Krypton Wiki

The first season of Krypton premiered on Syfy on March 21, 2018, and concluded on May 23, 2018. It became available to stream on DC Universe on April 5, 2019.[1]


Set two generations before the destruction of the legendary Man of Steel’s home planet, Krypton follows Superman’s grandfather — whose House of El was ostracized and shamed — as he fights to redeem his family’s honor and save his beloved world from chaos.[2]


Full Season 1 Cast[]


Number Title Airdate
1 "Pilot" March 21, 2018
Superman’s grandfather, Seg-El, learns Krypton is in danger of being destroyed so that his future grandson will never be born.
2 "House of El" March 28, 2018
After suffering a tragedy, Seg is forced to adjust to a new life, a new rank and a new threat.
3 "The Rankless Initiative" April 4, 2018
During the military crackdown on terrorist group, Black Zero, Seg and Adam Strange race to find Brainiac's deadly Sentry, while Lyta juggles her position as Commander with her love for Seg.
4 "The Word of Rao" April 11, 2018
The Voice of Rao begins Kandor's Nova Cycle festival and finds a scapegoat for the failed Rankless Initiative. Meanwhile, Seg is approached by a mysterious Black Zero leader.
5 "House of Zod" April 18, 2018
Jayna grapples with her torn loyalties as Seg fights for survival within the heart of Black Zero.
6 "Civil Wars" April 25, 2018
Seg is confronted with an impossible decision that will shape the future of the El legacy and the entire universe: stop Brainiac from bottling Kandor or let Krypton perish so Superman may live.
7 "Transformation" May 2, 2018
After the failed coup, Daron is ordered to punish the conspirators. Lyta and Dev go in search of Jayna but get more than they bargained for.
8 "Savage Night" May 9, 2018
A resistance movement begins to form to impede the Voice of Rao's increasing power and influence.
9 "Hope" May 16, 2018
Lyta and Zod come up with a plan to stop Brainiac, while Seg must decide if he's willing to make the ultimate sacrifice in service of the greater good of Kandor.
10 "The Phantom Zone" May 23, 2018
The bottling of Kandor commences, while Seg races against the clock to save his city from being overtaken by Brainiac.


Promotional images[]

Title cards[]