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.
1957
1976
2000
2023
1964
2009
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1988
2022
1992
2025
2020
1994
1977
1958
2008
2007
