Legion is coming to an end, with its penultimate episode airing this week.
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David has gone into the past to confront Farouk at the time he met his father, Charles Xavier.
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His time-traveling companion, Switch, has used the last of her power.
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David's father, who will become the Professor X of the comics, remains skeptical.
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There's little time for them to defeat Farouk, who has himself changed the time stream.
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Meanwhile, David's ex-girlfriend Syd is attempting to change his childhood from the past.
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She's befriended his mother, Gabrielle Haller, while David is a baby.
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Legion's third and final season will end next Monday.
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