Antari Three
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Antari Three was a planet in the Antari system. (PROSE: Survival) The Tremas Master tried to start a war between the Antari Two and Antari Three, but had to escape Antari Two in a hurry, leaving his TARDIS behind on Antari Three and eventually becoming stranded on the Cheetah Planet. (PROSE: First Frontier, TV: Survival)