Winner Take All
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Winner Take All was an American television game show that ran from 1948 through 1952 on CBS. It is notable as the first game show produced by the Mark Goodson and Bill Todman partnership, who would go on to create many more.
The game format involved two contestants answering general knowledge questions or doing discovery tests inside the studio. This was the first game show to introduce lockout buzzers and also the first to bring back winners as returning champions.
The hosts of Winner Take All were Bud Collyer for 1948 through 1950, Barry Gray for 1951, and Bill Cullen for 1952.