After evading a Neolution attack in Iceland, Sarah returns home to track down an elusive new ally. As Cosima struggles with Delphine’s disappearance, Alison and Donnie host a pregnant and…

After two months of respite, Sarah’s hard-won refuge in Iceland is shattered by a Neolution attack. Once again forced to flee, she realizes no matter how far her family runs…

The NCIS team uncovers a discrepancy with DNA remains when investigating the crash of a military plane that had been transporting caskets.

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…

When her father won’t believe her accusations against Sebastian, Laurel turns to the Arrow for help. Oliver has his own doubts about Laurel, particularly when she is arrested on a…

A bomber nicknamed Shrapnel has set his sights on Sebastian Blood, and Oliver dons his mask to protect his newfound ally. Meanwhile, Laurel investigates Sebastian’s aunt who is locked up…

Oliver puts Sara Lance up at the manor and soon discovers that she doesn’t want to contact her family… both because she would put them in danger, and because she…

The Count has a new scheme to turn Starling City’s residents into clients by addicting them to a new drug and then selling them Vertigo to cure it. among those…

When a dangerous criminal from Lance’s past escapes from prison, Felicity offers herself up as bait so Arrow, Diggle and Lance can capture him…but plans go awry.

Oliver discovers a man who goes by the name “The Mayor” is bringing illegal guns in to The Glades, so Oliver sponsors a “Cash for Guns” event to help clean…

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…