Marshmen invade the Terradonian ship thanks to Romana, who seems to be in communion with them. While the ship's inhabitants flee for their lives, the Doctor discovers a crucial fact why these humanoids can never return to the planet Terradon.
Genres: Action & Adventure , Drama , Sci-Fi & Fantasy
Keywords: admiring , alien , comforting , excited , nostalgic , scathing , space , time-travel , watch-full-episodes-online