Finally, the much anticipated "Legends of Tomorrow" release date has been announced and fans need to wait only one month before they get to see the biggest cross-over of DC heroes on TV.

According to Oracle Union, Victor Garber, who plays the role of Dr. Martin Stein has confirmed that "Legends of Tomorrow" will hit TV screens on January.

Next week, the prelude to "Legends of Tomorrow" will finally arrive as Vandal Savage, will be the villain tin the cross-over, eight episode for both "The Flash" and "Arrow."

In this two-part episode, Vandal Savage will hunt Kendra Saunders, who is dating Cisco Ramone. Here's a teaser for the two part episode released by CW via "The Flash" season 2 episode guide wikia.

"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, also known as Hawk-Man shows up and flies off with Kendra. Meanwhile, Harrison develops a serum to make Barry run faster and asks Jay to test it out."

Meanwhile, the second part will be the eighth episode of "Arrow" and here's the summary via "Arrow" wikia.

"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."