Episode list

As people across the globe are experiencing hallucinations, MI5 agent Zoe contacts Bill for answers. Catherine Durand detects unusual black hole activity.

As Adina starts the next stage of her plan, astronauts Juliet and Richard see warning signs in space, uncovering Adina's sinister mission.

Catherine, Sophia, Zoe and the other survivors finally reunited prepare for the ultimate attack. But it is Bill who is the only one who holds the fate of mankind in his hands, provided he is helped by Isla.

A French observatory receives signals from space which shock the world.

With Adina's plan in motion, the world's last hope is for Bill to make one more journey, risking his own life in search of Catherine's help.

With Richard's help, Catherine discovers she can travel to another world. A new revelation puts Martha's loyalties to the test. Zoe breaks Bill out of prison.

Something is hunting the survivors.

Group of survivors hides in a hospital, but their enemy is close.

Catherine and Bill are finally united in London.

Tom grapples with a betrayal and encounters a familiar face. Catherine looks for a solution to the dangers of the black hole.