The Alienist Season 1 Episodes
Season 1 Episode Guide
Episode 1 - The Boy on the BridgeIn late 1800s New York, a boy prostitute is found butchered on the Williamsburg Bridge. Dr. Laszlo Kreizler, an alienist, begins an investigation outside the law to find the killer.
|
Episode 1 - The Boy On the BridgeIn late 1800s New York, a boy prostitute is found butchered on the Williamsburg Bridge. Dr. Laszlo Kreizler, an alienist, begins an investigation outside the law to find the killer.
|
Episode 2 - Fruitful PartnershipThe investigation heats up as Sara gets her hands on a clue. Tensions rise with the police department. Kreizler takes the team on a night out. Moore goes snooping at the brothel.
|
Episode 2 - Fruitful PartnershipThe investigation heats up as Sara gets her hands on a clue. Tensions rise with the police department. Kreizler takes the team on a night out. Moore goes snooping at the brothel.
|
Episode 3 - Silver SmileMoore crafts a theory. Sara attempts to live in a world outside the investigation. Ex-chief Byrnes checks in with an old friend. The team makes a gruesome discovery.
|
Episode 3 - Silver SmileMoore crafts a theory. Sara attempts to live in a world outside the investigation. Ex-chief Byrnes checks in with an old friend. The team makes a gruesome discovery.
|
Episode 4 - These Bloody ThoughtsKreizler 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.
|
Episode 4 - These Bloody ThoughtsKreizler 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.
|
Episode 5 - Hildebrandt's StarlingThe team learns more about the killer. Moore and Sara share an intimate moment. Kreizler seeks advice from an old mentor. Roosevelt takes action.
|
Episode 5 - Hildebrandt's StarlingThe team learns more about the killer. Moore and Sara share an intimate moment. Kreizler seeks advice from an old mentor. Roosevelt takes action.
|
Episode 6 - AscensionThe 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.
|
Episode 6 - AscensionThe 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.
|
Episode 7 - Many Sainted MenKreizler and Moore follow a lead. Sara visits a hospital and is forced to confront her past. Byrnes and Connor plot against the team. Detectives Marcus and Lucius Isaacson work on a clue.
|
Episode 7 - Many Sainted MenKreizler and Moore follow a lead. Sara visits a hospital and is forced to confront her past. Byrnes and Connor plot against the team. Detectives Marcus and Lucius Isaacson work on a clue.
|
Episode 8 - Psychopathia SexualisKreizler 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.
|
Episode 8 - Psychopathia SexualisKreizler 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.
|
Episode 9 - RequiemKreizler 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.
|
Episode 9 - RequiemKreizler 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.
|
Episode 10 - Castle in the SkyKreizler 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.
|
Episode 10 - Castle in the SkyKreizler 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.
|
Episode 11 - Ex Ore InfantiumThe trio seeks justice after a woman is executed for her child's disappearance. When a diplomat's baby also goes missing shortly after, they deduce that this is the work of a serial killer.
|
Episode 12 - Something WickedSara and Kreizler suspect dark goings-on at the Lying-In Hospital where NYPD detectives find crucial forensic evidence, while Moore investigates a link to New York's criminal underworld.
|
Episode 13 - LabyrinthSara persuades Libby Hatch, a Lying-In nurse, to give information. Kreizler believes that hypnosis may unlock Senora Linares's traumatic memories. Sara struggles with her feelings for Moore.
|
Episode 14 - Gilded CageSara worries for Bitsy, who is undercover at the Lying-In. Moore and Violet are thrown an engagement ball where Sara and Kreizler confront a suspect in the case. The killer strikes again.
|
Episode 15 - Belly of the BeastThe team is hot on the heels of the murderer after finding the matron dead, but they find that not even Sara's office is out of the killer's reach. Sara enlists Joanna's help with the case.
|
Episode 16 - Memento MoriKreizler's medical license is suspended after a young patient accidentally attempts suicide. Sara and the team discover the killer's hideaway, where they infer there will be a sixth victim.
|
Episode 17 - Last Exit to BrooklynSara, Kreizler, and Moore search for clues in the killer's dark past. Byrnes plans to double-cross the team. Sara and Moore are forced to confront their feelings.
|
Episode 18 - Better AngelsWith New York in an all-out manhunt for the killer, Sara, Moore, and Kreizler must overcome the wrath of the police and the Duster gang as the team race to save innocent lives.
|
More movies and TV shows at the Canadian TV Listings Guide..
In order to keep our service free we display advertising and may earn affiliate fees for purchases you make on external sites that we partner with.
All content is © 2025 On TV Tonight unless pertaining to advertisers, companies, studios, movies and TV series listed on this site.