Batman: The Killing Joke (2016) is a dark, psychologically intense animated film that brings one of the most iconic Batman graphic novels to life. The story follows Batman as he hunts for the escaped Joker, who launches a vicious attack on Commissioner Gordon and his daughter Barbara (Batgirl) to prove his twisted philosophy about madness. This brutal confrontation forces Batman to confront the thin line between sanity and insanity, culminating in a chilling finale at an abandoned amusement park.

The film's greatest strength lies in its legendary voice cast. Kevin Conroy delivers another masterful performance as Batman, capturing both the character's determination and underlying vulnerability. Mark Hamill returns as the Joker, providing a voice performance that is simultaneously terrifying, charismatic, and unnervingly human. Their dynamic remains the gold standard for superhero voice acting.

While the adaptation expands Batgirl's role in the first act, the core remains faithful to Alan Moore's controversial source material. The animation style effectively translates the graphic novel's gritty aesthetic, with particularly striking use of color during the Joker's origin flashbacks. Director Sam Liu balances action sequences with psychological horror elements, creating an atmosphere of dread that lingers throughout the film's 76-minute runtime.

Viewers should watch Batman: The Killing Joke for its mature exploration of trauma and madness, standout vocal performances, and its significance as a darker chapter in the Batman mythos. Despite its mixed reception regarding certain narrative choices, the film offers a compelling, adult-oriented superhero story that challenges both its characters and audience.