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.
1987
1964
2024
2022
2021
1948
1953
1984
1975
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1995
1966
2016
2015
2003