Doctor Who The cave of Evil is a Doctor Who Television special, supposedly set after Doctor Who the waters of mars. Its one of the most exciting Doctor Who movies yet. It is rated PG. story The Tenth Doctor arrives in an underground cavern deep under the sewers of London in the year 2018... The Doctor searches the cavern for anything interesting. He hikes for hours hoping to find something interesting. But nothing is in the cave. No monsters, no aliens, no life, no trees, and nothing. Nothing at all. The doctor, bummed out about this goes on a hike to return to the TARDIS but he is lost. He can't find the TARDIS. It was too far away. The doctor then sees a big building. He explores it to see if there is anybody around. There is a Torchwood team. "Who are you?" the doctor asks. "We are Tor