Poltergeist: The Legacy (1996)

S1E11 Do Not Go Gently

Title: Do Not Go Gently Plot: Liz Barrow, an old acquaintance of Nick's, experiences a severe asthma attack while with her fiancé, Kevin, and slips into a coma. In her unconscious state, she enters a shadowy realm where she witnesses a young boy being brutally killed by a terrifying creature. Suddenly, she awakens to find the same boy in the adjacent hospital bed has just passed away. Fearing for her own life, Liz urges Kevin to reach out to Nick for help. She hopes he can uncover the sinister truth lurking within the hospital before she becomes the next victim of the nightmare that haunts her.