Fight Club - Ending Explained

The central twist of "Fight Club" is the revelation that the Narrator and Tyler Durden are two personalities inhabiting the same body; Tyler is a creation of the Narrator's insomniac mind. This re-contextualizes the entire film. Every scene where Tyler interacts with another character is actually the Narrator interacting with them. When the Narrator fights Tyler, he is fighting himself. Tyler's sexual relationship with Marla is, in fact, the Narrator's. The film is filled with clues to this twist: Tyler's subliminal flashes before he's introduced, moments where other characters react strangely to the Narrator when he thinks he's with Tyler, and a scene where the Narrator gets off a bus he just saw Tyler board.

The creation of Tyler is the Narrator's desperate attempt to break free from his own perceived weakness and the constraints of his consumerist life. Tyler embodies the id—the primal, impulsive part of the psyche. The final act sees the Narrator realizing he has lost control of his alter ego, as Project Mayhem plans to blow up buildings housing credit card records. The climax occurs in one of these buildings, where the Narrator fights Tyler for control of their body and mind. Recognizing that he and Tyler share the same body, the Narrator realizes he has the gun, not Tyler. To rid himself of his destructive alter ego, he shoots himself through the cheek. This act of willpower, not the bullet itself, kills Tyler. In the final scene, the Narrator, now seemingly in control, holds hands with Marla as they watch the buildings explode, an ambiguous ending that suggests a new, uncertain beginning free from both consumer debt and the tyranny of his alter ego.

While the primary interpretation focuses on a critique of consumerism and a crisis of masculinity, several alternative readings of "Fight Club" exist.

• A Homoerotic Love Story: Some critics and viewers interpret the relationship between the Narrator and Tyler as having strong homoerotic undertones. The intense physical and psychological intimacy, the domesticity of their life together, and lines like Tyler's "I'm wondering if another woman is really the answer we need" are cited as evidence. In this reading, the film is about a man's struggle with his own repressed sexuality, with Tyler representing a queer desire that the Narrator's conscious mind cannot accept.
• A Critique of Feminism: Another interpretation, often from a critical perspective, sees the film as a backlash against feminism. In this view, the men in Fight Club are rebelling against a perceived societal "feminization" that has left them feeling powerless and obsolete. Marla Singer's character is sometimes seen as a disruptive force that threatens the homosocial male utopia of the club.
• Marla as another Alter Ego: A less common but intriguing theory suggests that Marla, like Tyler, is another personality of the Narrator. Proponents point out that she has very little interaction with other characters and that her self-destructive, cynical nature represents another facet of the Narrator's psyche—perhaps his repressed feminine side or his death drive—that he is also struggling to integrate.
• A Fascist Allegory: Some analyses view the film as an examination of the psychological appeal of fascism. Project Mayhem, with its charismatic leader, mindless followers in uniform, anti-intellectualism, and use of violence to achieve political ends, mirrors the rise of fascist movements. This interpretation sees the film not as an endorsement but as a warning about how easily disaffected individuals can be seduced by extremist ideologies that promise purpose and belonging.