The extended trailer of the much anticipated crossover has certainly raised the excitement levels. As we expected, The Arrow and The Flash crossover would lead to the Legends of Tomorrow, and will act as bit of a pilot for the series.The trailer makes it clear that the events will takes place in Central City and not in Star City. It takes us through the backstory of Kendra Saunders (Hawkgirl) and Vandal Savage, wherein Kendra was a princess and got killed by Vandal Savage.As it turns out, Vandal Savage is again out for personal vendetta against the reincarnated Hawk Girl.
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.