So Superman and Clark Kent lost their memories and a meteor is about to hit the earth and whoom, gone! They went into outer space and somewhat stopped it but the memory loss phased them big time. Then the Chief lost it with Clark thinking it was a gag! No! No gag. Clark lost his mem0ry but the second he realized his strength he realized he was Superman and then went to the scientist in charge of overseeing potential doom and science for Metropolis. The gentleman told Superman what to do and then the earth was saved by the Man of Steeel himself.
Adventures of Superman: S02: Review: Panic In The Sky