Doctor Who The Keys of Marinus. Word Search Puzzle Solver. Doctor Who The Keys of Marinus word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. The TARDIS arrives on the planet Marinus on an island of glass surrounded by a sea of acid. The travellers are forced by the elderly Arbitan to retrieve four of the five operating keys to a machine called the Conscience of Marinus of which he is the keeper. These have been hidden in different locations around the planet to prevent them falling into the hands of the evil Yartek and his Voord warriors who plan to seize the machine and use its originally benevolent mind-influencing power for their own sinister purposes. This includes identifying and searching for words that are related to : George Coulouris, Stephen Dartnell, Henley Thomas, Edmund Warwick, Adventure, Donald Pickering, Drama, Jacqueline Hill, Carole Ann Ford, Peter Stenson, William Hartnell, Fiona Walker, Alan James, Michael Allaby, Heron Carvic .