Contestants play a version of tic-tac-toe by answering questions to win squares on a game board. The popular quiz show enjoyed many incarnations from the 1950s to the '90s, both in daytime and prime time, on NBC, CBS and in syndication.
2001
2017
1997
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2024
2006
1979
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2013
2011
2022
1991
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2025
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