Synopses For CW’s DC ‘Invasion’ Crossover

The CW has released descriptions for all four episodes in the upcoming crossover event between DC Comics shows “Supergirl,” “The Flash,” “Arrow,” and “DC’s Legends of Tomorrow”. Here’s the synopsis for each of the episodes which form one big story dubbed ‘Invasion!’.

Supergirl
Eliza (Helen Slater) comes to town to celebrate Thanksgiving with her daughters. Alex decides it’s time to come out to her mother; Kara is shocked when Eliza suggests Mon-El has feelings for her, and Winn and James consider telling Kara the truth about the Guardian.

Meanwhile, CADMUS unleashes a virus that instantly kills any alien in the vicinity so Kara enlists an unexpected ally – Lena Luthor. The epic superhero crossover kicks off tonight when Barry Allen and Cisco Ramon seek Kara’s help with an alien invasion on their Earth.

The Flash
When aliens called the Dominators attack Central City, Barry speeds over to Star City to ask the Green Arrow for help in stopping them.

Realizing the battle against the Dominators is bigger than they thought, they track down the Legends of Tomorrow, and Barry and Cisco create a breach to bring back a secret weapon – Supergirl.

Once all of the super friends are assembled, they come up with a plan to attack but a shocking secret related to Flashpoint is revealed and suddenly no one is sure who they can trust. Meanwhile, Wally wants to join the battle against the aliens but Iris tells him he’s not ready.

Arrow
Oliver wakes up to a life where he never got on The Queen’s Gambit. Robert (Jamey Sheridan) and Moira Queen (Susanna Thompson) are alive and well. Laurel (Katie Cassidy) is his loving fiancee and their wedding is imminent. Everything seems perfect, but Oliver starts to notice small imperfections that make him question this new reality. Meanwhile, Felicity and the recruits take on a new threat with help from The Flash and Supergirl.

DC’s Legends of Tomorrow
After learning the Dominators’ plan for the world, the Legends must work together with The Flash, Supergirl and Green Arrow to kill them once and for all. Meanwhile, Stein figures out, with the help of others, how the team can terminate the Dominators, but is distracted by the aberration he realizes he created in 1987.

The event runs from November 28th to December 1st on The CW.