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
Sarah Walker (television presenter) Show. She writes for a number of interior style, home and investment publications on a wide variety of UK and overseas property-related subjects, is the Property Editor for Gay Times Magazine, and works freelance as PR & Communications Manager for Platinum Property Partners http://www.platinumpropertypartners.net/, the world’s first property investment franchise. As a Franchise Partner in the business, she is currently building a cash-positive investment portfolio in Bournemouth & Poole. Sarah Walker (television presenter) Sarah Walker (born 29 March 1974) is a property investor, broadcaster and freelance property writer, best known for her role in "To Buy or Not to Buy".