The CW’s released photos and plot details for the much-anticipated November 2017 crossover episodes of Supergirl, The Flash, Legends of Tomorrow and Arrow. The Supergirl portion of the crossover was directed by Larry Teng from a script by Robert Rovner and Jessica Queller. Titled “Crisis on Earth-X, Part 1,” Supergirl season three episode eight will air on November 27, 2017.
The “Crisis on Earth-X, Part 1” Plot: THE EPIC FOUR-WAY CROSSOVER WITH ARROW, SUPERGIRL, THE FLASH AND DC’S LEGENDS OF TOMORROW BEGINS — Barry (guest star Grant Gustin) and Iris’s (guest star Candice Patton) wedding brings the gang together, but things go awry when villains from Earth-X attack the ceremony. All of the superheroes band together with help from their super friends like Citizen Cold (guest star Wentworth Miller), The Ray (guest star Russell Tovey), Felicity Smoak (guest star Emily Bett Rickards), Iris West and Alex Danvers (Chyler Leigh) to take on their most formidable villains yet. Earth’s mightiest heroes – Green Arrow (guest star Stephen Amell), Supergirl (Melissa Benoist), The Flash and White Canary (guest star Caity Lotz) – lead their teams into battle to save the world.
The Supergirl season three cast includes Melissa Benoist as Kara Danvers/Supergirl, Chyler Leigh as Alex Danvers, David Harewood as J’onn J’onzz, Jeremy Jordan as Winn Schott, Mehcad Brooks as James Olsen, Katie McGrath as Lena Luthor, Chris Wood as Mon-El of Daxam, and Odette Annable as Reign. The series is executive produced by Greg Berlanti, Sarah Schechter, Robert Rovner, and Jessica Queller.
