Arrow - Season 4 - Eps 8: Legends of Yesterday (II)
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. The crossover starts on The Flash S02E08 Legends of Today (I).
About Arrow

Title: Arrow
First Air Date: 2012-10-10
Last Air Date: 2020-01-28
Status: Ended
Rating: 6.825/10 (from 6085 votes)
Language: EN
Seasons: 9
Total Episodes: 170
Network: The CW
Genres: Crime, Drama, Action & Adventure
Production Companies: Berlanti Productions, DC Entertainment, Warner Bros. Television, DC
Synopsis
Spoiled billionaire playboy Oliver Queen is missing and presumed dead when his yacht is lost at sea. He returns five years later a changed man, determined to clean up the city as a hooded vigilante armed with a bow.
Cast

Stephen Amell
Oliver Queen / Green Arrow

Rick Gonzalez
Rene Ramirez / Wild Dog

Katherine McNamara
Mia Smoak / Blackstar

David Ramsey
John Diggle / Spartan

Katie Cassidy
Laurel Lance / Black Canary

Juliana Harkavy
Dinah Drake / Black Canary

Joseph David-Jones
Connor Hawke

Ben Lewis
Adult William Clayton