DC's Legends of Tomorrow

Season 1, Episode 11: The Magnificent Eight

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The Legends travel back to the Old Wild West and gain the aid of a true legend, a morally ambiguous gunslinger with a penchant for danger, Jonah Hex, who has been battling outlaws and gangs and happens to know a thing or two about time travel. Hex warns the Legends to be extra careful in their journey to the small town of Salvation.