Rocky, Colt and TumTum must battle an evil wealthy toxic waste dumper in order to save a local Indian tribe and their friend Joe. The 3 Ninjas must help find Joe's father and find a secret disk that contains evidence that could stop the toxic landfill that is destroying the Indian community. However the town is owned by the rich man and he controls the police and even the mayor. They must fight a motorcycle gang and renegade cowboys in this non-stop ninja adventure.
Is 3 Ninjas Knuckle Up on Netflix? Yes! The movie 3 Ninjas Knuckle Up is now on Netflix in the countries listed below.
| Directing | Shin Sang-ok | Director |
| Crew | Dane Farwell | Stunts |
| Crew | James Logan | Special Effects |
| Art | Jerry Conger | Standby Carpenter |
| Production | Gary Oberst | Casting |
| Costume & Make-Up | Laura LaRocca | Makeup Artist |
| Crew | Charles T. Kanganis | Post Production Supervisor |
| Art | Shirley Starks | Set Decoration |
| Costume & Make-Up | Cynthia Hernandez | Additional Hairstylist |
| Art | Don Day | Production Design |
| Directing | Eric Small | First Assistant Director |
| Costume & Make-Up | Virginia Capobianco | On Set Dresser |
| Production | Paul Brinkman | Unit Manager |
| Directing | Thomas B. Park | First Assistant Director |
| Art | David Carlton | Property Master |
| Crew | Paulette Fox | Scenic Artist |
| Crew | Darcy Kaye | Scenic Artist |
| Art | Charles Durden | Swing |
| Costume & Make-Up | Nancy Cassett | Makeup Artist |
| Directing | Carla Bowen | Second Assistant Director |
| Directing | Suzie Pelissier | Second Assistant Director |
| Art | Phil Brandes | Art Direction |
| Directing | Scott Harris | First Assistant Director |
| Directing | Mark Choi | Second Assistant Director |
| Crew | Davor Atles | Carpenter |
| Art | David H. Soloman | Assistant Art Director |
| Crew | Rick Ponce | Carpenter |
| Sound | Joe Barnett | Foley Recordist |
| Crew | Steve Callahan | Special Effects |
| Crew | Barry Rousey | Special Effects |
| Crew | Tom O'Mara | Special Effects |
| Crew | Phil Adams | Stunts |
| Crew | Jerry Mackey | Carpenter |
| Crew | Kevin McCarthy | Special Effects Coordinator |
| Sound | Christopher M. Taylor | Boom Operator |
| Crew | Tony King | Special Effects |
| Art | Grant Garrison | Swing |
| Art | Todd Starks | Leadman |
| Art | Stephen Sturm | Construction Foreman |
| Sound | Joe Barnett | Foley Editor |
| Crew | John Alden | Stunts |
| Sound | Jeffrey R. Whitcher | Sound Re-Recording Mixer |
| Crew | Joe Perez | Special Effects |
| Art | Jill O'Neill | Swing |
| Sound | Craig Roberts | Sound Recordist |
| Art | Julie Ryan | Swing |
| Sound | Bill V. Robbins | Sound Mixer |
| Sound | Joe Barnett | Dialogue Editor |
| Sound | Rob Ellis | Supervising Sound Editor |
| Art | Tim Hannon | Construction Coordinator |
| Sound | Tom Amelotte | Foley Mixer |
| Sound | Andy Napell | Foley Recordist |
| Crew | Sean Holton | Special Effects |
| Sound | William Smith | Dialogue Editor |
| Sound | Ginger Geary | Foley Artist |
| Sound | Suzanne Geary-Angel | Foley Artist |
| Sound | Jeffrey R. Whitcher | Sound Effects Editor |
| Crew | Eric Leisher | Special Effects |
| Crew | Steve Joyner | Special Effects |
| Crew | John Branagan | Stunts |
| Crew | Jeff Harvey | Special Effects |
| Crew | Mickey Cassidy | Stunts |
| Crew | Andy Gill | Stunts |
| Crew | Keii Johnston | Stunts |
| Crew | Simone Boisseree | Stunts |
| Crew | Richard Cetrone | Stunts |
| Crew | Clint Lilley | Stunts |
| Crew | Brad Billington | Martial Arts Choreographer |
| Crew | Al Goto | Stunts |
| Crew | Charlie Kao | Martial Arts Choreographer |
| Crew | Dwayne McGee | Stunts |
| Sound | Jeffrey R. Whitcher | Sound Designer |
| Crew | Bobby Burns | Stunts |
| Crew | Phil Culotta | Stunts |
| Crew | Ben Ryan Ganger | Stunts |
| Crew | Michael Cassidy | Stunts |
| Crew | Richard Epper | Stunts |
| Crew | Bill Erickson | Stunts |
| Crew | Jack Gill | Stunts |
| Crew | Fritz Lieber | Stunts |
| Crew | Rick Avery | Stunts |
| Crew | Keith Campbell | Stunts |
| Crew | Brett A. Jones | Stunt Coordinator |
| Crew | Gary Littlejohn | Stunts |
| Crew | Buck McDancer | Stunts |
| Crew | Christine Onesky | Special Effects |
| Crew | Randy Lamb | Stunts |
| Sound | Lev L. Spiro | Boom Operator |
| Crew | Sandra McCarthy | Special Effects Coordinator |
| Crew | Doc D. Charbonneau | Stunts |
| Crew | Al Jones | Stunt Coordinator |
| Crew | Daniel Cruder | Special Effects |
| Crew | Brian Avery | Stunts |
| Crew | Dan Bradley | Stunts |
| Crew | Maria Doest | Stunts |
| Crew | Ray Lykins | Stunts |
| Crew | Jeff Bornstein | Stunts |
| Crew | Kurt Bryant | Stunts |
| Crew | David Cadiente | Stunts |
| Crew | Eugene Collier | Stunts |
| Crew | Monty Cox | Stunts |
| Crew | Jim Holley | Stunts |
| Crew | Gene LeBell | Stunts |
| Crew | Sandy Berumen | Stunts |
| Crew | Tod Keller | Stunts |
| Crew | Larry Nicholas | Stunts |
| Crew | Tim Sampson | Stunts |
| Crew | Brian Smrz | Stunts |
| Crew | Bruce Comtois | Stunt Driver |
| Crew | Jan Michael Shultz | Stunts |
| Crew | Brad Billington | Stunts |
| Crew | Lynn Salvatori | Stunts |
| Crew | Erik Stabenau | Stunts |
| Crew | Larry Nicholas | Stunt Double |
| Crew | Michiko Moorehead | Stunts |
| Crew | Mario Roberts | Stunts |
| Crew | Thomas Rosales Jr. | Stunts |
| Crew | Joyce McNeal | Stunts |
| Crew | Rhonda Leigh Miller | Stunts |
| Crew | Denney Pierce | Stunts |
| Crew | Tierre Turner | Stunts |
| Crew | Brad Orrison | Stunts |
| Crew | Pat Romano | Stunts |
| Crew | Merritt Yohnka | Stunts |
| Crew | Ben Ryan Ganger | Stunt Double |
| Crew | Al Jones | Stunts |
| Crew | Brett A. Jones | Stunts |
| Crew | Denney Pierce | Stunt Double |
| Camera | Chuck Baker | Additional Camera |
| Crew | Birgit K. Schier | Stunts |
| Crew | Mickey Cassidy | Stunt Double |
| Camera | Louie Escobar | Best Boy Grip |
| Lighting | Kathy Grieb | Electrician |
| Crew | Michael Ragsdale | Stunts |
| Crew | Rex Pierson | Stunts |
| Crew | Lee Poppie | Stunts |
| Crew | Mark Orrison | Stunts |
| Crew | Don Pulford | Stunts |
| Crew | Lori Lynn Ross | Stunts |
| Crew | Al Goto | Stunt Double |
| Crew | Jimmy Ortega | Stunts |
| Crew | Chuck Picerni Jr. | Stunts |
| Crew | Spiro Razatos | Stunts |
| Crew | Steve Vandeman | Stunts |
| Crew | William Washington | Stunts |
| Crew | Bill McIntosh | Stunts |
| Camera | Larry Glover | Grip |
| Costume & Make-Up | Riki Lin Sabusawa | Costumer |
| Camera | Barbu Marian | First Assistant Camera |
| Editing | Kirsten Chalker | Assistant Editor |
| Camera | Michael Gulbin | Grip |
| Camera | Alex Klabukov | Grip |
| Camera | Picha Srisansanee | Second Assistant Camera |
| Lighting | Doug Weinmann | Electrician |
| Production | Anna Camille Miller | Extras Casting |
| Costume & Make-Up | Nicola Galye | Costumer |
| Lighting | Dean Hayasaka | Gaffer |
| Costume & Make-Up | Thomas G. Marquez | Assistant Costume Designer |
| Production | Mac Gordon | Location Manager |
| Sound | Louis Febre | Original Music Composer |
| Lighting | Kerrec 'K-Man' Williams | Best Boy Electric |
| Camera | Paul Taylor | Steadicam Operator |
| Costume & Make-Up | Maili Lafayette | Costumer |
| Camera | Peter Pilafian | Underwater Camera |
| Lighting | Edwin Schiernecker | Electrician |
| Lighting | Chris Martinez | Electrician |
| Camera | Mitch Gulbin | Dolly Grip |
| Camera | David Winner | Grip |
| Lighting | Chris Milani | Electrician |
| Camera | Yoshiharu Nushida | Still Photographer |
| Lighting | Steven J. Kovalesky | Electrician |
| Production | Shirley Weddle | Extras Casting Assistant |
| Costume & Make-Up | Julia Bartholomew | Costumer |
| Crew | Kenny Bosse | Transportation Captain |
| Crew | Ernie Edgerton | Driver |
| Crew | Peter Popp | Craft Service |
| Production | Vicki Ellis | Production Accountant |
| Crew | Billy Colbert | Transportation Coordinator |
| Crew | Buddy Banner | Driver |
| Production | Felecia Hatcher Brown | Production Assistant |
| Crew | Cindera Che | Choreographer |
| Production | James Kang | Producer |
| Sound | Gary S. Scott | Original Music Composer |
| Costume & Make-Up | Scilla Andreen | Costume Design |
| Production | Martha W. Chang | Producer |
| Crew | Eugene D. Shlugleit | Cinematography |
| Production | Shin Sang-ok | Executive Producer |
| Editing | Pamela Choules | Editor |
| Writing | Alex S. Kim | Writer |
