When S.T.A.R. Labs discovers an alien spaceship which crashes, Lois Lane, Clark Kent, Jimmy Olsen, and S.T.A.R. Labs scientists Albert Michaels and Jenet Klyburn find within the ship two aliens named Xelandra and Argan in suspended animation until Jimmy accidentally awakens them. When it is discovered the ship was used by an intergalactic policeman who arrested a criminal, Superman must find out who is who before the criminal uses Earth to lay eggs. / When Martha Kent takes Clark on his first shopping trip, she tries to be careful that Clark doesn't give away his powers.