Season 4

01 USS Callister Episode 129th December 2017 Capt. Robert Daly presides over his crew with wisdom and courage. But a new recruit will soon discover nothing on this spaceship is what it seems. 02 Arkangel Episode 229th December 2017 Worried about her daughter's safety, single mom Marie signs up for a cutting-edge device that monitors the girl's whereabouts -- and much more. 03 Crocodile Episode 329th December 2017 Architect Mia scrambles to keep a dark secret under wraps, while insurance investigator Shazia harvests people's memories of a nearby accident scene. 04 Hang the DJ Episode 429th December 2017 Paired up by a dating program that puts an expiration date on all relationships, Frank and Amy soon begin to question the system's logic. 05 Metalhead Episode 529th December 2017 At an abandoned warehouse, scavengers searching for supplies encounter a ruthless foe and flee for their lives through a bleak wasteland. 06 Black Museum Episode 629th December 2017 On a dusty stretch of highway, a traveler stumbles across a museum that boasts rare criminal artifacts -- and a disturbing main attraction.