Plot — 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.
Top Cast & Creator
Streaming Availability
You can currently stream Diabolical on:
Quick Facts
| Type | Web Series |
| First Aired | 2018 |
| Genre | Crime, Documentary |
| Language | English |
| Seasons | 3 (30 episodes) |
| Audience Score | 80% (8.0/10, 2 votes) |
Diabolical — FAQ
Is Diabolical worth watching? Diabolical holds a 8.0/10 rating from 2 viewers. 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
Who is behind Diabolical? Created by Andrea de Brito.
Who is in the cast of Diabolical? It stars Ross Huguet.
Where can I stream Diabolical? You can stream Diabolical on HBO Max Amazon Channel, Philo, Discovery+ Amazon Channel, YouTube TV, Investigation Discovery, HBO Max, Discovery +. Availability may vary by region.
When did Diabolical release? It first aired in 2018.
