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The Krypton Factor is a British game show produced by Granada Television for broadcast on ITV. The show originally ran from 7 September 1977 to 20 November 1995 and hosted by Gordon Burns. Contestants across the United Kingdom and Ireland competed in rounds that tested their physical stamina and mental attributes. The show's title refers to Superman's home planet, Krypton, the title perceiving that the contestants had strong superhuman "powers" for participating in the challenges they were set. imdb.com