The Doctor returns to Vortis to discover the Menoptra are once more under threat by Zarbi. This time the giant ants are being directed by the alien Skirkons. Disguised as flying Zarbi they have come to plunder Vortis of an energy giving mineral, Galvinium X.
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- This story began running in TV Comic one week after the conclusion of the television story The Web Planet, which had introduced the setting and characters.
- This is the Doctor's third visit to Vortis. His last visit had been in PROSE: The Lair of Zarbi Supremo. He would next visit in TV: The Web Planet.