'The Flash' Season 6 Release Date, Cast, Trailer, Plot: When Does It Air?.'Legacies' Season 2 Release Date, Cast, Trailer, Plot.This episode, titled 'Purgatory,' is the last episode of Arrow this year as the superhero's episode of Crisis is not due to air until January 2020. The synopsis reads: 'Oliver's (Stephen Amell) mission take him to Lian Yu where he tries to ignore the repercussions of the looming Crisis until he receives help from an old friend.' The last-ever midseason finale for Arrow is also on December 3 at 9 p.m. Part 3 of Crisis will be headed up by The Flash on December 10 at 8 p.m.

2,' airing at 8 p.m., which will see Iris (Candice Patton) and Cisco (Carlos Valdes) fighting to help Barry (Grant Gustin) get control back of himself after being infected by Bloodwork (Sendhil Ramamurthy).

The following night, The Flash concludes its two-part midseason finale with 'The Last Temptation of Barry Allen, Pt. with 'Decisions,' the synopsis for which reads: 'With everything going on Spencer (Daniel Ezra) can't get excited about his football ranking and gets some guidance from Layla (Greta Onieogou), who in turn realizes it might not be the best advice for anyone, including her.'

'Supernatural' Season 15 Release Date, Cast, Trailer, PlotДЄll American ends for now on December 2 at 8 p.m.

'Riverdale' Season 4 Spoilers: Did Betty Help Jughead Fake His Own Death?.

'Dynasty' Season 3 Netflix Release Date: CW Confirms When S3 Will Stream.

Cw crossover 2019 schedule