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.
1973
2011
1999
2023
2024
2020
1982
2002
1989
1950
2014
1993
2018
2022
2008
1998
1970
