Season 2 (Arrow)

The second season of Arrow premiered on October 9, 2013. It will consist of 23 episodes.

Synopsis
One year ago, Oliver Queen was rescued after being stranded on a deserted island for five years. In place of the playboy he was, Oliver returned as a man bent on righting the wrongs of his family and those who had corrupted his city as a hooded vigilante.

After failing to stop Malcolm Merlyn from destroying the Glades and the death of his best friend Tommy Merlyn, Oliver abandoned his hood out of guilt. But now, Oliver is forced to return to save both his family's company and his family, as Starling City has fallen into further ruin since the Undertaking. With allies; John Diggle and Felicity Smoak, Oliver will fight to honor his best friend as The Arrow, all the while on the run from his former ally; Laurel Lance.

During the flashbacks Oliver is forced to deal with Dr. Ivo in his quest to find the Mirakuru, a strength enhancing serum created by the Japanese in World War II which results in Shado's death but is also reunited with Sara Lance while dealing with Slade who has been injected with the serum.

In the present day Oliver, Diggle and Felicity fight the minions of Sebastian Blood and his cult who have also found the Mirakuru while also taking down villains causing chaos in the Glades, occasionally with Sara aka The Canary and now has the support of Quinten Lance and Barry Allen, while in his regular life deals with the trial of his mother Moira who is eventually aquited of the charges. Meanwhile Roy continues to act outside as his own vigilantie and is also injected with the serum of Brother Blood while Thea and their friend Sin help him.

Main cast

 * Stephen Amell as Oliver Queen/The Arrow
 * David Ramsey as John Diggle
 * Emily Bett Rickards as Felicity Smoak
 * Katie Cassidy as Laurel Lance
 * Colton Haynes as Roy Harper
 * Susanna Thompson as Moira Queen
 * Willa Holland as Thea Queen
 * Manu Bennett as Slade Wilson/Deathstroke
 * Paul Blackthorne as Quentin Lance

Recurring cast

 * Caity Lotz as Sara Lance/The Canary
 * Kevin Alejandro as Sebastian Blood/Brother Blood
 * Celina Jade as Shado
 * Dylan Neal as Anthony Ivo
 * Dylan Bruce as Adam Donner
 * Bex Taylor-Klaus as Sin
 * Summer Glau as Isabel Rochev
 * Jimmy Jean-Louis as "The Captain"
 * David Nykl as Anatoli Knyazev
 * Grant Gustin as Barry Allen
 * John Barrowman as Malcolm Merlyn
 * Michael Rowe as Floyd Lawton/Deadshot
 * Michael Jai White as Ben Turner/Bronze Tiger
 * Colin Salmon as Walter Steele