Cyber-security engineer Elliot Anderson, along with the titular character and fsociety, starts a revolution to change the world. Season four will pick up where the third season finale left off, delving into the pros and cons of Elliot hitting ₁send₂ on the email that could reverse Five/Nine.

Originally broadcast as single episodes of a television program in 2019. Wide screen (1.78:1). Bonus features: deleted scenes, gag reel.

401 unauthorized -- 402 payment required -- 403 forbidden -- 404 not found -- 405 method not allowed -- 406 not acceptable -- 407 proxy authentication required -- 408 request timeout -- 409 conflict -- 410 gone -- eXit -- whoami -- Hello, Elliot.