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
The Gadget Show the 17th series, Jason Bradbury and Pollyanna Woodward were joined by "Countdown" co-presenter Rachel Riley and former Gadget Show presenter Jon Bentley who re-joined the show as chief gadget tester. It was announced that "The Gadget Show" would return to its more traditional format, with a new studio. On 30 January 2014, it was announced that Ortis Deley would be returning to the show, replacing Pollyanna Woodward. On 25 April 2014, it was announced that Riley would be leaving the show and would be replaced by Olympic skeleton gold medallist, Amy Williams. From the 22nd series, in-studio presenter links were