"Reacher" is an American action crime streaming television series developed by Nick Santora for Amazon Prime Video). It is based on the Jack Reacher book series by Lee Child and stars Alan Ritchson as the title character, a self-proclaimed hobo and former military policeman with formidable abilities). The series follows Reacher as he encounters and battles dangerous criminals throughout his travels). The first season of the show is based on the international bestseller, "The Killing Floor" by Lee Child. The show premiered on February 4, 2022, and has received positive reviews from critics and audiences alike.