Private Grodax was called upon to capture the Tenth Doctor and Heather McCrimmon when they arrived on an alien planet whose inhabitants were not accustomed to the sight of "soft, squishy, pink creatures with two eyes" and frightened a local farming family. Although afraid, Grodax questioned why they were to be treated so harshly at the military base, locale 51. When the Doctor and Heather were recaptured, after escaping without hurting anyone, even though they had the chance, he helped them to leave the base and return to their spaceship, the TARDIS. (COMIC: The Unwelcome Visitors)