Batman: The Killing Joke (2016) is a gripping animated adaptation of Alan Moore's iconic graphic novel, delving into the dark psychological battle between Batman and the Joker. The film follows Batman as he hunts for the escaped Clown Prince of Crime, who launches a brutal attack on Commissioner Gordon and his daughter Barbara (Batgirl) to prove a twisted point about madness and despair. This act forces Batman to confront the thin line between sanity and chaos, mirroring the Joker's own tragic origin story.

Directed by Sam Liu, the film features standout voice performances from Kevin Conroy as Batman and Mark Hamill as the Joker, reprising their legendary roles with chilling intensity. The animation captures the gritty, noir-inspired aesthetic of the source material, enhancing the film's tense and atmospheric tone. While the plot expands on Batgirl's role, it stays true to the core themes of trauma and moral ambiguity that made the comic a classic.

Viewers should watch Batman: The Killing Joke for its mature storytelling and psychological depth, offering a rare exploration of villainy in superhero cinema. It's a must-see for fans of dark, character-driven narratives and the Batman mythos, available to stream online for an immersive experience.