S8, E4: Tess and her team perform tests on Clark's crystal that she retrieved from the Arctic, causing it to send a beam of light into the universe. This triggers the arrival of DC Comics' Maxima (guest star Charlotte Sullivan - "M.V.P.," "Across the River to Motor City ," "The House Next Door"), a queen from the planet Almerac, who is searching for her soul mate and believes this is who sent the signal. Unfortunately, Maxima's power is too great for mortal men and her kiss kills them. As the seductive Maxima arrives in Metropolis, she begins her search, starting with Jimmy.