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…

Niko flies blind as she contends with a damaged ship and an onboard contagion. Renowned reporter Harper Glass hounds Erik for information.

After saying goodbye to her family on Earth, Niko wakes in space to find the Salvare off course and divided loyalties among her young crew.

As tempers fray aboard the ship, the crew suits up for an expedition to an uncharted planet. On Earth, Erik tries to decode a clue from the artifact.

“Worlds lived, worlds died. Nothing will ever be the same.” The crossover starts on Supergirl S05E09 Crisis on Infinite Earths: Part One (I), Batwoman S01E09 Crisis on Infinite Earths: Part…

Supergirl grapples with whether or not to obey the President’s orders regarding Rhea’s latest actions. Meanwhile, Cat Grant returns to National City.

Supergirl challenges Rhea to battle to save National City. Meanwhile, Superman returns and Cat Grant offers Supergirl some sage advice.

When a new threat emerges in National City, Kara/Supergirl teams up with her cousin, Clark Kent/Superman, to stop it. Kara is thrilled to have family in town but it leaves…

CADMUS attacks National City with a Kryptonite-powered villain who ends up seriously hurting Supergirl. Superman blames Hank because the Kryptonite was stolen from the DEO. Meanwhile, Kara’s first day at…

Lex proceeds to lay an intricate plan to bring Lena closer to him, defeat Leviathan’s latest attack, and pit Supergirl and team against Leviathan. It is also revealed how Lex…

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).

Scott and Malia prepare for battle while Argent searches for an old ally.

Gerard initiates his final attack on the Supernaturals of Beacon Hills

As Scott readies Beacon Hills for his imminent departure, a mysterious presence breaks out of Eichen House.

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…

When an Arctic explorer is killed during a polar expedition, the mysterious circumstances of his death take Castle and Beckett from the penthouses of Park Avenue to the halls of…

Strange events begin to happen as the CSI team tracks down a serial killer who killed during a solar eclipse.