500 Questions

Hosted by Dan Harris, 500 Questions challenges the smartest people in the country to achieve the seemingly impossible task of answering 500 of the most difficult general knowledge questions ever devised. There's only one simple rule: never get three wrong in a row — or you're gone. No saves, no helps, no multiple choice, 500 Questions keeps you on the edge of your seat to see if any of these geniuses can do it. It is the ultimate test, where intellect, strategy and stamina are all equally essential in order to win.
-Source: TVMaze