1x11 - Poltergeist: The Legacy

Liz Barrow, an old friend of Nicks, is with her fiance when she has an asthma attack and falls into a coma. She finds herself in a dark mysterious place and sees a young boy killed by a large monstrous shape. At that moment she awkes and watches as the boy in the next bed, the same boy from her 'dream', dies. She gets her fiance, Kevin. to contact Nick and get him to iunvestigate the hospital. Hoping he can find out what is going on there before she to falls vitim to the monster in her dreams.