The CW has released the Official Synopsis of Supergirl episode “Crisis on Earth X, Part 1” (3.08) that will be aired Monday, November 27 at 08:00-09:00 PM.
OFFICIAL SYNOPSIS
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 (guest star Grant Gustin) and White Canary (guest star Caity Lotz) – lead their teams into battle to save the world.
SUPERGIRL stars Melissa Benoist as Kara Danvers/Supergirl, Chyler Leigh as Alex Danvers, Mehcad Brooks as James Olsen, David Harewood as Hank Henshaw, Jeremy Jordan as Winslow “Winn” Schott and Tyler Hoechlin as Superman.
Supergirl is an action-adventure drama based on the DC Comics character Kara Zor-El (Melissa Benoist), Superman’s (Kal-El) cousin who, after 12 years of keeping her powers a secret on Earth, decides to finally embrace her superhuman abilities and be the hero she was always meant to be.
Based on characters appearing in comic books and graphic novels published by DC Comics, with executive producers Greg Berlanti, Ali Adler, Sarah Schecter and Andrew Kreisberg for Berlanti Productions in association with Warner Bros. Television.