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.
1990
2022
1976
—
2007
2023
2017
2016
2001
2006
2005
1969
1956
1958
1989
