she tries to teach its extremely lazy residents that physical activity is beneficial.

The next generation of UFC stars are produced in an intense elimination tournament that separates the contenders from the pretenders.

12 to 16 contestants with poor cooking skills are taken through an eight-week culinary boot camp, to earn a cash prize of $25,000. The recruits are trained on the various basic cooking techniques including: baking, knife skills, temperature, seasoning and preparation. The final challenge is to cook a restaurant quality three-course meal for three food critics.

This reality competition sees teams embark on a trek around the world to amazing destinations where they must compete in a series of challenges, some mental and some physical. Only when the tasks are completed will they learn of their next location. Teams who are the farthest behind will gradually be eliminated as the contest progresses, with the first team to arrive at the final destination winning the race and the $1 million prize.

A high energy, fast paced cooking competition that challenges four up-and-coming chefs to turn a selection of everyday ingredients into an extraordinary three-course meal. After each course, a contestant gets “chopped” by our panel of esteemed culinary luminaries until the last man or woman left standing claims victory.