- Country: USA
- Genres: Action, Comedy, Family
- Release: 1995-04-07
- Director: Sang-ok Shin
- Writers: Alex S. Kim
- Language: English
- Stars: Victor Wong , Charles Napier , Michael Treanor , Max Elliott Slade , Chad Power , Crystle Lightning , Patrick Kilpatrick , Don Shanks , Sheldon Peters Wolfchild , Nick Ramus
- Runtime: 85 min
- Awards: 2 nominations
- AKA: 3 Ninjas Fight & Fury (Germany) , Юмрукът на трите нинджи (Bulgaria) , 3 Ninjas groß in Fahrt (Germany) , 3 Ninjas: Knuckle Up , 3 Ninjas em Apuros (Brazil) , 3 ninjas 2: La nueva gran aventura (Argentina) , 3 ninjas på krigsstigen (Sweden) , Three Ninjas: Knuckle Up (United States of America) , 3 ninjas se révoltent (Canada) , Три ніндзя: Кісточки вгору (Ukraine) , 3 Ninjaa Sotapolulla (Finland) , Tre piccole pesti (Italy) , 3 Ninjas: Knuckle Up (United States of America) , 3 gennaioi mahites (Greece) , A 3 nindzsa nem hagyja magát (Hungary) , クロオビキッズ/夏休み決戦! (Japan) , 3 Ninjas: Knuckle Up (South Africa) , Treis gennaioi mahites (Greece) , 3 Ninjas: Knuckle Up (Canada) , Małolaty ninja na wojennej ścieżce (Poland) , Nindža klinci 3: Nasilnici (Serbia) , Tres ninjas peleones (Spain) , 3 Ninjas: Knuckle Up (United Kingdom) , Три ниндзя: Костяшки вверх (Russian Federation) , 3 Ninjas Lutadores (Portugal, Portuguese Republic)
- Plot: In this movie Rocky, Colt and TumTum must battle an evil wealthy toxic waste dumper in order to save a local Indian tribe and their friend Jo. The 3 Ninjas must help find Jo'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.
- IMDB:tt0112255
3 Ninjas: Knuckle Up Cast · · · ALL
Sang-ok Shin
Director
Victor Wong
Grandpa
Charles Napier
Jack
Michael Treanor
Rocky
Max Elliott Slade
Colt
Chad Power
Tum Tum
Crystle Lightning
Jo
Patrick Kilpatrick
J.J.
Don Shanks
Charlie
Sheldon Peters Wolfchild
Lee
Nick Ramus
Chief Roundcreek
Donal Logue
Jimmy
Vincent Schiavelli
The Mayor
Selina Jayne
Jo's Mother
Kait Lyn Mathews
Theresa
Don Stark
(I)
Sheriff
Dennis Holahan
EPA Man
Cathy Perry
Reporter
Janie Melissa Gunderson
Kid #2
Danuel Pipoly
Kid #3
Amanda Nicole Power
Kid #4
Erin Treanor
Pizza Parlor Girl
Gary Epper
Biker #1
Eric Mansker
Biker #2
Ted Pitsis
Town Man
Stuart Proud Eagle Grant
Indian #1