视频简介
In the run up to the festive season, Kitty becomes convinced that Santa has made an early stop at Button House when Mike and Alison discover a man living in a tent on their grounds. The ghosts' advice on how to deal with him leaves much to be desired, but eventually Mike and Alison learn that they have more to offer this Christmas than they realised.。A stranger who turns up at a resort hotel in midwinter, behaves rudely towards other guests and disappears the next day. Found half-frozen in the snow he is taken to hospital where his story is gradually revealed.。EP01改变行星的大灾难（Catastrophes that Changed the Planets） EP02太阳的邪恶双子星涅墨西斯（Nemesis: The Sun's Evil Twin） EP03太阳系的形成（How the Solar System was Made） EP04迫降火星（Crash Landing on Mars） EP05地球的灾难时刻（Worst Days on Planet Earth） EP06不明飞行物的真面目（UFO: The Real Deal） EP07宇宙中的上帝（God and the Universe）。