Never Back Down is a 2008 martial arts film starring Sean Faris, Amber Heard, Cam Gigandet, and Djimon Hounsou. Released on March 14, 2008, the film is a loose recollection of The Karate Kid...in which Faris and Heard have the Ralph Macchio and Elisabeth Shue roles (respectively), while Hounsou and Gigandet are in Pat Morita's and (respectively) William Zabka's.
The film is rated PG-13 for "mature thematic material involving intense sequences of fighting/violence, some sexuality, partying, and language – all involving teens". An unrated version called the "Extended Beat Down Edition", featuring nudity and more blood, was released on DVD on July 29, 2008.