|Guest appearances of Ranulph Fiennes
|28 October 2008
|29 September 2015
|Episodes with Ranulph Fiennes
Sir Ranulph Twisleton-Wykeham-Fiennes, usually shortened to Sir Ranulph Fiennes, is a guest on Countdown. He is an adventurer, famed, among other numerous other things, for running seven marathons in seven continents in seven days.