Each year, three brothers Samuel, Jeffrey and Michael Douglas visits their Japanese grandfather, Mori Shintaro whom the boys affectionately refer to as Grandpa, for the summer. Mori is a highly skilled in the fields of Martial arts and Ninjutsu, and for years he has trained the boys in his techniques. After an organized crime ring proves to be too much for the FBI, it's time for the 3 brother NINJAS! To use their martial arts skills, they team up to battle the crime ring and outwit some very persistent kidnappers!
Unfortunately the movie 3 Ninjas is not yet available on HBO Max.
| Writing | Kenny Kim | Story |
| Directing | Jon Turteltaub | Director |
| Writing | Edward Emanuel | Screenplay |
| Crew | Dane Farwell | Stunts |
| Crew | Al Goto | Stunts |
| Crew | Pat Romano | Stunts |
| Production | James Kang | Co-Executive Producer |
| Production | Akio Shimizu | Co-Producer |
| Sound | Richard Marvin | Original Music Composer |
| Production | Martha W. Chang | Producer |
| Production | Hiroshi Kusu | Co-Producer |
| Production | Shunji Hirano | Executive Producer |
| Production | Susan Stremple | Producer |
| Production | Richard Park Wu-sang | Associate Producer |
| Crew | Richard Michalak | Cinematography |
| Production | Yuriko Matsubara | Producer |
| Editing | David Rennie | Editor |
| Costume & Make-Up | Mona May | Costume Design |
| Sound | Wayne Nakatsu | Supervising Sound Editor |
| Crew | Rick Avery | Stunt Coordinator |
| Crew | Erik Stabenau | Stunts |
