The Adventures of Superman (radio) home planet of Krypton is located on the far side of the sun, as opposed to a distant star system as it is in most stories. During the journey to Earth, baby Kal-el grows into an adult and emerges fully grown from his ship after it lands on Earth. He is never adopted by the Kents but immediately begins his superhero career. This was eventually retconned in later episodes to match the narrative of the comic books. This serial introduced the fictional mineral kryptonite, the radiation from which can weaken and even (in some continuities) kill Superman. Aside from giving
Superman (1978 film) doing it because they're paying me the money that they owe me from the lawsuit. I'll never come onto your set unless you ask me; I'll never go to your dailies. If I can help you in any way, call me." It was decided to stop shooting "Superman II" and focus on finishing "Superman". Donner had already completed 75% of the sequel. The filmmakers took a risk: if "Superman" was a box office bomb, they would not finish "Superman II". The original climax for "Superman II" had General Zod, Ursa, and Non destroying the planet, with Superman time traveling to