404 Not Found (Mr. Robot)

^[1]"404 Not Found" is the fourth episode of the fourth season of the American drama thriller television series Mr. Robot. It is the 36th overall episode of the series and was written by executive producer Kyle Bradstreet and directed by series creator Sam Esmail. It originally aired on USA Network on October 27, 2019.

The series follows Elliot Alderson, a cybersecurity engineer and hacker with social anxiety disorder, who is recruited by an insurrectionary anarchist known as "Mr. Robot" to join a group of hacktivists called "fsociety". As the series progresses, Elliot finds himself at odds with his real persona and with Mr. Robot's plans. In the episode, Elliot and Tyrell get stranded in the woods while fleeing from the Dark Army.

According to Nielsen Media Research, the episode was seen by an estimated 0.348 million household viewers and gained a 0.1 ratings share among adults aged 18–49. The episode received critical acclaim, with critics praising the episode's atmosphere, directing, performances and character development.