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.
2017
2015
2022
2021
2016
2024
1979
2023
1969
1989
2009
1986
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2019
