Stars on Mars

12 competitors from all facets of the beauty industry are challenged to become the next American Beauty Star. Challenges include creating high-end magazine editorial looks and red carpet styles for a Hollywood premiere.

Wayne Rooney hosts a competition that pits some of Britain’s best street footballers against each other in a series of public, skills-based challenges.

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.

The Surreal Life is a reality television series that sets a select group of past-their-prime celebrities and records them as they live together in Glen Campbell's former mansion in the Hollywood Hills for two weeks. The format of the show resembles that of The Real World and Road Rules, in that the cameras not only record the castmates' participation in group activities assigned to them, but also their interpersonal relationships and conflicts. The series is also likened to The Challenge in that previously known individuals from separate origins of entertainment are brought together into one cast. The show's first two seasons aired on The WB, and subsequent seasons have been shown on VH1.

Teams of amateur robot fighting enthusiasts battle it out over a series of rounds in a huge purpose-built arena aiming to become the Robot Wars Champion.

A group of "Beauties" and a group of "Geeks" are paired up to compete as couples for a shared $250,000 and other prizes. Each beauty lives together in a room with her geek during the course of the competition. There are challenges shown each episode, one testing the beauties on a primarily academic subject, and another that has the geeks competing in a more popular/social realm. The winners of the challenges select two teams to compete against each other in a pure "quiz show" type question and answer session: the team with fewer correct answers gets eliminated.

MasterChef USA, on PBS, is the original US adaptation of the BBC's MasterChef, a cooking competition for amateur cooks. Grab your whisks and hang on to your toques, as the 27 regional MasterChef champs chop, purée, roast, braise, sauté, simmer and grill their way through the Olympics of amateur cooking to the title of MasterChef USA! Host Gary Rhodes, one of Great Britain’s best-loved chefs, guides us through 13 half-hour episodes and an hour long prime time special. A panel of celebrity judges preside as 27 winning amateur chefs, wielding their own mouthwatering menus, battle over Brulée and Beurre Blanc, wrangle over roasted peppers and risotto, and strive to create the most satisfying soup, salad and soufflé.

La Tag BBQ

The Italian version of the world famous drag queen competition show RuPaul's Drag Race.

Competitive cooking show judging 20 pairs of amateur cooks from four regions of the UK.

Four super-talented and fiercely competitive singers, chosen from their auditions by the show’s panel of music industry experts, will try to defend their coveted spots on the stage, as they are challenged individually by new singers determined to replace them.

This culinary competition gives cooking enthusiasts the opportunity to face off against a professional chef. Martin Juneau and Danny St-Pierre try to defend their profession’s honour by taking on amateur chefs. Every week, participants band together to try to beat one of the two chefs.

Competitors who have made it to the finals of The Challenge kick it up a notch as they face off with celebrities for new prizes.

Junior MasterChef is a British TV cookery competition, broadcast by the BBC, in which nine- to twelve-year-olds compete to be crowned Junior MasterChef. It is a spin-off from the main series MasterChef. Junior MasterChef first ran from 1994 to 1999, presented by Loyd Grossman. After a long hiatus, it was revived in 2010 in a revamped format, presented by writer and actress Nadia Sawalha, previously a Celebrity MasterChef contestant and restaurant owner, and professional chef John Torode, who also presents MasterChef. The revival series was commissioned by CBBC Controller Anne Gilchrist and produced by Shine Television, and was broadcast on BBC One. A further series was commissioned in 2012 for broadcast on CBBC.

Aspiring fashion designers compete for a chance to break into the industry. Each week, a designer is eliminated from the competition after exhibiting their work in front of a judges' panel.

Large-scale couple survival program featuring engaged couples who are about to get married.

Iron Chefs Bobby Flay, Jose Garces, Michael Symon, Alex Guarnaschelli and Stephanie Izard face all-star chefs in an elite culinary competition of the highest order. Whose cuisine will reign supreme?

One house and 16 celebrities divided into 4 teams with the aim of managing 4 businesses. This format takes each of the celebrity teams to run a pizzeria, car wash, bed and breakfast, and beauty salon. The profits made are given to solidarity institutions. The celebrities are closed in a home with 24 hour monitoring and are evaluated based on the business results and on the public vote.

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.

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