Batman: Killing Joke (2016) Ending Explained

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By Max Framewell
June 09, 2025

TL;DR:
The ending of Batman: The Killing Joke is a dark and ambiguous conclusion to the brutal psychological battle between Batman and the Joker. After the Joker tortures Commissioner Gordon and cripples Barbara Gordon (Batgirl), Batman confronts him in a carnival funhouse. The Joker delivers his infamous "one bad day" monologue, arguing that anyone can be driven insane by trauma. Batman, after nearly killing the Joker, instead extends a hand of redemption, suggesting they can help each other. The film cuts to an uncertain moment where Batman and the Joker share a laugh before the screen fades to black, leaving their fates open to interpretation. The ending raises questions about the nature of sanity, evil, and whether the Joker's philosophy holds any truth.

Detailed Explanation of the Ending

The climax of Batman: The Killing Joke is a culmination of the Joker's sadistic experiment to prove that even the most morally upright person-like Commissioner Gordon-can be broken by "one bad day." After shooting Barbara Gordon (paralyzing her) and subjecting her father to psychological torture through humiliating photographs, the Joker awaits Batman in a carnival funhouse. The final confrontation is less a physical battle and more a philosophical duel. Batman, usually the epitome of control, nearly strangles the Joker in rage, showing how close he is to crossing his own moral line. However, at the last moment, he stops himself, choosing compassion over vengeance.

Batman then offers to rehabilitate the Joker, suggesting that they could end their cycle of violence by helping each other. This moment is pivotal because it contradicts the Joker's entire worldview-that trauma irreparably corrupts people. The Joker responds with a joke (a callback to his possible backstory as a failed comedian), and Batman laughs with him, either out of genuine amusement or a grim acknowledgment of their twisted relationship. The screen then fades to black, followed by police sirens, leaving it unclear whether Batman killed the Joker, arrested him, or if the laughter was their last shared moment before another inevitable confrontation.

Unresolved Questions & Possible Answers

  1. Did Batman kill the Joker in the end?
    • No: The laughter suggests Batman upheld his no-kill rule, and the sirens imply the Joker was arrested.
    • Yes: The abrupt cut to black could imply Batman finally snapped, mirroring the Joker's belief that anyone can break.
  2. Was the Joker's backstory real or just another lie?
    • Real: His tragic past as a failed comedian adds depth to his madness.
    • Fabricated: The Joker himself says he prefers his past to be "multiple choice," casting doubt on its authenticity.
  3. What does the shared laughter mean?
    • Connection: Batman understands the absurdity of their never-ending battle.
    • Despair: Their laughter is hollow, signifying that nothing will ever change between them.

Personal Opinion on the Ending & Film

The ending of The Killing Joke is one of the most debated in Batman lore because of its deliberate ambiguity. While some viewers find the laughter scene profound-highlighting the tragic bond between Batman and the Joker-others feel it undermines Batman's morality by suggesting he's not so different from his nemesis. The film itself is a mixed bag: the animation and voice acting (Mark Hamill's Joker, in particular) are stellar, but the controversial handling of Barbara Gordon's character (reducing her to a plot device) rightfully drew criticism. Despite its flaws, the ending lingers because it refuses to provide easy answers, forcing audiences to grapple with the same questions Batman does.

Final Thoughts

Batman: The Killing Joke remains a polarizing adaptation of Alan Moore's iconic graphic novel. Its ending is a masterclass in psychological storytelling, leaving just enough unsaid to fuel endless debate. Whether you see it as a tragic climax to Batman and the Joker's relationship or a flawed narrative that mishandles its female lead, the film's final moments ensure it won't be forgotten. The laughter in the dark isn't just a punchline-it's a Rorschach test for the audience, revealing how we view justice, madness, and the thin line between hero and villain.