The Jason Bourne films are a series of action-thriller movies centered around a character named Jason Bourne, a former CIA assassin suffering from amnesia. The franchise began with the film The Bourne Identity in 2002, based on the novel by Robert Ludlum. The series explores themes of identity, government conspiracy, and personal redemption as Bourne seeks to uncover his past while being pursued by various intelligence agencies. The films are known for their intense action sequences, realistic fight choreography, and a gritty visual style. Key entries include The Bourne Supremacy (2004) and The Bourne Ultimatum (2007), both directed by Paul Greengrass. The franchise has received critical acclaim and has significantly influenced the action genre, leading to a resurgence of spy thrillers in cinema.