With the apparent loss of Oliver Queen, Diggle and Roy continue his mission, while Felicity begins to question vigilantism and Laurel at last embraces her new identity.
The Flash weathers fire and ice this week, as Captain Cold returns to Central City for the midseason premiere, and brings Heat Wave with him.
Ra’s al Ghul comes to Starling City and Sara Lance’s killer is finally revealed in a midseason finale that ends with a literal cliffhanger.
An epic battle between The Flash and the Reverse-Flash, and the arrival of Firestorm are just the tip of the iceberg in the midseason finale.
Arrow and The Flash grapple with moral issues even as they race to stop Captain Boomerang’s path of death and destruction.
A classic team-up, a superhero battle for the ages and the debut of a DC Comics character we’ve been waiting for all season. Plus … the Rainbow Raider?
More than a mundane villain of the week, the vengeful Blackout poses a threat to Barry’s powers and Harrison Wells’ life.
“Draw Back Your Bow” feels like Season 1 episode as Cupid arrives to Starling City, but a Cinderella-like subplot involving Felicity Smoak and Ray Palmer saves the day.
Barry Allen confronts his childhood tormentor in the form of Girder in an episode that initially felt clichéd but ended with an unpredictable bang.
Did Roy Harper murder Sara Lance? Is Ted Grant a serial killer? The answers to both questions are revealed in this week’s episode, which also introduces the Boxing Glove Arrow!
A wedge is driven between Barry and Iris as Plastique makes her television debut. Plus, a glimpse of one of The Flash’s most iconic foes.
A visit from Donna Smoak and a threat from the mysterious Brother Eye open a window into Felicity’s troubled — and decidedly goth — past.