Rosemary's Baby is a 1967 horror novel by American writer Ira Levin; it was his second published book. It was the best-selling horror novel of the 1960s, selling over 4 million copies. The high popularity of the novel was a catalyst for a "horror boom", and horror fiction would achieve enormous commercial success.

Look What's Happened to Rosemary's Baby is a 1976 American made-for-television horror film, which serves as the sequel to Roman Polanski's 1968 film Rosemary's Baby, and the second installment in the franchise of the same name. The movie stars Stephen McHattie, Patty Duke, George Maharis, Ruth Gordon and Ray Milland; premiering as the ABC Friday Night Movie on October 29, 1976.