TV series
Madness lies within.
New York, 1896. Police commissioner Theodore Roosevelt brings together criminal psychologist Dr. Laszlo Kreizler, newspaper illustrator John Moore and secretary Sara Howard to investigate several murders of male prostitutes.
Streaming, rental and purchase options
Checked Sep 1, 2026
The Alienist is available to stream on DirecTV On Demand and YouTube TV in United States. You can also rent or buy it from Google Play, Amazon, Apple TV, and Fandango at Home. Use the direct links below to open the provider.
New York, 1896. Police commissioner Theodore Roosevelt brings together criminal psychologist Dr. Laszlo Kreizler, newspaper illustrator John Moore and secretary Sara Howard to investigate several murders of male prostitutes.
Choose an episode, then use the watch options above for the show.
Episode 1
A young boy prostitute is butchered on the Williamsburg Bridge, alienist Laszlo Kreizler, newspaper illustrator John Moore, secretary Sara Howard & police commissioner Theodore Roosevelt investigate outside the law to find a serial killer.
Directed by Jakob VerbruggenWritten by Hossein AminiGuest stars Ted Levine, Lewin Lloyd, Jacob James Beswick, Clare Calbraith, Jack Kesy, Emanuela Postacchini, Joe Bone, John Connors
Episode 2
Sara finds a clue and Kreizler tries to connect the evidence left behind by the serial killer. Kreizler takes Moore, Sara, Marcus and Lucius to Delmonico's in New York and informs them they're working together to catch the killer.
Directed by Jakob VerbruggenWritten by E. Max Frye, Hossein AminiGuest stars Michael Ironside, Falk Hentschel, Virág Bárány, Anson Boon, Dan Bradford, Richard Bremmer, Gabriele Caprio, Marcus D'Amico
Episode 3
Innovative evidence leads the team to discover a crucial element in the case is missing. Kreizler and Moore interview a witness to find out what happened to Moore at the Brothel. Sara attempts to live in a world outside the investigation. Kreizler challenges them to look within themselves.
Directed by Jakob VerbruggenWritten by Gina GionfriddoGuest stars Ted Levine, Sara Vickers, Sean Young, Tracy Sallows, Matthew Van Oss, Samuel Brown, Gavin Drea, Jamie Kaye
Episode 4
Kreizler and Sara discuss the capacity to kill. Moore goes on a date. Byrnes and Captain Connor keep an eye on a potential suspect. Roosevelt finds himself under public scrutiny.
Directed by James HawesWritten by Cary Joji Fukunaga, Gina GionfriddoGuest stars Ted Levine, Sean Young, Eugenia Caruso, Kate Dickie, Fernanda Dorogi, Amanda Hadingue, Katherine Kingsley, Ash Matthews
Episode 5
The team learns more about the killer. Moore and Sara share an intimate moment. Kreizler seeks advice from an old mentor. Roosevelt takes action.
Directed by James HawesWritten by E. Max FryeGuest stars Sean Young, Peter McRobbie, Stephen Louis Grush, Bálint Adorjáni, William Gaminara, Laurel Lefkow, Ania Marson, Lewis McGowan
Episode 6
The team hatches a plan to catch the killer. Moore checks in on a friend. Kreizler faces his own self-doubt about the investigation. Roosevelt attends an event with the city’s elite. Sara looks into Kreizler’s past. Connor acts on impulse.
Directed by Paco CabezasWritten by E. Max FryeGuest stars Lewin Lloyd, Sean Young, Michael Ironside, Philip Broadbent, Steven Pacey, Francis McBurney, Max Fincham, Hans Peterson
Episode 7
Kreizler and Moore follow a lead. Sara visits a hospital and is forced to confront her past. Cyrus, Kreizler’s carriage driver, recovers from his injuries. Byrnes and Connor plot against the team.
Directed by Paco CabezasWritten by John SaylesGuest stars Ted Levine, Michael Ironside, Jefferson White, Antonio Magro, Nicholas Asbury, Ed Birch, Gados Béla, Oliver Cater
Episode 8
Kreizler and Moore travel to Washington D.C., Sara goes rogue in pursuit of the truth. Lucius tells Marcus a secret. Byrnes and Connor tighten their grip on the investigation.
Directed by David PetrarcaWritten by John SaylesGuest stars Ted Levine, Roderick Hill, Michael Ironside, Cassi Thomson, David Meunier, Sean Bridgers, Eric Johnson, Owen Good
Episode 9
Kreizler mourns the loss of a friend. Sara pushes the team to forge ahead. Moore warns his friend the killer will strike again. Cyrus seeks revenge.
Directed by Jamie PayneWritten by Hossein AminiGuest stars Ted Levine, Ágnes Bánfalvy, David Langham, Ben Manning, Ronan Vibert, Flip Webster, Bill Heck, Jackson Gann
Episode 10
Kreizler confronts the demons of his past. Moore tells Sara the truth. Connor takes matters into his own hands. The team closes in on the killer as time is running out.
Directed by Jamie PayneWritten by Cary Joji Fukunaga, Chase Palmer, John SaylesGuest stars Ted Levine, Grace Zabriskie, Bill Heck, Simone Alberghini, Daisy Bevan, Lily-Rose Aslandogdu, Katie Brayben, Jackson Gann
Episode information updated Sep 19, 2026
Daniel BrühlLaszlo Kreizler
Luke EvansJohn Moore
Dakota FanningSara Howard
Matthew ShearLucius Isaacson
Brian GeraghtyTheodore Roosevelt
Douglas SmithMarcus Isaacson
Robert WisdomCyrus Montrose
Rosy McEwenLibby Hatch
TNTUnited States
Anonymous ContentUnited States
Paramount Television StudiosUnited States
