10 episodes
First episode: E1

Don’t let him inside your head.
A demented serial killer taunts a retired police detective with a series of lurid letters and emails, forcing the ex-cop to undertake a private, and potentially felonious, crusade to bring the killer to justice before he can strike again.
Jump to the first episode to start from the beginning.
Browse season hubs and jump into episodes.
10 episodes
First episode: E110 episodes
First episode: E110 episodes
First episode: E1Quick answers about this series, release status, and episode totals.
Mr. Mercedes first aired on August 9, 2017.
Mr. Mercedes currently has 3 seasons and 30 episodes.
Mr. Mercedes is ended, and no upcoming episode is currently scheduled.