Oliver, Kara et Barry reçoivent une aide inattendue dans leur quête de réponses à Gotham City. Pendant ce temps, Felicity fait une découverte interdimensionnelle.

Green Arrow rejoint Supergirl, Flash et les Legends of Tomorrow pour combattre l’invasion des nazis venus de Terre-X… et son propre double maléfique.

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…

A crossover event that began on « The Flash » concludes with Oliver teaming with the Flash to stop a boomerang-wielding killer who plants five bombs in the city that are set…

When Oliver and his team destroy Slade’s centrifuge, he attacks them as Deathstroke to get what he needs to find a replacement. Meanwhile, Laurel ponders what to do with Slade’s…