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.
2016
2021
1966
2025
2002
2001
2013
1973
2015
1959
1992
2004
1968
1964
