
The Strain — Season 4
As the final season begins, nine months have passed. The world has fallen into darkness, and the strigoi are in control. The Master and his minions have created an unsettling alliance in “The Partners
About this season
As the final season begins, nine months have passed. The world has fallen into darkness, and the strigoi are in control. The Master and his minions have created an unsettling alliance in “The Partnership.” The majority of humans are now working for the strigoi, operating with a single understanding – collaborate or die. In the face of annihilation…do our heroes have what it takes to save humankind?
Episodes (10)

1. The Worm Turns
7.3Aired 16 July 2017 • 44 min
Out of the ashes of humanity’s nuclear war, Night Eternal has begun. Haunted by the atrocities committed by his son, Eph abandons NYC for Philadelphia. His solitude is cut short when he encounters new fighters who rekindle his drive to fight back. Tasked by Setrakian, Fet and Quinlan search for a new means of stopping the Master.

2. The Blood Tax
7.1Aired 23 July 2017 • 44 min
Imprisoned as a subject in a strigoi breeding program, Dutch is desperate to escape and find Setrakian. Gus recruits his cousin for the inside job that will put his gang at the top of the new world’s underground economy, but Creem is suspicious of his business partner’s ambitions.

3. One Shot
7.0Aired 30 July 2017 • 44 min
Quinlan and Fet discover that stealing a nuclear warhead isn’t easy when they encounter an unexpected enemy. Eph and Alex concoct a new weapon to use against the strigoi. Frustrated with his seclusion, Zack discovers a love interest.

4. New Horizons
7.5Aired 6 August 2017 • 44 min
Dutch is forced to make a deal with Desai, while she plots to escape a strigoi breeding facility; Eph and Alex seek to uncover the dark secrets behind the Partnership's new plan; Gus and Creem face off against a gang encroaching on their turf.

5. Belly of the Beast
7.4Aired 13 August 2017 • 44 min
Fet and Quinlan track a convoy carrying their prized nuclear weapon; Eph and Alex search for clues to uncover the Master's plan for the fate of the human race; a familiar enemy traps Dutch, who encounters an old friend as well.

6. Tainted Love
7.5Aired 20 August 2017 • 44 min
Fet and Quinlan must figure out how to get the nuclear bomb back to New York, while a desperate Eichhorst draws near; love-struck Zack tries to learn more about his new crush, but makes a devastating discovery.

7. Ouroboros
7.4Aired 27 August 2017 • 44 min
With his health failing, Setrakian ignores Eph's warnings and pushes himself to the limit in his quest for victory and revenge; Fet and Quinlan race back to Manhattan, while the Master seals off the city and prepares to eliminate them all.

8. Extraction
7.5Aired 3 September 2017 • 44 min
Reeling from loss, the heroes regroup; the heroes devise a new plan to track the Master through human collaborators, beginning at the blood farm with someone Dutch knows all too well.

9. The Traitor
7.3Aired 10 September 2017 • 44 min
An unexpected guest brings old conflicts to the surface, dividing the heroes and threatening the group's trust; with questionable new intelligence in hand, the group launches a make-or-break final assault on the Master.

10. The Last Stand
7.6Aired 17 September 2017 • 44 min
In the series finale, Quinlan devises a desperate plan, but the costs are enormous. Eph wrestles with his conscience, Fet undertakes a suicide mission, and Dutch and Gus dig in for battle as humankind makes its final stand against the Master and his Strain.