Episode Overview   Summary
Season 3
Episode 3
Airdate October 25, 2017
Written by Sam Esmail
Directed by Sam Esmail
Episode guide
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eps3.1_undo.gzeps3.3_metadata.par2 is the third episode of Season 3 of Mr. Robot. It was broadcast on October 25, 2017



<@mrrobot> hi. im tyrell wellick. former interim CTO of E Corp. ive been gone for a while. its time for an AMA!

Origin of the Title

  • In computing, a legacy refers to old or outdated computer hardware, software or data that, while still functional, does not work well with up-to-date systems.
  • The extension: The .so file extension is a shared library loaded by C and C++ programs when they start; it usually contains functions and other shared program logic.


This episode is concurrent with the events that happened in Season 2. On 5/9, Mr. Robot planned to shoot Tyrell, but the gun jammed, which Tyrell took to be a sign that they are meant to be gods. Mr. Robot reluctantly allowed Tyrell to work with him for 'protection', but Dark Army agents led by Irving reveals that Stage 1 was not fully effective, and they bring Tyrell to a isolated cabin to protect him, while Mr. Robot gets arrested due to Elliot's actions. After a grueling recruitment test, Tyrell stays at the cabin to plan Stage 2 and prepare the femtocell. After several weeks, frustrated at Elliot's confusion and Joanna's divorce, he escapes the cabin, only to be caught by a police officer. Though he breaks his thumb to escape his handcuffs, he is saved by Agent Santiago, revealed to be working for the Dark Army. Eventually, Tyrell moves back to the city to reunite with Elliot, but he shoots him. During Elliot's surgery, Angela reveals Elliot's dual personality to Tyrell, and a reawakened Mr. Robot smiles at Tyrell.

Episode Notes

  • The assessment of Tyrell Welleck used by Wallace Shawn's character is typical of those used by mind control groups, notably Scientology in its "auditing" sessions, which involve lengthy periods of asking the same question repeatedly until the sought-after response is received.
  • The episode includes a number of references to The Shining, including the credits scroll over an aerial shot of a moving car.



In this episode, the progression of the music describes the change in Tyrell's state of mind, from resistant to compliant.

  • "If You Could Read My Mind". Performed by Gordon Lightfoot.
  • "I Ain't Goin' Out Like That". Performed by Cypress Hill
  • "I'm Your Puppet". Performed by James and Bobby Purify.
  • "Experiment in Terror", from the original soundtrack for the film Experiment in Terror (1962). Written and conducted by Henry Mancini.


Easter Eggs

Season 3 Episodes

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