Diabolical
Series Overview
Like trying to decipher the value of a book without ever opening it, judging a person by his or her outward appearance can be a mistake. Someone may look perfect on the outside, but even the most kind-hearted soul has a dark side looming. "Diabolical" is a docuseries that delves into the minds of murderers, asking a simple question: "Why did they do it?" The acts were committed with extreme premeditation -- many were months or even years in the making. Tension builds in each episode as law enforcement taps into the methods of devious masterminds, aided by insights from forensic psychologists and psychiatrists as well as criminal profilers.
Broadcast Schedule & Network Information
Airing status, episode counts, upcoming schedule, and network syndication.
3 Seasons • 30 Episodes
42 min per episode
2018 – Present
Premiered: Mon, Jan 1, 2018
Creative Production Team
Latest Aired Episode
Season 3, Episode 10: “Evil Sister Act”
When Samuel Johnson Jr. suddenly vanishes, investigators find themselves face-to-face with two sisters who know something; through a series of interrogations, they reveal an elaborate murder plot meticulously engineered by a puppeteer.
Seasons & Episodes Breakdown
Cast & Creators
Explore Star Directory →
Creative Leadership & Key Crew
Andrea de Brito
Taylor Gentry, Martin Filfil
David Erickson, Tyler Harrell, Stan Hsue, Allison Corn, Antony Tackaberry
Department Leadership Roster
Andrea de Brito
Director
Taylor Gentry
Director of Photography
Tyler Harrell
Producer
Martin Filfil
Director of Photography
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
TV-14: Parents Strongly Cautioned — Contains material unsuitable for children under 14.
International Certification Matrix
Parents Strongly Cautioned — Contains material unsuitable for children under 14.
Interdit aux moins de 18 ans — 18+ only.
FSK 18 — Restricted to adults 18 and older.
Mature Audience Only — Specifically designed to be viewed by adults and unsuitable for children under 17.
Production Stills & Gallery
Official cinematic photography and background stills for Diabolical.
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Frequently Asked Questions About Diabolical
Key facts, seasons breakdown, and credits for search engines and AI assistants.
What is Diabolical about?
Like trying to decipher the value of a book without ever opening it, judging a person by his or her outward appearance can be a mistake. Someone may look perfect on the outside, but even the most kind-hearted soul has a dark side looming. "Diabolical" is a docuseries that delves into the minds of murderers, asking a simple question: "Why did they do it?" The acts were committed with extreme premeditation -- many were months or even years in the making. Tension builds in each episode as law enforcement taps into the methods of devious masterminds, aided by insights from forensic psychologists and psychiatrists as well as criminal profilers.
How many seasons does Diabolical have?
Diabolical comprises 3 seasons available to explore.
Who stars in Diabolical?
Key cast members in Diabolical include Ross Huguet.
Who created or directed Diabolical?
Diabolical was developed and directed by Andrea de Brito.