Season 4
23 episodes
43 min. per episode
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A billionaire vigilante battles crime and his own demons, seeking redemption while uncovering dark secrets in a city on the brink.
Trailer
Episodes
A new enemy lures Oliver Queen back to Starling City and forces him to put on the hood once more.
Oliver and Thea are concerned when a family friend plans to run for mayor; Thea starts to exhibit side effects from the Lazarus Pit; Felicity asks an employee for help with a business decision.
The growing tension between Oliver and Diggle puts both their lives at risk when they go after Damien Darhk and a H.I.V.E. deployed meta-human. Meanwhile, Laurel talks Thea into returning to Nanda Parbat to ask her father to put Sara into the Lazarus Pit. However, Laurel is surprised when Nyssa refuses to do it.
Laurel must deal with the repercussions of taking Sara to Nanda Parbat. Meanwhile, Oliver asks Captain Lance for a favor and while he's not surprised at the response, he is surprised at what he finds out next.
When things take a turn for the worse with Sara, Oliver calls in a favor from an old friend who deals in the mystical, John Constantine.
Presumed-dead billionaire playboy Oliver Queen returns to Starling City and rights societal wrongs as Arrow.