Jeopardy Host Alex Trebek Schools Contestants with NFL Knowledge

The contestants who grace us with their presence on Jeopardy are some of the smartest human beings in the world, although sometimes even the smartest get tripped up.

On Thursday's edition of Jeopardy, host Alex Trebek had to do a little home-schooling of his three game show contestants when it came to the category of "Talkin' Football"

Watch as Trebek has some fun at their expense as they all stand quietly as each question comes and goes.

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