Heroes Join Forces

Heroes Join Forces
Director:	Ralph Hemecker Thor Freudenthal
Writer(s):	Aaron Helbing Todd Helbing Greg Berlanti Marc Guggenheim Brian Ford Sullivan
Release Date:	December 1, 2015 and December 2, 2015
Running Time:	84 mins
More Information
Full Credits	Trivia
Home Video	Awards
Soundtrack	Reviews
Merchandise	Characters

"Heroes Join Forces" is a two-part crossover episode from season 2 of The Flash and season 4 of Arrow that's a set up of the series DC's Legends of Tomorrow.

Plot

"Legends of Today"

Vandal Savage arrives in Central City and sets his sights on Kendra Saunders. After Vandal attacks Kendra and Cisco, they turn to Barry 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 shows up and flies off with Kendra. Meanwhile, Harrison develops a serum to make Barry run faster and asks Jay to test it out.

"Legends of Yesterday"

Oliver and Barry Allen take Kendra Saunders and Carter Hall to a remote location to keep them hidden from Vandal Savage while they figure out how to defeat him. Malcolm arranges a meeting between Vandal, Green Arrow and The Flash that doesn’t go as planned. Meanwhile, Felicity, Thea, Diggle and Laurel work with Team Flash to come up with a weapon powerful enough to destroy Vandal Savage.

Cast

• Grant Gustin as Barry Allen/The Flash
• Stephen Amell as Oliver Queen/Green Arrow
• Carlos Valdes as Cisco Ramon/Vibe
• Danielle Panabaker as Caitlin Snow
• Tom Cavanagh as Harrison Wells
• Jesse L. Martin as Detective Joe West
• Katie Cassidy as Laurel Lance/Black Canary
• David Ramsey as John Diggle
• Willa Holland as Thea Queen/Speedy
• Emily Bett Rickards as Felicity Smoak
• John Barrowman as Malcolm Merlyn/Ra's al Ghul
• Casper Crump as Vandal Savage
• Falk Hentschel as Carter Hall/Hawkman
• Ciara Renée as Kendra Saunders/Hawkgirl
• Teddy Sears as Hunter Zolomon/Jay Garrick
• Neal McDonough as Damien Darhk
• Shantel VanSanten as Patty Spivot
• Peter Francis James as Dr. Aldus Boardman
• Anna Hopkins as Samantha Clayton
• Jack Moore as William Clayton
• Michael Tiernan as Ramses II