TV series
There's more to the legend.
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.
Streaming, rental and purchase options
Checked Jul 22, 2026
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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.
Choose an episode, then use the watch options above for the show.
Episode 1
Superman's grandfather, Seg-El, learns Krypton is in danger of being destroyed so that his future grandson will never be born.
Directed by Ciarán Donnelly, Colm McCarthyWritten by David S. Goyer, Ian B. Goldberg, David S. Goyer, Ian B. GoldbergGuest stars Paula Malcomson, Rupert Graves, Nicholas Witham Mueller, Phill Langhorne, Danijel Korsa, Josh Bradshaw, Adam Fielding, Hadrian Howard
Episode 2
After suffering a tragedy, Seg must adjust to a new life, a new rank and a new threat.
Directed by Ciarán DonnellyWritten by Cameron WelshGuest stars Gordon Alexander, Alexis Raben, Tipper Seifert-Cleveland
Episode 3
During a military crackdown on Seg's home district, Seg and Adam Strange race to find a deadly Sentry.
Directed by Steve ShillWritten by Nadria TuckerGuest stars Richard Pepple, Alexis Raben, Christopher Grant, Sara Dylan, Stephen Kelly, Martin Pemberton, Sean McNamee, Sarah Armstrong
Episode 4
Seg is approached by a Black Zero leader as Rao finds a scapegoat for the failed Rankless Initiative.
Directed by Keith BoakWritten by Luke KalteuxGuest stars Colin Salmon, Alexis Raben, Kim Adis, India Mullen, Killian Coyle, Nigel O'Neill, Sarah Armstrong, Andrea Vasiliou
Episode 5
Jayna grapples with her torn loyalties as Seg fights for survival within the heart of Black Zero.
Directed by Julius RamsayWritten by Lina PatelGuest stars Colin Salmon, Emmanuel Ighodaro, Asiatu Koroma, Sarah Armstrong, Andrea Vasiliou, Malachi Hallett, Lucy McConnell, Jennifer Lee Moon
Episode 6
Seg is faced with an impossible choice that will shape the El legacy and the fate of the universe.
Directed by Kate DennisWritten by Doris EganGuest stars Colin Salmon, India Mullen, Desmond Eastwood, Jennifer Lee Moon, Beatrice Comins, Tony Flynn, Tipper Seifert-Cleveland, Lukas Loughran
Episode 7
After a failed coup, Daron punishes the conspirators. Lyta and Dev go in search of Jayna.
Directed by Metin HüseyinWritten by David Paul FrancisGuest stars Colin Salmon, India Mullen, Tipper Seifert-Cleveland, Chris McCurry, Patrick Buchanan, Miles Yekinni, Theo Morton, Esosa Ighodaro
Episode 8
A resistance movement begins to form to impede the Voice of Rao's increasing power and influence.
Directed by Marc RoskinWritten by David KobGuest stars Colin Salmon, Hannah Waddingham, India Mullen, Tipper Seifert-Cleveland, Natalia Kostrzewa
Episode 9
Seg must decide if he can make the ultimate sacrifice in service of the greater good of Kandor.
Directed by Lukas EttlinWritten by Chad Fiveash, James Patrick StoterauxGuest stars Colin Salmon, Hannah Waddingham, Patrick Buchanan, Lukas Loughran, Christopher Sciueref, Faisal Mohammed, Sonita Henry
Episode 10
Seg races to save his city from being overtaken as the bottling of Kandor begins.
Directed by Ciarán DonnellyWritten by Chad Fiveash, James Patrick Stoteraux, Cameron WelshGuest stars Colin Salmon, Hannah Waddingham, Nicholas Prasad, David Crowley
Episode information updated Jul 24, 2026
Cameron CuffeSeg-El
Georgina CampbellLyta-Zod
Shaun SiposAdam Strange
Wallis DayNyssa-Vex
Ann OgbomoJayna-Zod
Colin SalmonGeneral Zod
Aaron PierreDev-Em
Ian McElhinneyVal-El
SyfyUnited States
Warner Horizon TelevisionUnited States
DC EntertainmentUnited States
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