Arrow/Season Four

Season Four
Arrow
Season Premiere	October 7, 2015
Season Finale	May 25, 2016
Episode Count	23
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Season Four of Arrow premiered on October 7, 2015.

Episodes

#	#	Title	Written By	Directed By	Airdate	Viewers	18-49 Rating	Prod.
70	1	Green Arrow	Greg Berlanti & Beth Schwartz	Thor Freudenthal	October 7, 2015	2.67M	1.1%	3J5801
Oliver and Felicity's blissful getaway is cut short when Thea and Laurel pay them a visit and tell Oliver they need his help back in Star City. The city has been attacked by "Ghosts," assassins led by a dangerous man named Damien Darhk. However, when Oliver returns, Diggle makes it very clear that he doesn't want Oliver on the team. Teleplay by Marc Guggenheim & Wendy Mericle
71	2	The Candidate	Marc Guggenheim & Keto Shimizu	John Behring	October 14, 2015	2.501M	1%	3J5802
When an old family friend, Jessica Danforth, tells Oliver and Thea that she is going to run for mayor, both Queens are concerned considering the last three mayors have been murdered. Despite their protests, Jessica makes her announcement so the Green Arrow and Speedy vow to protect her. Meanwhile, Thea begins to exhibit effects from the Lazarus Pit. In addition, Felicity is faced with a tough business decision and looks to one of her employees, Curtis Holt, for help.
72	3	Restoration	Wendy Mericle & Speed Weed	Wendey Stanzler	October 21, 2015	2.402M	0.9%	3J5803
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.
73	4	Beyond Redemption	Beth Schwartz & Ben Sokolowski	Lexi Alexander	October 28, 2015	2.643M	0.9%	3J5805
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.
74	5	Haunted	Brian Ford Sullivan & Oscar Balderrama	John Badham	November 4, 2015	2.601M	1.1%	3J5804
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.
75	6	Lost Souls	Beth Schwartz & Emilio Ortega Aldrich	Antonio Negret	November 11, 2015	2.298M	0.9%	3J5806
Felicity is frantic when she learns that Ray is alive and being held by Damien Darhk. Felicity's guilt over not finding Ray sooner causes tension between her and Oliver. Meanwhile, Sara joins Laurel, Thea and the team on a rescue mission for Ray. However, the effects of the Lazarus Pit take over and threaten to jeopardize the entire operation. Donna Smoak returns to Star City.
76	7	Brotherhood	Speed Weed & Keto Shimizu	James Bamford	November 18, 2015	2.691M	1.1%	3J5807
Team Green Arrow's ongoing battle with Damien Darhk is complicated by a shocking revelation. Thea's bloodlust returns and she loses control in front of Alex.
77	8	Legends of Yesterday (2) conclusion of crossover with The Flash	Greg Berlanti & Marc Guggenheim	Thor Freudenthal	December 2, 2015	3.664M	1.4%	3J5808
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. Teleplay by Brian Ford Sullivan & Marc Guggenheim
78	9	Dark Waters	Wendy Mericle & Ben Sokolowski	John Behring	December 9, 2015	2.82M	1%	3J5809
After the city is attacked again, Oliver makes a bold move against HIVE. Malcolm checks in on Thea and leaves her with a warning. Things take a horrible turn when Damien Darhk retaliates in a brutal manner at Oliver's mayoral holiday party.
79	10	Blood Debts	Oscar Balderrama & Sarah Tarkoff	Jesse Warn	January 20, 2016	2.829M	1.1%	3J5810
Oliver must deal with the devastating consequences of Darhk's last attack. Seeking revenge, Oliver goes on a brutal manhunt looking for Dahrk.
80	11	A.W.O.L.	Brian Ford Sullivan & Emilio Ortega Aldrich	Charlotte Bra:ndstro:m	January 27, 2016	2.778M	1.1%	3J5811
Diggle must learn to trust his brother Andy when an enemy of their wartime past, an agent of the criminal organization Shadowspire, pays a visit to Star City. However, Diggle learns more than he bargained for about their shared time at war. Meanwhile, Oliver has to learn a whole new way of life.
81	12	Unchained	Speed Weed & Beth Schwartz	Kevin Fair	February 3, 2016	2.475M	0.9%	3J5812
The team faces off against a formidable villain nicknamed The Calculator. Meanwhile, Nyssa makes her move and Roy Harper returns to Star City.
82	13	Sins of the Father	Ben Sokolowski & Keto Shimizu	Gordon Verheul	February 10, 2016	2.445M	0.9%	3J5813
Oliver receives an offer from Nyssa that is hard to refuse. Meanwhile, Thea continues to battle the blood lust, Malcolm steps in to help his daughter, and Laurel has a heart to heart talk with Nyssa.
83	14	Code of Silence	Wendy Mericle & Oscar Balderrama	James Bamford	February 17, 2016	2.444M	0.9%	3J5814
Oliver and team uncover HIVE's plan to take out Team Arrow once and for all. With HIVE's next attack imminent, Lance wonders if Donna is safer without him in her life. Meanwhile, with the wedding fast approaching, Oliver begins to feel guilty that he hasn't told Felicity about his son.
84	15	Taken	Marc Guggenheim	Gregory Smith	February 24, 2016	2.696M	1%	3J5815
Oliver realizes he needs help battling Darhk so he calls in an old friend - Vixen. Using her magical ability to summon animal powers, Vixen gets a lock on Darhk's location and the team goes to war. Meanwhile, Thea has a heart-to-heart talk with Malcolm. Teleplay by Keto Shimizu & Brian Ford Sullivan
85	16	Broken Hearts	Rebecca Bellotto & Nolan Dunbar	John F. Showalter	March 23, 2016	2.089M	0.7%	3J5816
A heartbroken Cupid returns to Star City with one goal - to destroy anyone in love. The team learns she's killing couples on their wedding day so Oliver and Felicity decide to pose as bait.
86	17	Beacon of Hope	Ben Sokolowski & Brian Ford Sullivan	Michael Schultz	March 30, 2016	2.339M	0.9%	3J5817
Brie Larvan breaks out of jail and turns up at Palmer Tech threatening to kill everyone unless she gets the bio-chip that is implanted in Felicity's spine. When Oliver realizes that Felicity, Thea and Donna are trapped in Palmer Tech with everyone else, he looks to a surprising ally to help Team Arrow save the day.
87	18	Eleven-Fifty-Nine	Marc Guggenheim & Keto Shimizu	Rob Hardy	April 6, 2016	2.239M	0.8%	3J5818
Oliver and Diggle learn that Merlyn is going to try to break Darhk out of prison. Meanwhile, Laurel gets a surprising offer and Felicity has a heart-to-heart talk with Curtis.
88	19	Canary Cry	Wendy Mericle & Beth Schwartz	Laura Belsey	April 27, 2016	2.27M	0.9%	3J5819
Oliver and the team struggle to come to terms with Laurel's death, especially Diggle who is overwhelmed with guilt for choosing to believe Andy had changed. Meanwhile, Lance refuses to believe his daughter is really gone and asks Nyssa to help bring her back. A recent Black Canary sighting in Star City only seems to prove his theory that Laurel isn't actually dead.
89	20	Genesis	Oscar Balderrama & Emilio Ortega Aldrich	Gregory Smith	May 4, 2016	2.071M	0.7%	3J5820
As Oliver and Felicity look for a magical solution to defeat Darhk, a vengeance-driven Diggle gets a lead on Andy's whereabouts and heads off to confront his brother. Meanwhile, Alex takes Thea on a vacation that quickly turns into a nightmare.
90	21	Monument Point	Speed Weed & Jenny Lynn	Kevin Tancharoen	May 11, 2016	2.156M	0.8%	3J5821
When Team Arrow learns what Damien Darhk's next move is Felicity realizes she needs to ask her father, Noah Kuttler, for help. Noah and Oliver have a heart to heart talk that leaves Oliver rattled.
91	22	Lost in the Flood	Brian Ford Sullivan & Oscar Balderrama	Glen Winter	May 18, 2016	1.944M	0.7%	3J5822
Following the shocking events in the previous episode, Oliver and Diggle race to rescue Thea, while Felicity, Curtis and Noah join together to stop Darhk.
92	23	Schism	Greg Berlanti	John Behring	May 25, 2016	2.193M	0.8%	3J5823
Oliver teams up with a surprising force in an attempt to stop Damien Darhk and his magic once and for all. Teleplay by Wendy Mericle and Marc Guggenheim.