If you would like to read my review of the last episode, click here. Synopsis: A hunt for the lost Ninth Roman Legion leads the Doctor, Bill and Nardole into the middle of an ancient battle that could cast humanity into the dark forever. What is inside the cairn? And how far will they have to go defeat the terrifying alien Eaters of Light? (BBC) Writer: Rona Munro Director: Charles Palmer Rating: TV-PG Running Time: 45mins We are slowly...