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.
1991
1987
1993
2015
2013
2024
2023
2008
1984
1969
1971
2021
2020
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1994
