The Thinking Kid's Thriller
Most supernatural movies for teens rely on jump scares or special effects. Death Note does the opposite. It’s a procedural drama where the weapon just happens to be a magic notebook. The real draw isn't the killing—it's the information war between Light Yagami and L.
Light is a straight-A student who believes he's the only one smart enough to fix a broken world. When he meets L, a detective who is just as brilliant but completely eccentric, the movie turns into a chess match where every move has a body count. It's a great pick for kids who are starting to move past 'superhero' morality and want to engage with stories where the 'hero' might actually be the bad guy.
Why this version?
While the anime is the definitive version for most fans, this 2006 live-action film (and its sequel, The Last Name) does a surprisingly good job of condensing the story. Tatsuya Fujiwara plays Light with a chilling, quiet arrogance that feels very grounded. If your kid has already seen the anime, this is a fun comparison. If they haven't, this is a slightly faster way to experience the story without committing to 37 episodes of television.
Morality and Ethics
This is the ultimate 'car ride home' movie. You can't watch this and not talk about it. It hits on the social contract, the flaws in the legal system, and the psychological toll of keeping a massive secret. It’s a perfect bridge into more adult thrillers like Se7en or The Silence of the Lambs without the extreme gore or sexual violence those films often carry.