The Strain

Season 4

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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?

Where to Watch Season 4

10 Episodes

The Worm Turns
E1
The Worm TurnsOut 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.
The Blood Tax
E2
The Blood TaxImprisoned 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.
One Shot
E3
One ShotQuinlan 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.
New Horizons
E4
New HorizonsDutch 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.
Belly of the Beast
E5
Belly of the BeastFet 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.
Tainted Love
E6
Tainted LoveFet 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.
Ouroboros
E7
OuroborosWith 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.
Extraction
E8
ExtractionReeling from loss, our heroes regroup. To defeat the Master, they must locate him first. Our heroes devise a new plan to track him through human collaborators, beginning at the blood farm with someone Dutch knows all too well.
The Traitor
E9
The TraitorAn 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.
The Last Stand
E10
The Last StandIn 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.