An American family moves into a mansion in Taiwan and soon learns the ghost-infested house was built to terrorize its occupants.

The group uses Ray’s invention to track new recruits to help save the universe. The Monitor sends Iris, Clark and Lois in search of a mysterious Kryptonian, while Kate and…

The Monitor sends Harbinger to gather the worlds’ greatest heroes – Supergirl, The Flash, Green Arrow, Batwoman, White Canary, The Atom and Superman – in preparation for the impending Crisis….

Supergirl, The Flash, Green Arrow and Superman engage in the battle of their lives. The crossover starts on The Flash S05E09 Elseworlds (I) and Arrow S07E09 Elseworlds (II).

Barry and Iris’s wedding brings the gang together, but things go awry when villains from Earth-X attack the ceremony. All of the superheroes band together with help from their super…

Eliza comes to town to celebrate Thanksgiving with her daughters. Alex decides it’s time to come out to her mother; Kara is shocked when Eliza suggests Mon-El has feelings for…

Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for…

Stuck in the Vanishing Point, the Paragons search for a way to escape. The futility of the situation is compounded by The Flash’s disappearance. However, hope appears in the form…

With Oliver and Barry still stuck in the other’s bodies, the two get a lead on John Deegan and head to Gotham City with Supergirl to figure out why their…

Barry and Iris’s wedding brings the gang together, but things go awry when villains from Earth-X attack the ceremony. All of the superheroes band together with help from their super…

After learning the Dominators’ plan for the world, the Legends must work together with The Flash, Supergirl and Green Arrow to kill them once and for all. Meanwhile, Stein figures…

Nate is shocked to learn he has powers and accidentally lands himself and Ray in Feudal Japan. Sara, Vixen and Rory agree to find Nate and help him master his…

Barry and Iris’s wedding brings the gang together, but things go awry when villains from Earth-X attack the ceremony. All of the superheroes band together with help from their super…

Oliver wakes up to a life where he never got on The Queen’s Gambit. Robert and Moira Queen are alive and well. Laurel is his loving fiancée and their wedding…

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…

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…

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

A crossover event that began on “The Flash” concludes with Oliver teaming with the Flash to stop a boomerang-wielding killer who plants five bombs in the city that are set…

With crime at an all time low, Oliver decides to take a break and asks Felicity on a date. However, they’re interrupted when a new drug dealer take the name…

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…

When a superhumanly strong thief robs a Queen Consolidated warehouse, Central City police scientist Barry Allen comes to Starling City to investigate the case. However, despite his close working relationship…