The CW has revealed the Air Dates for the 2018 DC Crossover Event and has released a special Teaser Poster for the three night event, which will introduce Batwoman to the Arrowverse.
The Three night event will begin with an episode of The Flash on Sunday, December 9 at 8:00 PM. Then speed over to Arrow on Monday, December 10 at 8:00 PM. And finally concluding the action with Supergirl on December 11 at 8:00 PM.
DC’s Legends of Tomorrow and Black Lightning will not be included in this year crossover.