Overview
"Plus One" is the third episode of the eleventh season of the American science fiction television series The X-Files. The episode was written by Chris Carter and directed by Kevin Hooks. It aired on January 17, 2018, on Fox. The traditional tagline, "The Truth is Out There" is displayed twice. The cold open features the song "Unsaid Undone" from David Duchovny's debut album Hell or Highwater.
Plot
In a small rural community event in Virginia, Arkie Seavers appears to see himself in the back of the crowd. Frightened, he drives away from the event, only to have his doppelgänger grab the wheel and drive him into a tree.
Fox Mulder (David Duchovny) ties the Seavers case to a number of people who have tried to kill themselves after claiming they saw someone who looked exactly like them. Dana Scully (Gillian Anderson) thinks Arkie is lying, but Mulder is more inclined to believe. The agents meet with a barely-alive Seavers and discuss his experiences. The agents meet a patient at a psychiatric hospital named Judy Poundstone (Karin Konoval), who has dissociative identity disorder. Her room is filled with games of hangman, which she claims she plays with her brother, Chucky, who lives across town.
After being placed into a cell, Arkie's doppelgänger appears in the cell with him, presumably killing him. Mulder and Scully check into a motel to sleep for the night. He comes to her in the middle of the night to reveal Arkie’s death. Scully argues that it is a suicide, while Mulder and Seavers' attorney, Dean Cavalier, doesn't believe so. Mulder finds the irascible Chucky (also Konoval), living by himself, with his walls also covered with hangman games. Meanwhile, Scully meets with “Demon Judy”, an evil alter ego, who seems to be flinging chocolate pudding at the cell door. A nurse tells Scully that both of the Poundstone parents hanged themselves. Scully tries to get more information out of Judy, but is tormented by this new nemesis by taunts of her supposedly not being young enough to bear children anymore.
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