Dogtanian and the Three Muskehounds (Spanish: D'Artacán y los Tres Mosqueperros), known as The Dog Knight in North America, is a 2021 Spanish computer-animated adventure film directed by Toni García and written by Doug Langdale, based on the 1981 television series of the same name, in turn adapted from Alexandre Dumas' 1844 story of d'Artagnan and The Three Musketeers. The film is produced by Apolo Films (BRB Internacional's cinema studio) and Cosmos Maya.