watch 01:29 Wiki Targeted (Entertainment) Do you like this video? Play Sound Marsham Castle was built in 1156 in Crook Marsham. It was destroyed in 1644 when the Sentience left Earth to feed on a nova. A radio telescope was built on the site, which the Seventh Doctor and Ace visited in 1968. (PROSE: Nightshade) Retrieved from "https://tardis.fandom.com/wiki/Marsham_Castle?oldid=3021186" Categories: Yorkshire locations English castles English houses and mansions Buildings visited by the Seventh Doctor + cat Cancel Save Community content is available under CC-BY-SA unless otherwise noted.