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Recap / The X-Files S09 E04 "4-D"

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Season 9, Episode 04:

erehT tuO si hturT ehT Translation 
Written by Steven Maeda
Directed by Tony Wharmby

"We've got the block surrounded. He isn't vanishing anywhere. And your partner volunteered. Now, open the 4-D."
Brad Follmer, who was talking about a letterbox, but unintentionally meant something far more sinister.

A serial killer who can travel between parallel universes targets Doggett and Reyes.


  • Behind the Black: Justified; Lukesh's ability to step between worlds means he can literally come out of nowhere.
  • Big Damn Heroes: Follmer swoops in just in time to shoot Lukesh in the head, saving Reyes from him.
  • Bittersweet Ending: Lukesh is stopped and the normal Doggett is brought back, the dimension restored, but the alternate universe Reyes and Doggett, among Lukesh's other victims in that world, are still dead.
  • Even Bad Men Love Their Mamas: Lukesh diligently cares for his mother, and when she calls him out on his suspicious behavior and claims she'll go to the FBI, he begins crying profusely as he kills her to keep her silent, then blames Reyes for making him do it.
  • Expendable Alternate Universe: Lukesh's M.O. With his ability to step between worlds, he commits horrible crimes in the one universe while living a normal life free of suspicion in the other. Ultimately the alternate Reyes and Doggett are both dead.
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  • The Greatest Story Never Told: Reyes is going to have a hell of a time explaining the events of the episode, if she even decides to.
  • Obstructive Bureaucrat: Follmer as ever, though he eventually proves his usefulness.
  • Punny Name: 4-D refers to the locker number belonging to Lukesh and also his ability to move through multiple worlds.
  • Reset Button: Reyes theorizes that Doggett accidentally moved between universes, displacing that universe's Doggett in the process. Doggett ultimately agrees and submits his own theory that the original Doggett will be able to return if he dies. Reyes takes Doggett off of life support and he dies, returning things back to normal, for our universe, at least.
  • Ship Tease: Plenty of it between Reyes and Doggett for this episode.
  • Slashed Throat: How Lukesh kills the alternate Reyes.
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  • Useless Security Camera: Although Reyes' place is fitted with all sorts of security cameras, Lukesh manages to warp into a blind spot and corner her. Fortunately, the prolonged absence of Reyes on camera is suspicious enough to bring everyone running just in time to save her.

Doggett: Monica, what's wrong?
Reyes: I'm good. Good.