<Tr> <Th> 45 </Th> <Td> 9 </Td> <Td> "The Traitor" </Td> <Td> Jennifer Lynch </Td> <Td> David Weddle & Bradley Thompson </Td> <Td> September 10, 2017 (2017 - 09 - 10) </Td> <Td> XSN04009 </Td> <Td> 0.84 </Td> </Tr> <Tr> <Td_colspan="8"> Fet and Dutch interrogate Desai, to no avail . However, after Quinlan threatens to drain his wife, Desai reveals the Master's location . Gus arrives to help Roman guard the bomb and also gather silver from the Federal Reserve Bank for weapons against the strigoi . Meanwhile, Eph doubts Zach's account of his time with the Master . When Zach purposely leaves a blood scent for the Feelers, Eph realizes his betrayal . Zach confesses he lied and offers to spare his father if he tells him where the nuke is hidden . Eph almost kills Zach but leaves him behind when the team immediately evacuate and meet up with Gus and Roman . The Master arrives and berates Zach for his failure . To save himself, Desai falsely accuses his wife of betraying the Master, but the Master knows he's lying and kills them both . The team sets off to detonate the nuke at the Empire State Building . Quinlan enters with the detonator, finding the Master gone . When strigoi surround him, he radios the others to leave, but a strigoi horde blocks their escape . </Td> </Tr> <Tr> <Th> 46 </Th> <Td> 10 </Td> <Td> "The Last Stand" </Td> <Td> J. Miles Dale </Td> <Td> Chuck Hogan & Carlton Cuse </Td> <Td> September 17, 2017 (2017 - 09 - 17) </Td> <Td> XSN04010 </Td> <Td> 1.00 </Td> </Tr> <Tr> <Td_colspan="8"> Eph, Fet, and Dutch escape with the nuclear weapon while Gus and Roman fend off the strigoi horde . The humans later regroup with Quinlan and devise a plan to eradicate the Master without destroying the city . To Dutch's dismay, Fet intends to sacrifice himself by detonating the bomb in a deep tunnel after he and Quinlan trap the Master there . The Master orders a final purge of Manhattan to flush out the team, shocking Zach . Eph and Fet lure the Master and a strigoi horde to their hideout . When Zach is trapped below ground with the Master and Quinlan, Eph follows with the detonator . The Master fatally injures Quinlan in a vicious battle . Zach is unable to kill his father on the Master's order; when the Master attempts to transfer his essence to Zach, Eph attacks him . The Master instead possesses Eph, who is able to arm the bomb before the Master assumes control . The Master believes he has won, but Zach triggers the bomb, destroying the Master and killing himself . Five years later, the nuclear winter is subsiding, humanity has recovered and destroyed all but a few strigoi that are kept captive . Roman becomes a property developer; Gus helps resettle refugees and hopes to find Anya; Dutch and other former hackers are rebuilding the Internet; and Fet resumes being an exterminator . Fet and Dutch reunite on a hopeful note . </Td> </Tr>

The strain season 4 episode 10 air date