You may wish to consult planet (disambiguation) for other, similarly-named pages.

This Earth-like planet was inhabited by Thains. A group of Kleptons came to this world and built an underwater city. In the 30th century they attacked a Thain city with their flying machines and creepers, capturing many for slaves. The First Doctor, John and Gillian arrived and helped the Thains repel the invaders. They followed the Kleptons to their city, freed their slaves and destroyed the city. (COMIC: The Klepton Parasites)

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