Countdown (game show) World Records" for the most series of a TV game show broadcast. Countdown (game show) Countdown is a British game show involving word and number puzzles. It is produced by ITV Studios and broadcast on Channel 4. It is currently presented by Nick Hewer, assisted by Rachel Riley, with regular lexicographer Susie Dent. It was the first programme to be aired on Channel 4, and 77 series have been broadcast since its debut on 2 November 1982. With over 6,500 episodes, "Countdown" is one of the longest-running game shows in the world, along with the original French version, "Des chiffres
Hot30 Countdown was launched as "Hot30 Countdown TV", airing Saturdays from 10am to 12noon and Sundays at 9am to 12noon. On 31 January 2012 Garrett revealed on the show that she was leaving on 10 February and it was announced on Friday 9 March that Mel Greig (of "Amazing Race Australia") would be the replacement co-host. In November Acton announced that he was leaving the show to work at Sea FM on the Gold Coast, Queensland with Fox FM morning presenter, Mike Christian (MC) replacing Acton in early December. On 6 December 2012, the day after the then pregnant Catherine, Duchess of