In 2009, the Christmas Corporation enslaved some Silostophans to work in their factory on Salostopus. They were freed by the Fourth Doctor and Adric. (PROSE: Planet of the Elves) At some point before 3999, Salostopus was attacked by the Wirrn. (PROSE: Placebo Effect) Some of the inhabitants of Dronid were originally from Salostopus. (PROSE: Alien Bodies) Circa 2000000, Sabalom Glitz was born on Salostophus (TV: The Mysterious Planet), as was Dibber (PROSE: Mission: Impractical).