Episode list

We are introduced to a range of characters across the globe who are leading their lives in their own unconnected way, right up to the point when the American President announces to the world that an extinction level event is due in 34 days time when an asteroid, eight miles wide, will impact the earth. For some reason, all of these characters will come together in a bunker deep underground in a town in the UK called Slough to watch the end of the world on TV.

Jamie intends to find his real mother and his twin brother. Rhonda continues her journey after escaping from prison and the white house discusses plans to save mankind from extinction.

Jamie's search grinds to a halt when he is yet again mistaken for Ariel. Father Jude and Sister Celine step in to help a young girl escape an angry mob.

Still on the run Rhonda and Leanne manage to escape tough marshal Tess Carter when Rhonda's desperation goads her into hostage taking whilst their erstwhile captor Ariel, Jamie's twin, uses Spike to hack into the government computer where they discover that Scotty is masterminding the plan to save a selected few in an underground bunker. Jamie and Dave spring Jamie's mother Mary from a psychiatric hospital whilst Father Jude impresses Sister Celine by saving a would-be suicide. However a sinister couple are tracking him.

Jamie makes a discovery that leaves him completely betrayed. Ariel sends Scotty a worrying video message, and Rhonda realises she can't trust anyone when she meets Leanne's family.

Scotty tries to make amends for his recent decisions, and Jamie's life is shaken up again, following a sudden tragedy.

Jamie finally gets some answers, Scottie has to make an impossibly tough decision and Father Jude questions his path.

Jamie and Ariel finally meet under strained circumstances. Father Jude makes an important decision with unanticipated consequences. Rhonda has further bad news and Saviour hits it target.

Gaines takes the president to his bunker but there is a change of plan as Gaines announces to the world that Saviour has failed. Shocked by Jude's alleged suicide Celine takes his body for burial in Slough and at the funeral Jamie meets Sutton, the old American who abducted Ariel and offers Jamie and his family a place in her own bunker. However Jamie is intercepted by Ariel, who imprisons him in the bank and impersonates him to Layla.. In America Rhonda is found guilty of treason and ends up on Death Row, where she re-encounters Leanne but they are rescued by Gaines and Scotty when Scotty is told that he and Rhonda are Sutton's children and are to be flown to England and the bunker. In the shoot-out with the prison guards during their escape Scotty is shot and wounded..

With the comet about to strike, the race to the bunker is on.