The Beginning of the End
One Will Live, One Will Die
41min - Christina saves her husband while Sean and Vicky fail to stop the virus.
Us or Them
42min - Sean and Vicky try to stop the spread of a deadly virus.
Cut Off the Head
You Bury Other Things Too
A Message Back
41min - Sean forces Vicky to work with him in his attempt to get to Dempsey.
41min - Thomas tricks Martinez into removing uranium from a nuclear power plant.
And Then There Were More
39min - Martinez was messaged that "Preparations are being made for your arrival."
Everything Will Change
41min - Thomas and Isabel launch a mysterious satellite.
Your World to Take
42min - Sophia learns that Thomas and Isabel are scheming behind her back and exacts revenge on Isabel. Sean and Leila track down Abby, a prematurely wrinkled girl who has clues to Samantha's whereabouts.
For the Good of Our Country
I Know Who You Are
43min - While Sterling investigates the identity of a double-crossing government informant, Samantha resurfaces.
42min - Sean and Leila discover Michael Buchanan's link to Inostranka.
Casualties of War
42min - Sean and Agent Collier rescue Vicky while Martinez releases Sophia in order to save the lives of the Flight 514 passengers.
A Matter of Life and Death
40min - Thomas threatens to kill people if Martinez doesn't free the Inostranka detainees. Sean and Agent Collier get closer to finding Leila, not realizing that they might be falling into a trap.
Protect Them from the Truth
To Keep Us Safe
I Haven't Told You Everything
42min - Sean's girlfriend Leila goes missing during their St. Lucia vacation.