<Tr> <Td_colspan="8"> <P> Barry, Oliver, Sara, Alex, Martin and Jax wake up in a Nazi concentration camp on Earth - X wearing power dampeners . The arriving SS Sturmbannführer is revealed to be the Earth - X doppelgänger of Quentin Lance, who plans to execute them, but they are saved by Citizen Cold (the Earth - X doppelgänger of Leonard Snart) and Ray Terrill . Snart and Terrill take them to the headquarters of the Freedom Fighters, where the team meets the resistance movement's leader, General Schott (Winn Schott's Earth - X doppelgänger). They learn that the only way back to Earth - 1 is through a temporal gateway in a research facility, which Schott plans to blow up to strand Dark Arrow (Oliver's Earth - X doppelgänger) on Earth - 1 . Oliver disguises himself as Dark Arrow to infiltrate the facility and discovers the Nazi doomsday device against parallel Earths is a militarized timeship called Wellenreiter . Barry and Ray battle the Freedom Fighters' Red Tornado to stop it from destroying the gateway while the rest of the team enters the facility to reactivate its portal, during which Stein is shot and gravely wounded . On Earth - 1, Eobard Thawne prepares to perform surgery on Kara to save Overgirl . Felicity and Iris try to stop him, but are captured . </P> This episode continues a crossover event that begins on Supergirl season 3 episode 8 and Arrow season 6 episode 8, and concludes on Legends of Tomorrow season 3 episode 8 . </Td> </Tr> <P> Barry, Oliver, Sara, Alex, Martin and Jax wake up in a Nazi concentration camp on Earth - X wearing power dampeners . The arriving SS Sturmbannführer is revealed to be the Earth - X doppelgänger of Quentin Lance, who plans to execute them, but they are saved by Citizen Cold (the Earth - X doppelgänger of Leonard Snart) and Ray Terrill . Snart and Terrill take them to the headquarters of the Freedom Fighters, where the team meets the resistance movement's leader, General Schott (Winn Schott's Earth - X doppelgänger). They learn that the only way back to Earth - 1 is through a temporal gateway in a research facility, which Schott plans to blow up to strand Dark Arrow (Oliver's Earth - X doppelgänger) on Earth - 1 . Oliver disguises himself as Dark Arrow to infiltrate the facility and discovers the Nazi doomsday device against parallel Earths is a militarized timeship called Wellenreiter . Barry and Ray battle the Freedom Fighters' Red Tornado to stop it from destroying the gateway while the rest of the team enters the facility to reactivate its portal, during which Stein is shot and gravely wounded . On Earth - 1, Eobard Thawne prepares to perform surgery on Kara to save Overgirl . Felicity and Iris try to stop him, but are captured . </P> <Tr> <Th> 78 </Th> <Td> 9 </Td> <Td> "Don't Run" </Td> <Td> Stefan Pleszczynski </Td> <Td> Sam Chalsen & Judalina Neira </Td> <Td> December 5, 2017 (2017 - 12 - 05) </Td> <Td> T27. 13409 </Td> <Td> 2.22 </Td> </Tr> <Tr> <Td_colspan="8"> While out Christmas shopping, Barry is ambushed and kidnapped by DeVoe while Caitlin is kidnapped from Jitters by Amunet . Iris claims they have to look for both of them, despite Harry's claim that they have insufficient time and resources and that they can only afford to search for one . Barry is held in DeVoe's lair . Caitlin is forced by Amunet to perform surgery on a metahuman named Dominic Lanse, who can read minds . They try to escape, but Amunet blocks their exit . Caitlin manages to briefly incapacitate Amunet, and she and Dominic flee the building they are being held in . Once outside, they are rescued by Cisco and Ralph, as Iris has chosen to focus on finding Caitlin . Barry manages to escape from DeVoe . Team Flash celebrates Christmas at the West house and Dominic joins them . Barry gets a security alert from his apartment . When he arrives, he receives a phone call from Dominic, who reveals that Amunet re-kidnapped Dominic and DeVoe has transferred his consciousness into Dominic's body . Barry discovers DeVoe's original body dead on his apartment floor and he realizes DeVoe has framed him for his "murder"; the police arrive, and Barry lets himself get arrested, not wanting to leave Iris again . </Td> </Tr>

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