Grand Slam

Rahim Oberholtzer from Twenty-One vs. Phyllis Harris from multiple game shows and John Carpenter from Who Wants to be a Millionaire vs. Thom McKee from Tic Tac Dough.

Winners Nancy Christy and Ogi Ogas go head to head in the first game, while the second has David Legler from 'Twenty-One' against 'Jeopardy's' Frank Spangenberg.

The quarterfinals begin as Jeopardy!'s Brad Rutter goes up against Ogi Ogas from Who Wants To Be A Millionaire? And in the second match, Lezsek Pawlowicz of Win Ben Stein's Money will go head-to-head against Twenty-One's second millionaire, David Legler.

The quarterfinals continue as The Weakest Link's Michelle Kitt will battle against Who Wants to be a Millionaire's first winner, John Carpenter, and in the second match, Jeopardy!'s record-breaking man Ken Jennings will go up against Super Greed's Phyllis Harris.

Ken Jennings, Ogi Ogas, Michelle Kitt and David Legler are all battling for a shot at the finals next week that is worth $100,000 and the trophy to become the best game show contestant in the world.

Ogi Ogas goes up against Ken Jennings for $100,000, a trophy, and the title 'World's Greatest Gameshow Contestant'. The show will include highlights from the entire tournament and interviews with all the contestants.