Contestants are required to evict one of their own on a regular basis ; in the earlier series of Big Brother, contestants were evicted every two weeks, however, as introduced in the UK version, evictions occurred once a week, all of the current series of Big Brother follow this format.

Contestants faced questions fired at them by a panel of four sports and entertainment celebrities for two minutes ; like Mastermind, there were two rounds of questions, however slightly different: The 1st round had each panelist's questions representing a different sports category pertaining to their area of expertise, and the 2nd round had no categories and the contestant couldn't control who asked the questions ; they were fired at random.

Contestants for the Prix were assigned a theme from the literature of Classical Antiquity ; their individual identities were kept secret to avoid any scandal of favoritism.

Contestants were asked to predict how many of those 100 people responded in a specific manner.

Contestants were also given " Clip Chips ," which allowed them to replace a card if they correctly guessed the outcome of a video.

Contestants were originally allowed to change cards at will ( even three times on one card ), but the rules were changed to one card per line in early 1986.

Contestants who used such calculators were often called " Curta-crankers " by those who were limited to paper and pencil, or who used computers linked to the car's wheels.

Contestants " in the house " who did not make the final five were Geoff Brown, Tere Joyce, Sean Kent, Dave Mordal, and Rob Cantrell.

MTV could only afford one square instead of nine, but otherwise the rules were unchanged: Contestants still had to get the X across, down, or diagonally.

Contestants who were successful at their challenges were rewarded with the coveted " GamesMaster Golden Joystick " trophy.

Contestants were required to perform tasks ( called " problems ") within a certain time limit which was counted down on a large 60-second clock.

Contestants were chosen from the studio audience and usually were married couples ; other pairs were engaged, dating, or were a familial relationship.

Contestants were introduced by the announcer, and prizes and gifts were presented by the other assistants.

Contestants Bunny and Xy were axed from the program in controversial circumstances.

Contestants were told the time for the Lightning Round, however, unless they measured it themselves, they could not tell how much time was left in the round.

Contestants were required to select at least one answer before passing control.

Contestants individually complete this round in an isolation booth referred to as The Kube and their heart rates are also measured while they take this test.

Contestants would be given ninety seconds to answer five general knowledge questions asked by Davidson.

* Studio ( competition length varies ): Contestants are asked to show off their creative skills in a competitive environment.

Contestants competed to find words on a grid that was similar to a word search puzzle that served as answers to questions asked by the host.

Contestants are asked to choose, in turn, one subject on which to receive a question.

Contestants are given a polygraph test administered by a polygraph expert in a pre-screening session answering over 50 questions.

Contestants alternated responding to questions to gain control of the cards.

" Contestants answered a series of questions from those subjects to earn points.

" Contestants had 20 seconds to ring in and answer as many questions as possible ; after this round, the TV immediately went " Off the Air " and the third-place contestant was eliminated.

Contestants answered questions based on categories that were determined randomly by a mechanism resembling a slot machine.

Contestants were spotted $ 200 to start the round, and host Clark would read a series of rapid-fire questions.

" Contestants repeatedly missed questions and, in Enright's own words, " It lacked all drama ; it lacked all suspense.

Contestants study questions about the Bible as well as memorize specific passages from the Bible from any of five approved English versions.

Contestants are awarded points for every question answered correctly, and there are four rounds: the first and third consist of 15 toss-ups and the second and fourth contain 10 toss-ups with the potential for bonus questions on a correct toss-up response.

Contestants answered general-knowledge questions to connect dots that made a portrait of a famous or historical person.

Contestants answer questions in various categories to put up their respective symbol, X or O, on the board.

Contestants buzzed in to answer questions ; each right answer moved the contestant up one step while a wrong answer eliminated that contestant from the next question.

Contestants received marks out of ten from the four judges in three categories such as " presentation ", " content " and " star quality "-The " star quality " category was later replaced by " entertainment value ".

Contestants removed numbers from the board based on the value of the roll of the dice, either all by itself or in combinations.

Contestants could win anything from jewelry to GSN merchandise, or during month-long contests, a new car or a hot tub.

As a result, the category of " Most Contestants " was temporarily banned from the Guinness Book.

Contestants from the contest have appeared on Johnny Carson's The Tonight Show and the Late Show with David Letterman.

Contestants from across the United Kingdom and Ireland competed in a series of rounds that tested their physical stamina and mental attributes.

Contestants cannot be required to start a run from an off-center alleyway, but contestants are not allowed to enter the arena and " set " the horse.

Contestants from the same state have won the title of Miss America in consecutive years several times.

Contestants first chose a subject category ( such as " Boxing ", " Lincoln " or " Jazz ") from the Category Board.

Contestants launch themselves from the end of the pier ; a prize being awarded to the one who glides the furthest distance.

Contestants came from all over Wales, England, Scotland and Ireland to compete for chairs in music and poetry.

Contestants from other reality shows, like The Amazing Race, Survivor, American Idol, The Apprentice, and The Real World, played for a grand prize and other bonus prizes such as cars and vacations.

Contestants from the Air Force, the Army, the Marines, and the Navy competed.

Contestants from the 2008 contest, starting with the winner Dima Bilan appeared on the Italian show Carramba!

Contestants kept any money banked during a game, regardless of the outcome, making Bullseye one of the few Barry & Enright shows to allow losing contestants to keep winnings from the game.

Contestants wearing flippers jump into a swimming pool from a platform, the height of which is gradually raised.

Contestants have to fall to the floor as fast as possible from a standing position.

Contestants must jump from standing onto a table-like platform.

Contestants were selected from the crowd around MTV's Times Square office, and narrowed down via challenges testing the applicants ' music knowledge and personality.

Contestants must guess the title of the song the mismatched lyrics are from.

Contestants often wear sashes indicating where they are from in bikini contests, in similarity to the tradition in other beauty pageants.

Contestants are selected from regional, district, and state ISEF affiliated fairs.