 Beginning with a flashback in the episode "Kandor" of season 9 with a young Major Zod losing his first one in the battle within Kandor with Black Zero.After sparing Jor-El's punishment from the Science Council upon construction of a contingency cloning plan called "The Orb", Zod asked Jor-El to clone his dead son.Jor-El refused upon discussing possible mutations or a shorter lifespan, Zod declared him dead as his son.