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
2022
2011
2020
1978
2017
2004
2025
1973
1990
2013
2008
2005
