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.
2008
2010
1967
1961
2017
2000
1996
1995
1971
1975
2018
1974
1980
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1956
2013
1986
1989
2014
1983