The Flash: Heroes v Aliens Behind The Teams Featurette Released

The CW has released a new "Behind The Teams" featurette that goes behind-the-scenes of the 4-night "Invasion!" crossover event with the cast and crew.

As we get to see the stars of The Flash, Arrow, Legends of Tomorrow, and Supergirl herself coming together for the first time in a giant hangar at Boundary Bay Airport, Carlos Valdes, David Ramsey, director Dermott Downs, Danielle Panabaker, Victor Garber, Candice Patton, Keiynan Lonsdale, Executive Producer Todd Helbing, Brandon Routh, and Tom Cavanagh discuss the challenges of pulling off the all-star team-up.

IT'S HEROES VS. ALIENS IN THIS EPIC CROSSOVER EVENT -- When aliens called the Dominators attack Central City, Barry (Grant Gustin) speeds over to Star City to ask the Green Arrow (guest star Stephen Amell) 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 (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.

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Dermott Downs directed the episode with story by Greg Berlanti & Andrew Kreisberg and teleplay by Aaron Helbing & Todd Helbing.

Based on the characters from DC, The Flash is from by Bonanza Productions Inc. in association with Berlanti Productions and Warner Bros. Television, with executive producers Greg Berlanti (Arrow, Supergirl), Andrew Kreisberg (Arrow, The Flash), Sarah Schechter (Arrow, DC’s Legends of Tomorrow) and Aaron and Todd Helbing.

More Invasion! news: Supergirl Photos Released: The Four-Show Invasion! Crossover Begins In "Medusa" / New Flash Invasion Crossover Images Released / DC's Legends of Tomorrow: Invasion! 4-Show Crossover Photos Released / The Flash & Legends of Tomorrow Synopses Give A Good Idea What Invasion! Is About

"Invasion!" episode of The Flash will air Tuesday, November 29 at 8 p.m. ET/PT.