- You may be looking for the Dalek prison colony.
Land of the Lost was a novel by Ganton Emmerich, based on a peaceful emissary from another time protecting an ignorant people from the monster living among them.
A copy of this novel was among a stash of books Jixey the Jixen kept in his hideout to learn English. When he found Starkey, he explained that it told his story. He was the emissary, the ignorant people were humanity and the monster living among them was K9. (TV: Hound of the Korven [+]Loading...["Hound of the Korven (TV story)"])