<Tr> <Th> 77 </Th> <Td> 8 </Td> <Td> "Crisis on Earth - X, Part 3" </Td> <Td> Dermott Downs </Td> <Td> Story by: Andrew Kreisberg & Marc Guggenheim Teleplay by: Todd Helbing </Td> <Td> November 28, 2017 (2017 - 11 - 28) </Td> <Td> T27. 13408 </Td> <Td> 2.82 </Td> </Tr> <Tr> <Td_colspan="8"> <P> Barry, Oliver, Sara, Alex, Martin and Jax wake up in a Nazi concentration camp on Earth - X, with power dampening handcuffs . The leader of the concentration camp is revealed to be the Earth - X doppelgänger of Quentin Lance, who takes them away for execution, before they are saved by Citizen Cold (the Earth - X doppelgänger of Leonard Snart). Snart takes them to a resistance bunker, where the team meets fellow resistance fighters Ray Terrill and General Schott (Winn Schott's Earth - X doppelgänger). It is revealed the only way back to Earth - 1 is through a temporal gateway in a Nazi facility, which Winn 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, discovers the Nazi's doomsday device against parallel Earths is a militarized timeship called Wellenreiter, and saves a prisoner (who is Felicity's Earth - X doppelgänger) from Quentin . Barry and Ray battle the Earth - X Red Tornado, while the rest of the team enters the facility . In attempting to reactivate the gateway's portal, Stein is shot and gravely wounded . Back on Earth - 1, Thawne prepares to perform surgery on Kara to save Overgirl at S.T.A.R. Labs . 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, with power dampening handcuffs . The leader of the concentration camp is revealed to be the Earth - X doppelgänger of Quentin Lance, who takes them away for execution, before they are saved by Citizen Cold (the Earth - X doppelgänger of Leonard Snart). Snart takes them to a resistance bunker, where the team meets fellow resistance fighters Ray Terrill and General Schott (Winn Schott's Earth - X doppelgänger). It is revealed the only way back to Earth - 1 is through a temporal gateway in a Nazi facility, which Winn 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, discovers the Nazi's doomsday device against parallel Earths is a militarized timeship called Wellenreiter, and saves a prisoner (who is Felicity's Earth - X doppelgänger) from Quentin . Barry and Ray battle the Earth - X Red Tornado, while the rest of the team enters the facility . In attempting to reactivate the gateway's portal, Stein is shot and gravely wounded . Back on Earth - 1, Thawne prepares to perform surgery on Kara to save Overgirl at S.T.A.R. Labs . 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>

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