Supergirl
(s3e1-23)
10/09/2017-06/18/2018
Kara struggles with the loss of Mon-El after he is forced to leave Earth. When Mon-El returns, he reveals that he has time-traveled to the 31st century and founded the Legion, as well as married Imra Ardeen. J'onn discovers his father M'yrnn J'onzz is alive, and Alex deals with her heartbreak after breaking up with Maggie. Kara and Alex's new friend, Samantha Arias, discovers she is also a Kryptonian survivor and begins a transformation from a loving single mother into the world-killing weapon known as Reign.
The Flash
(s4e1-23)
10/10/2017-05/22/2018
The team successfully brings Barry back from the Speed Force, but in the process release dark matter that turns a dozen people on a city bus into metahumans, masterminded by Clifford DeVoe, an adversary with the fastest mind alive.
Legends of Tomorrow
(s3e1-18)
10/10/2017-04/09/2018
Rip forms the Time Bureau to replace the Time Masters and fires the Legends for causing anachronisms. When Bureau agent Ava Sharpe is captured, Rip is forced to take the Legends out of retirement. Elsewhere, the demonic entity Mallus forms a cult led by Darhk's daughter Nora, pursuing the six totems of Zambesi, two of which are wielded by Amaya and near-future hacktivist Zari Tomaz.
Arrow
(s6e1-23)
10/12/2017-05/17/2018
Oliver attempts to balance his vigilantism alongside his role as mayor, whilst also being a father to William, following the death of the boy's mother. A new threat in the form of terrorist hacker Cayden James and his criminal gang emerges.
Freedom Fighters: The Ray
(s1e1-6, s2e1-6)
12/08/2017-07/18/2018
Raymond "Ray" Terrill is a housing rights advocate who discovers a doppelganger of himself from another Earth. The man disappears, and gives him light-based powers, and he is recruited to join the Freedom Fighters on Earth where he battles the New Reichsmen.
Black Lightning
(s1e1-13)
01/16/2018-04/17/2018
Jefferson Pierce, the principal of Garfield High School in the city of Freeland, Georgia. Nine years ago, he was a superhero called Black Lightning. He retired when that life negatively impacted his ex-wife Lynn Stewart and his daughters Anissa and Jennifer. Jefferson is forced to become Black Lightning again when associates of The 100, Freeland's most feared criminal gang led by Tobias Whale, kidnap Anissa and Jennifer.