On the precipice of Gotham’s reunification, Gordon and Bruce find themselves face-to-face with a newly transformed Eduardo, and discover the real mastermind behind the city’s current chaos. Meanwhile, a pregnant…

Bullock’s past comes back to haunt him when he and Gordon investigate two murders at Sirens. Meanwhile, Bruce and Alfred explore the tunnels beneath the city, and Penguin and Nygma’s…

Bruce Wayne puts the lives of Gotham Natural History Museum historian Niles Winthrop and his grandson, Alex, in danger in an attempt to uncover the meaning behind his prized knife…

Butch leads Penguin and his men to the warehouse where Gertrude is being held, as Penguin plots his revenge on Galavan for kidnapping his mother. Meanwhile, Nygma deals with the…

An old friend taunts Holden with the answers he seeks. Naomi struggles to fit in. A mysterious low-level tech aboard the Thomas Prince enacts a terrifying plan.

All eyes turn to the edge of the solar system as a mysterious new presence emerges; Naomi recommits to her roots; Drummer butts heads with a seasoned new commander aboard…

Naomi tracks down signs of the protomolecule; Fred Johnson’s control over the OPA collapses.

Preparations for the Earth/Mars peace conference tighten the tension on Erringwright.

Deadshot returns to Starling City after taking down a U.S. Ambassador and six others overseas. By keeping tabs on A.R.G.U.S.’s manhunt for the assassin, Oliver, Diggle, and Felicity learn that…

Coulson and May uncover startling information about Skye’s past, while the team is swept into a storm at S.H.I.E.L.D. Academy.

As Oliver and Helena grow closer, Oliver trains her to be his ally, complete with showing her how to use a crossbow. Diggle disapproves of Oliver sharing his secret with…