Arrow, Flash, Supergirl and Legends crossover gets an awesome full trailer

Earth’s heroes unite in the full trailer for The CW’s epic crossover event

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Read the synopses and watch the new trailer for the Arrow, The Flash, Supergirl and Legends Of Tomorrow crossover, starring Stephen Amell, Grant Gustin, Melissa Benoist, Brandon Routh, Caity Lotz, Franz Drameh, Victor Garber, Dominic Purcell, David Ramsey, Emily Bett Rickards, Carlos Valdes and more:

Supergirl 2.08 ‘Medusa’
“Eliza (Helen Slater) comes to town to celebrate Thanksgiving with her daughters. Alex (Chyler Leigh) decides it’s time to come out to her mother; Kara (Melisa Benoist) is shocked when Eliza suggests Mon-El (Chris Wood) has feelings for her and Winn (Jeremy Jordan) and James (Mehcad Brooks) 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 (Katie McGrath). The epic superhero crossover kicks off tonight when Barry Allen (guest star Grant Gustin) and Cisco Ramon (guest star Carlos Valdes) seek Kara’s help with an alien invasion on their Earth.”

The Flash 3.08 ‘Invasion’
“When aliens called the Dominators attack Central City, Barry (Grant Gustin) speeds over to Star City to ask the Green Arrow (Stephen Amell) for help in stopping them. Realising the battle against the Dominators is bigger than they thought, they track down the Legends Of Tomorrow, and Barry and Cisco (Carlos Valdes) create a breach to bring back a secret weapon – Supergirl (guest star Melissa Benoist). 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 (Keiynan Lonsdale) wants to join the battle against the aliens but Iris (Candice Patton) tells him he’s not ready.”

Arrow 5.08 ‘Invasion’
“Oliver (Stephen Amell) wakes up to a life where he never got on The Queen’s Gambit. Robert (guest star Jamey Sheridan) and Moira Queen (Susanna Thompson) are alive and well. Laurel (guest star Katie Cassidy) is his loving fiancée and their wedding is imminent. Everything seems perfect, but Oliver starts to notice small imperfections that make him question this new reality. Meanwhile, Felicity (Emily Bett Rickards) and the recruits take on a new threat with help from the Flash (guest star Grant Gustin) and Supergirl (guest star Melissa Benoist).”

Legends Of Tomorrow 2.07 ‘Invasion!’
“After learning the Dominators’ plan for the world, the Legends must work together with the Flash (Grant Gustin), Supergirl (Melissa Benoist) and Green Arrow (Stephen Amell) to kill them once and for all. Meanwhile, Stein (Victor Garber) figures out, with the help of others, how the team can terminate the Dominators, but is distracted by the aberration he realises he created in 1987. Brandon Routh, Franz Drameh, Dominic Purcell, Maisie Richardson-Sellers, Nick Zano and Caity Lotz also star.”

The crossover episodes of Arrow, The Flash, Supergirl and Legends Of Tomorrow will air on Sky1 later in the year. For all the latest TV news, pick up the new issue of SciFiNow.