& Dec's Gameshow Marathon, a celebrity game show tournament produced as part of commemorations of ITV's 50th anniversary. Another one-off revival was broadcast as part of the similar 2020 ITV series Alan Carr's Epic Gameshow. This version added a bonus round, where one of the contestants selects boxes from rows of a pyramid, and could risk their prizes for a chance at a major prize inside one of two "golden boxes" placed at the top of the pyramid. Gameplay Yes-No interlude In this opening game, the host asked the contestant a series of questions in a 60-second span. The contestant could not say "yes" or "no", nor could they nod or shake their heads. If they did, the co-host would bang the gong and the next contestant would be introduced. Those completing the minute successfully were awarded five shillings. In the 1992–1999 version they were awarded £1 a second. Box numbers and the prizes There were 10 boxes numbered from 1 to 10. Three of them would contain booby prizes, one would contain a card awarding a star prize (e.g., a small car or holiday package), and six would contain cards announcing other prizes (e.g., appliances, furniture, or a "treasure chest" of cash (£50 in the Miles series, £500 in the first O'Connor series, £1,000 for the remaining series). No-one, including the host, knew which prize was in each box. However, the audience was given a preview of the actual prizes, shown on screen, and listed by Bob Danvers-Walker, from off-screen. The list always culminated in the announcement of "tonight's star prize". Contestants would be asked general-knowledge questions. If they answered three out of four questions correctly, they picked a key from a set of ten, corresponding to one of the first ten boxes. The host would then try to buy back the key with increasing amounts of cash, up to about £50 (or, in the revival, a number of hundreds of pounds). One box also included a key to box 13, which would trigger another round of bidding while the contestant had to choose between their first prize, cash, or box 13 which could have an expensive household item or a booby prize. Cultural references A sketch in Monty Python's Flying Circus (called "Spot the Brain Cell" in a later audio version) features John Cleese portraying a wildly exaggerated version of Michael Miles. One contestant opts to play for