Mr. Vampire IV, also known as Mr. Vampire Saga Four (Chinese: 殭屍叔叔) is a 1988 Hong Kong comedy horror film directed by Ricky Lau and produced by Sammo Hung and Jessica Chan. The film is the fourth of a series of five films directed by Ricky Lau in the Mr. Vampire franchise. Mr. Vampire and its sequels were released as part of the jiangshi cinematic boom in Hong Kong during the 1980s. The Chinese title of the film literally translates to Uncle Vampire.