"Plant of Doom" is the second episode of Supermarionation television series Stingray, originally broadcast as episode 34 on 23 May 1965. It was written by Alan Fennell and was directed by David Elliott.Still outraged that his slave Marina assisted Troy and Phones in their escape from Titanica, Titan plots his revenge by ordering surface agent X-2-Zero to deliver a plant that consumes the atmosphere to her father Aphony, at Pacifica.