Three challengers take on some of the greatest minds in trivia in this exciting showdown of smarts and strategy; the last contestant standing will face off against the episode's highest scoring Master Mind in a head-to-head battle.
2015
1990
1967
2000
2007
2006
2009
—
1969
1956
1958
1972
1989
1988
1964
2010
1971
2008