Monster is an American biographical crime drama anthology television series created by Ryan Murphy and Ian Brennan for Netflix. The series follows the lives of "monstrous figures", with each season following a different killer or killer. The first season, The Jeffrey Dahmer Story, focuses on serial killer Jeffrey Dahmers. The second season, Monsters: The Lyle and Erik Menendez Story, centers on the murder case of the Menendez brothers. The third season, Monster: The Ed Gein Story, is released on October 3, 2025. A fourth season is currently in production.