Whether it's true crime or fiction, Netflix is one of the top streamers for the best crime and mystery content. There are offerings from all ends of the crime spectrum. If you're eager for your next true crime fix, check out the wild story of Beauty and the Bester. If you prefer narrative to documentary, then Monsters: The Lyle and Erik Menendez Story might be for you. For September 2025, the Watch With Us team brainstormed a catalogue of the very best crime and mystery series that Netflix has to offer. Read on to see our picks below.