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.
2014
2011
2021
1987
1995
1950
1991
2007
1990
2002
2024
—
2003
1955
2013
1994
2023
