What if Superman never existed? Set two generations before the destruction of Superman's home planet, this story follows Seg-EI, the legendary Man of Steel's grandfather, who is faced with a life-and-death conflict: save his home planet or let it be destroyed in order to restore the fate of his future grandson. With Krypton's leadership in disarray, Seg must balance the quest to redeem his family's honor and protect the ones he loves while being challenged by Brainiac and Adam Strange.

Season 1 special features: Kryton: 2017 Comic-Con panel; Krypton: Bringing the home world to life; A lost kingdom: Life of Krypton; gag reel; deleted scenes.

Pilot --House of El -- The rankless initiative -- The word of Rao -- House of Zod -- Civil wars -- Transformation -- Savage night -- Hope -- The phantom zone.