There are several television shows titled "Monster," each distinct in genre and origin:

• Monster (2004–2005 Anime Series) : This Japanese psychological thriller anime adapts Naoki Urasawa's manga. It follows Dr. Kenzo Tenma, a neurosurgeon who saves a boy who later becomes a serial killer. The series explores deep themes of morality and human nature and consists of 74 episodes. It is highly regarded for its faithful adaptation and intricate storytelling

• Monster (American TV Series, 2022–present) : Created by Ryan Murphy and Ian Brennan for Netflix, this is a biographical crime drama anthology focusing on notorious killers. The first season covers Jeffrey Dahmer, the second the Menendez brothers, and the upcoming third season will focus on Ed Gein. The series has been commercially successful and critically recognized, with multiple award nominations

• Monster (2017 Norwegian TV Series) : A Nordic crime drama centered on a missing persons case and a serial killer investigation. The story delves into family and community dynamics in a stark Nordic setting, featuring complex characters and a slow-burning narrative

Each "Monster" show differs significantly in style and story-from anime psychological thriller, to American true crime anthology, to Nordic crime drama. The 2004 anime and the Netflix series are the most prominent and widely known internationally