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Tag Archives: ‘Concentration’

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On this day in 1958, NBC’s fledgling daytime game show, Concentration, was added to the network’s prime-time lineup as a temporary replacement for Twenty-One, which had been pulled from the...

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On this day in 1958, NBC’s fledgling daytime game show, Concentration, was added to the network’s prime-time lineup as a temporary replacement for Twenty-One, which had been pulled from the...