The ultimate quiz show, a super-tournament! Grand Slam USA places top contestants who have appeared on other game shows, in the toughest quiz on television, testing all aspects of mental agility and requiring contestants to put their money where their mouths are. Presented by Dennis Miller and Amanda Byram.

16 of the biggest winners in American game show history, from Jeopardy legend Ken Jennings to several $1m Who Wants To Be A Millionaire Winners, go head to head to become the ultimate champion of champions.