watch 01:38 The Loop (TV) Do you like this video? Ninjas were assassins in medieval Japan. (AUDIO: The Jade Pyramid) The Third Doctor claimed to have trained as a ninja on Quinnis. (PROSE: The Devil Goblins from Neptune) Cousin Dysgenia was told that ninjas were actually mythical and based on Noh theatre, but that made them the most powerful martial art practitioners. (PROSE: A Story of the Peace) Retrieved from "https://tardis.fandom.com/wiki/Ninja?oldid=2775312" Categories: Soldiers Japan + cat Cancel Save Community content is available under CC-BY-SA unless otherwise noted.