The BEST Episodes of The Alienist

Every episode ever - ranked by fan votes!

Last Updated: Sep 24, 2019

Network: TNT (US)

Crime reporter, John Moore meets with psychologist, Dr. Laszlo Kreizler to investigate a serial killer in New York during the late 19th century.


#1 - Requiem

Season 1 - 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.

star 8.04
855 votes
Directors: Jamie Payne
Writers: Hossein Amini
Psychopathia Sexualis

#2 - Psychopathia Sexualis

Season 1 - 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.

star 7.96
873 votes
Directors: Sharat Raju
Writers: Jeff Melvoin

#3 - Ascension

Season 1 - 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.

star 7.82
905 votes
Directors: Paco Cabezas
Writers: E. Max Frye
Castle in the Sky

#4 - Castle in the Sky

Season 1 - 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.

star 7.81
817 votes
Directors: Jamie Payne
Writers: Cary Joji Fukunaga, John Sayles, Chase Palmer
These Bloody Thoughts

#5 - These Bloody Thoughts

Season 1 - 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.

star 7.78
983 votes
Directors: James Hawes
Writers: Gina Gionfriddo, Cary Joji Fukunaga
Hildebrandt's Starling

#6 - Hildebrandt's Starling

Season 1 - 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.

star 7.71
920 votes
Directors: James Hawes
Writers: E. Max Frye
Silver Smile

#7 - Silver Smile

Season 1 - Episode 3

Innovative evidence leads the team to discover a crucial element in the case has gone 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.

star 7.67
1,070 votes
Writers: Gina Gionfriddo
Many Sainted Men

#8 - Many Sainted Men

Season 1 - 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.

star 7.63
890 votes
Directors: Paco Cabezas
Writers: John Sayles
A Fruitful Partnership

#9 - A Fruitful Partnership

Season 1 - 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.

star 7.60
1,164 votes
Writers: Hossein Amini, E. Max Frye
The Boy on the Bridge

#10 - The Boy on the Bridge

Season 1 - Episode 1

New York City. 1896. The heart of America’s Gilded Age. When a young boy prostitute is found butchered on the unfinished Williamsburg Bridge, an alienist named Laszlo Kreizler, a newspaper illustrator by the name of John Moore, a secretary, Sara Howard and a police commissioner named Theodore Roosevelt begin an investigation outside the law to find the serial killer.

star 7.46
1,662 votes
Writers: Hossein Amini