text: It's a Knockout! is a British game show first broadcast in 1966. It was adapted from the French show Intervilles, and was part of the international Jeux sans frontières franchise.
  History
  The series was broadcast on BBC1 from 7 August 1966 to 30 July 1982; thereafter a number of specials were broadcast until 25 December 1988. An episode was made by TVS for ITV which aired on 28 May 1990 as part of its ITV Telethon that year with Bernie Clifton as the host.
  Welsh version
  A Welsh version,  (Games without Frontiers), was broadcast from 3 August 1991 to 24 December 1994 on S4C. It had Welsh teams battling against European contestants dressed in pink colours. Nia Chiswell and Iestyn Garlick presented. Locations included Bodelwyddan Castle, with Nia dressed as Alice in Wonderland. The series won a BAFTA Cymru award in 1994.
  The series was later re-dubbed into English by Stuart Hall and broadcast on The Family Channel, from 1993 to 1994.
  Channel 5 version
  In April 1999, Channel 5 bought the rights to the show, and started filming on 15 August in Reading, Berkshire with new presenters Keith Chegwin and Lucy Alexander, alongside referee Frank Bruno and scorekeeper Nell McAndrew.