Doctor Who The Invisible Enemy. Word Search Puzzle Solver. Doctor Who The Invisible Enemy word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. A three-man rocket crew are nearly done with their mission to Titan Base until a course change puts the rocket in the path of a strange cloud in space. By the time they arrive they have come under the control of a sentient virus which threatens the galaxy. When the TARDIS picks up an emergency message it flies into the cloud infecting the Doctor. To save himself and others he must undertake a dangerous journey. This includes identifying and searching for words that are related to : Jay Neill, Edmund Pegge, Adventure, Science Fiction, Frederick Jaeger, Louise Jameson, Brian Grellis, Drama, Tom Baker, Michael Sheard, John Leeson .