With Professor Pyg striking fear throughout Gotham, Gordon and Bullock head into the Narrows to look for clues. Bruce Wayne meets a former friend, Grace, who convinces him to come…

While Cole gets into the holiday spirit for his first Christmas with Maya, Murtaugh hopes he can convince RJ to come back home from Costa Rica for the holidays. Cole…

Finn arranges a meeting with Clarke and the leader of the Grounders in order to bring peace, however a sceptical Clarke warns Bellamy, who along with Jasper and Raven follow…

As Oliver’s face off with Slade escalates, his resolve to the no-kill rule is tested. Especially as Slade targets the woman Oliver loves.

The Huntress returns and takes hostages at the courthouse when her father is arrested. Laurel is among those taken, which prompts her sister, the Canary, to battle the Huntress in…

After covering from a near-fatal drug overdose, Oliver begins hallucinating people from his past. Believing he’s a liability, Oliver gives the information he has on Cyrus Gold to Quentin… which…

As the Dark Archer, Malcolm eliminates the scientists who created the Markov Device and then ships it to Starling City to destroy The Glades. Meanwhile, Oliver, Diggle, and Felicity infiltrate…

Oliver turns to Felicity for help when Moira unwittingly shoots her own son. As Oliver teeters on the verge of death, he remembers his time on the island when he…

Diggle convinces Oliver to go after bank robbers even though they’re not on Robert Queen’s list. However, Oliver soon discovers that they may be connected to his father after all….

Oliver returns to Starling City after the Undertaking and finds that things are in worse shape than he thought. Isabel prepares a hostile takeover of Queen Consolidated. Thea refuses to…

With time running out for Starling City, Oliver tries to stop Ra’s from unleashing the bioweapon and killing millions.

Nyssa believes that Malcolm killed Sara and goes after him to avenger her lover’s murder. Oliver discovers that he has no choice but to stop her, despite Laurel insisting that…

Oliver teams up with a surprising force in an attempt to stop Damien Darhk and his magic once and for all.

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…

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…

Prometheus claims two more victims, and Oliver realizes that the killings are related to the people on his father’s list. His recruits aren’t happy to hear that Oliver used to…

The Flash learns that Captain Cold and Heat Wave have returned to Central City. This time Snart has brought along his baby sister Lisa to help wreak havoc on the…

Temple Shaman takes Bruce to the next phase of his training; Gordon and Bullock discover a crystal owl that carries the biggest secrets of Gotham’s underworld; Nygma and Penguin must…

Gordon and Bullock sift through evidence from the murder at Lee and Mario’s engagement party; Ivy discloses her identity to Selina and Bruce.

Alfred and Selina help Bruce search for his parents’ killer, Matches Malone; Gordon goes to Edward Nygma with Kristen Kringle’s whereabouts; Hugo Strange continues working to reduce the Penguin’s aggression.

Fish Mooney reveals a secret of Oswald Cobblepot’s, prompting Maroni to take him on a trip to test his loyalty. Meanwhile, Gordon and Bullock hunt down a killer who targets…