The Flash — “Legends of Today” — Image FLA208B_0295b.jpg — Pictured (L-R): Grant Gustin as The Flash and Stephen Amell as The Arrow — Photo: Cate Cameron/The CW — © 2015 The CW Network, LLC. All rights reserved.

The CW have released an international promo for this Tuesday’s episode of ‘The Flash’ Season 2, the first part of the upcoming Arrow / The Flash two-part crossover episode.

http://www.youtube.com/watch?v=7UaqGLSrN0E

Synopsis:

“Legends of Today” — (8:00-9:01:00 p.m. ET) (Content Rating TBD) (HDTV)

PART ONE OF THE EPIC CROSSOVER WITH “ARROW” — In its second major crossover event with “Arrow,” Vandal Savage (guest star Casper Crump) arrives in Central City and sets his sights on Kendra Saunders (guest star Ciara Renée). After Vandal attacks Kendra and Cisco (Carlos Valdes), they turn to Barry (Grant Gustin) for help. Realizing how dangerous Vandal is, Barry takes Kendra to Star City and asks Oliver and team to hide her until he can figure out how to stop Vandal. However, things quickly go from bad to worse when a man with wings AKA Hawkman (guest star Falk Hentschel) shows up and flies off with Kendra. Meanwhile, Harrison (Tom Cavanagh) develops a serum to make Barry run faster and asks Jay (guest star Teddy Sears) to test it out. Ralph Hemecker directed the episode with story by Greg Berlanti & Andrew Kreisberg and teleplay by Aaron Helbing & Todd Helbing (#208). Original airdate 12/1/2015.