You may be looking for the planet. The Erebus was a submarine. On 2040, the Erebus was at the Mariana Trench. Chris Fleming saw the Doctor's TARDIS at the edge of it. The Fourth Doctor, Romana I and K9 Mark II went aboard the submarine. (AUDIO: Phantoms of the Deep) Retrieved from "https://tardis.fandom.com/wiki/Erebus_(submarine)?oldid=2437574" Categories: Vehicle stubs Vehicles Individual submarines Community content is available under CC-BY-SA unless otherwise noted.