Pet Sematary (sometimes referred to as Stephen King’s Pet Sematary) is a 1989 American horror film adaptation of Stephen King’s 1983 novel of the same name. Directed by Mary Lambert and written by King, the film features Dale Midkiff as Louis Creed, Denise Crosby as Rachel Creed, Blaze Berdahl as Ellie Creed, Miko Hughes as Gage Creed, and Fred Gwynne as Jud Crandall. Andrew Hubatsek was cast for Zelda’s role. King, who scripted from his own book, also has a cameo as a minister. The movie’s title is a sensational spelling of “cemetery.”

Unearthed & Untold: The Path to Pet Sematary (2017) Review
As a stand-alone documentary, even the titular Pet Sematary itself couldn’t bring this dead horse to life.