The series follows Elliot Alderson, a cybersecurity engineer and hacker with social anxiety disorder, who is recruited by an insurrectionary anarchist known as "Mr.
According to Nielsen Media Research, the episode was seen by an estimated 0.519 million household viewers and gained a 0.2 ratings share among adults aged 18–49.
After five weeks, he has managed to send the company's records to a warehouse in Sioux Falls, South Dakota, as well as tipping off law enforcement to multiple felonies by some of the higher-ups.
Darlene (Carly Chaikin) is revealed to be working for the FBI, but Dominique (Grace Gummer) pressures her into finding out more information from Elliot about his involvement with Tyrell.
Joanna (Stephanie Corneliussen) participates in an interview with conspiracy theorist and a talk show host Frank Cody (Erik Jensen), where it is revealed that Scott Knowles was arrested for Sharon's murder.
At the morgue, Dominique is told by Santiago (Omar Metwally) that Joanna's baby will be put up for adoption, as Tyrell could be alerted.
At the 2015 G20 Antalya summit, Price (Michael Cristofer) announces that the majority of countries have signed the Five/Nine Economic Accord, which will allow the E Coin to be used as a currency, although China is opposed to using it.
Later, Zhang tells his associates that Stage 2 must happen on the same day as the UN vote on the Congo annexation, as a form of punishment for Price.
Lenny laments how Elliot can evade so many things, but eventually decides to give him back his dog as he dislikes paying for its bills.
At times, it was as much pure fun as I can remember the show being while still staying on-mission, while at others, I felt like I needed to go to the craft store to get conspiracy board supplies just to keep track of it all.
"[6] Kyle Fowle of Entertainment Weekly wrote, "This is an episode of subtle tension, of people being pulled in all sorts of directions and not knowing how to deal with it.
"[9] Alec Bojalad of Den of Geek gave the episode a 3.5 star rating out of 5 and wrote, "'Undo' is bold and satisfyingly inscrutable like all Mr.