First broadcast: on BBC HDLatest broadcast: on BBC One Scotland
An impending solar flare threatens the crew of the Antares with dangerous radiation, while the strange force in Pod 4 finally sends out an irresistible siren call.
First broadcast: on BBC HDLatest broadcast: on BBC One Northern Ireland
Sci-fi drama. It is Halloween aboard the Antares and the forces of darkness are revealed in more ways than one as feverish hallucinations jeopardize the lives of the crew. Show more
First broadcast: on BBC HDLatest broadcast: on BBC One Northern Ireland
Sci-fi drama. Each of the crew deals with a personal point of no return, while the Antares crosses a critical boundary when going back to Earth is no longer an option. Show more
First broadcast: on BBC Two ScotlandLatest broadcast: on BBC One Northern Ireland
Sci-fi drama. Drawing closer to the orbit of Venus, some members of the Antares crew struggle with guilt and experience vivid repercussions of past actions. Show more
First broadcast: on BBC Two WalesLatest broadcast: on BBC One Northern Ireland
Sci-fi drama. The crew finds that some past choices lead to a complex web of dreams, desires and illusions that result in a life-threatening crisis. Show more
First broadcast: on BBC HDLatest broadcast: on BBC One Northern Ireland
Sci-fi drama. Lines are crossed as relationships on the Antares and on Earth intensify, while the mission's unseen power creates transformations among the astronauts. Show more
First broadcast: on BBC HDLatest broadcast: on BBC One Yorkshire
Sci-fi drama. The Antares inexplicably begins to shut down its operating systems, affecting power, heat and gravity controls. The crew are plunged into chaos. Show more