Michael O'Hara the Fourth
- År: 1972
- Land: United States of America
- Sjanger: Crime, Comedy, Family, Mystery, TV Movie
- Ettromsleilighet: Walt Disney Productions
- Nøkkelord: amateur detective, kid detectives
- Regissør: Robert Totten, Erven Jourdan
- Cast: Dan Dailey, Jo Ann Harris, Michael McGreevey, Nehemiah Persoff, James Almanzar, Mike Henry