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Are You Smarter Than a 5th Grader? is a television game show format based on posing grade-school level questions to adults, hosted by Jeff Foxworthy. This television show began broadcast on the Fox Broadcasting Company network as a special in the United States and Canada on February 27, 2007, and it grew to be popular enough that a half-hour-long syndicated TV series was developed by the owners.

The Book Quiz is a literary panel show. The first series, broadcast in 2007, was hosted by David Baddiel with a second 2008 series was hosted by Kirsty Wark.

Ciao Darwin is a variety game show format from Italy sold under licence to several countries, including Romania, Hungary, Poland, Serbia, Canada, USA, China and Greece. There are two competing teams of about 50 people each, usually made up of people who fit certain opposing stereotypes. In each game two members of the audience are selected at random, one from each team, indicated by a light in front of them which remains illuminated when all the other team members' lights have gone off. The games involve contestants competing in acts of bravery, style and talent, some of which are designed to humiliate the contestants, especially an assault course which was introduced with the Italian version in 2010, and the Finale which is a water tank game.

Takeshi's Castle was a Japanese game show that aired between 1986 and 1990 on the Tokyo Broadcasting System. It featured the Japanese actor Takeshi Kitano as a count who owns a castle and sets up difficult challenges for players to get to him. Contestants throw themselves into daunting physical challenges as they attempt to storm Takeshi's Castle and win the grand prize of one million yen. The show has become a cult television hit around the world. A special live "revival" was broadcast on April 2, 2005, for TBS's 50th anniversary celebrations.

Secret Talents of the Stars is an American interactive reality game show where celebrities competed against each other in a tournament-like format in areas that differed from their normal professions, like singing, dancing, and acrobatics. Viewers were to vote on the most talented celebrity. The show premiered on CBS on April 8, 2008, but was canceled the following day due to low ratings, making it one of the few series to be canceled after one episode.

Human cannonballs! Human pinballs! Crashes, smashes and mud splashes! Twenty-four thrill-seekers will compete in the world's largest extreme obstacle course designed to provide the most spills, face plants and wipeouts ever seen on television.

Host Rosie Jones pits Katherine Ryan and Judi Love's teams against each other in judging 'Rosie's Regulars'. Comedians compete in hilarious rounds, before one of the regulars play for a cash prize.

Hider in the House was a British children's game show presented by Jason King and Joel Ross. In the programme, a celebrity had to be hidden in a family's house by three children and a parent. If the family have fewer than three children, they use friends or related children to make up the numbers. The other parent of the family thinks they are taking part in a totally different programme. The children involved must undergo a series of tasks to win prizes which they will receive if the unaware parent does not work out what is really happening. The tasks are sometimes very messy or involve getting the unaware parent to do strange things. The format, was devised by Eyeworks UK, won the Best Entertainment prize at the 2008 Rose d'Or ceremony.

Wizarding World fans put their Harry Potter knowledge to the test for the ultimate honor to be named House Cup champion.

Featuring the country's best a cappella groups performing popular songs like you've never heard them before. There's no lip-synching, backup bands or safety net. They'll be singing for America's vote, with the winner walking away with the ultimate prize - a Sony Music recording contract and $100,000.

Human cannonballs! Human pinballs! Crashes, smashes and mud splashes! Twenty-four thrill-seekers will compete in the world's largest extreme obstacle course designed to provide the most spills, face plants and wipeouts ever seen on television.

Status and strategy collide in this social experiment and competition show where online players flirt, befriend and catfish their way toward $100,000.

Welcome to "Escape the Night." In this surreality competition series, hosted by Joey Graceffa, 10 guests are invited from the modern world to attend a dinner at his newly acquired mansion estate, which has been locked in the 1920's; when America was roaring... roaring with madness. This is a dinner party to die for. No one is safe.

A talented cast of aspiring makeup artists live and work together as they attempt to prove their potential to industry professionals from a multitude of worlds from fashion to film. With regular eliminations, the challenges not only test their skills under pressure but also give them the opportunity to unleash their creative vision with jaw-dropping results.

Couples who prove their compatibility gain the power to make or break other matches in this strategic and seductive dating competition.

Just up the river from our nation’s capital lies a hidden gem—Potomac, Maryland. Its rolling hills, gated mansions, sophisticated prep schools, and exclusive country clubs all serve to keep the area invitation-only. Sprinkled throughout this community are a handful of old-line, wealthy African-American families who have historically broken racial barriers to provide a life of privilege for their children. In a town where entry is granted only through class, pedigree, and lineage, how far will the ladies go to secure their spot at the top of this prestigious circle?

In the pursuit of love, 10 singles take the brave steps of stripping off before entering a daring, dating experience. Unclothed they must begin to get to know each other, before their connections are put at risk.

Heidi Klum and Tim Gunn host designers who face challenges and assignments that will test their design skills and their abilities to run all aspects of a business.

Set in Fiji, fan-favorite Islanders from various Love Island series across the globe – USA, UK, Australia and beyond – are brought together for a second shot at love as they compete in a brand-new format to be crowned champions. In this cheeky new iteration, romance will meet reality as fan-favorite Islanders are faced with both team and couples’ challenges, all while navigating dating, eliminations, recoupling, dramatic arrivals and new competition twists and turns like never before.

Ten master artists turn up the heat in glassblowing sculpture challenges for the chance to win $60,000 in prizes and the title of champion.