"405 Method Not Allowed" is the fifth episode in the fourth season of the American thriller drama television series Mr. Robot. Written and directed by series creator Sam Esmail, it aired on November 3, 2019, on USA Network. The episode is notably presented without dialogue, apart from its opening and ending. In the episode, Elliot (Rami Malek) and Darlene Alderson (Carly Chaikin) execute a heist hack at a server farm on Christmas Day.