("Devil Dog: The Hound of Hell") is an American made-for-television film directed by Curtis Harrington, released in 1978. The story revolves around a family living on the outskirts of a city and their experiences with a seemingly innocent dog they adopt, which turns out to have a much darker, supernatural origin. The dog is revealed to be a demonic creature, bringing terror and chaos to the family. The plot focuses on the psychological and physical toll the dog has on the family , and how they must deal with the malevolent force it represents.

The cast includes Richard Crenna as Mike Barry, the father of the family; Yvette Mimieux as Betty Barry, the mother; and Kim Richards and Ike Eisenmann, who play the children, Bonnie and Charlie. Interestingly, Kim Richards and Ike Eisenmann were already well-known child actors from their roles as siblings in the Escape to Witch Mountain films produced by Walt Disney Productions.

The film is a mix of horror and psychological thriller, capturing the growing sense of dread and tension as the family slowly realizes the true nature of their adopted pet. As the story unfolds, the family must confront the reality that their beloved dog is, in fact, a demonic being with destructive powers. The film gained a cult following among fans of horror films and made-for-TV thrillers during the late 1970s.