Teams compete to navigate rooms flooded with lava by leaping from chairs, hanging from curtains and swinging from chandeliers.

Teams answer questions to earn time and advantages over their competitors before going on a supermarket shopping spree. The team that adds the most valuable items to their carts wins.

The competition sees celebrities perform choreographed dance routines which are judged by a panel of renowned ballroom experts and voted on by viewers. Enjoy sizzling salsas, sambas and spray-tans as they vie for the coveted Mirrorball Trophy.

Pet Star was a show on Animal Planet hosted by Mario Lopez. The show is a contest between owners and their trained pets who perform tricks. The tricks are graded by three celebrity judges on a scale of one to 10. In the end, the three pets with the highest score come out as finalists, and the audience votes on who is the episode's Pet Star. Then, at the end of the season, the winners compete to be the year's ULTIMATE PET STAR. The winner of a regular show gets $2,500, while the winner of the finals gets $25,000. There were many celebrity judges, including Gena Lee Nolin, Virginia Madsen, Will Estes, Lindsay Wagner, Matt Gallant, Mackenzie Phillips, Billy West, James Avery, George Wallace, Melissa Peterman, Christopher Rich, John O'Hurley, Vanessa Lengies, Dom Irrera, Carol Leifer, Andy Kindler, Melissa Rivers, Meshach Taylor, Kaley Cuoco, Rosa Blasi, Jeff Cesario, Karri Turner, Peter Scolari, Bruce Jenner, Fred Willard, Shari Belafonte, Josh Meyers, Lori Petty, Ben Stein, Richard Jeni, Ken Howard, Paul Gilmartin, Maria Menounos, Tempestt Bledsoe, David Brenner and Amy Davidson. Pet Star is based on the show Star Search. It is shown in the United Kingdom on Challenge.

Academic quiz show where teams of students from UK universities answer questions on all manner of subjects.

Total Drama Island focuses on twenty-two teenagers' arrival at Camp Wawanakwa to compete on a reality television show. The contestants are divided into two teams and must compete in challenges every three days. While the winning team earns invincibility, the losing team has to vote off one of their own players. Whoever is voted off must walk the Dock of Shame to the Boat of Losers and leave the island. The teams eventually dissolve and the elimination process continues until the last contestant standing wins a grand prize of $100,000.