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
Countdown (game show) the times when they occur during the programme, therefore reducing Countdown's actual show length from 36 to 35 minutes. Since "Countdown"<nowiki>'</nowiki>s debut in 1982, there have been over 6,500 televised games and 76 complete series. There have also been fourteen "Champion of Champions" tournaments, with the most recent starting in January 2016. Several of "Countdown"<nowiki>'</nowiki>s most successful contestants have received national media coverage. Teenager Julian Fell set a record score of 146 in December 2002. In 2006, 14-year-old Conor Travers became the youngest series champion in the show's history, and 11-year-old Kai Laddiman became the youngest octochamp for 20 years.