The BEST episodes of The Alienist

Every episode of The Alienist ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of The Alienist!

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

Last Updated: 2/18/2024Network: TNT (US)Status: Ended
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Requiem
star
7.99
1191 votes

#1 - Requiem

Season 1 - Episode 9 - Aired 3/19/2018

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.

Directors: Jamie Payne
Watch Now:AmazonApple TV
Psychopathia Sexualis
star
7.95
1171 votes

#2 - Psychopathia Sexualis

Season 1 - Episode 8 - Aired 3/12/2018

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.

Directors: David Petrarca
Writer: John Sayles
Watch Now:AmazonApple TV
Better Angels
star
7.89
531 votes

#3 - Better Angels

Season 2 - Episode 8 - Aired 8/9/2020

While Sara, Moore and Kreizler struggle with decisions about their future paths, New York is in the grips of an all-out manhunt for the killer, and the team must overcome the wrath of the police and an underworld gang on the rampage.

Directors: David Caffrey
Watch Now:AmazonApple TV
Gilded Cage
star
7.83
551 votes

#4 - Gilded Cage

Season 2 - Episode 4 - Aired 7/26/2020

The clock is ticking for the team to locate baby Ana. Sara worries about her young undercover detective Bitsy Sussman. William Randolph Hearst hosts a lavish ball celebrating his goddaughter Violet's engagement to Moore.

Directors: Clare Kilner
Watch Now:AmazonApple TV
Last Exit to Brooklyn
star
7.81
538 votes

#5 - Last Exit to Brooklyn

Season 2 - Episode 7 - Aired 8/9/2020

Sara, Kreizler and Moore travel to Brooklyn in search of clues. Byrnes plans to double-cross the team as the killer's behavior becomes unhinged. Sara and Moore's feelings for each other force them to confront difficult choices.

Directors: David Caffrey
Watch Now:AmazonApple TV
Ascension
star
7.76
1222 votes

#6 - Ascension

Season 1 - Episode 6 - Aired 2/26/2018

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.

Directors: Paco Cabezas
Writer: E. Max Frye
Watch Now:AmazonApple TV
Belly of the Beast
star
7.76
553 votes

#7 - Belly of the Beast

Season 2 - Episode 5 - Aired 8/2/2020

After the horrific murder of a Lying-In Hospital employee, the team are now hot on the heels of the murderer. Sara enlists the help of Joanna to tail their prime suspect. Sara, Kreizler and Moore try and put the pieces together.

Directors: Clare Kilner
Watch Now:AmazonApple TV
Castle in the Sky
star
7.74
1169 votes

#8 - Castle in the Sky

Season 1 - Episode 10 - Aired 3/26/2018

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.

Directors: Jamie Payne
Watch Now:AmazonApple TV
These Bloody Thoughts
star
7.70
1314 votes

#9 - These Bloody Thoughts

Season 1 - Episode 4 - Aired 2/12/2018

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.

Directors: James Hawes
Watch Now:AmazonApple TV
Memento Mori
star
7.66
531 votes

#10 - Memento Mori

Season 2 - Episode 6 - Aired 8/2/2020

Sara and Moore return to the killer's abandoned house in search of new information about their suspect. Kreizler faces ruin after a tragic incident at the Institute. Sara and the team are enlisted to rescue another missing child.

Directors: David Caffrey
Watch Now:AmazonApple TV
Hildebrandt's Starling
star
7.62
1239 votes

#11 - Hildebrandt's Starling

Season 1 - Episode 5 - Aired 2/19/2018

The team learns more about the killer. Moore and Sara share an intimate moment. Kreizler seeks advice from an old mentor. Roosevelt takes action.

Directors: James Hawes
Writer: E. Max Frye
Watch Now:AmazonApple TV
Ex Ore Infantium
star
7.59
658 votes

#12 - Ex Ore Infantium

Season 2 - Episode 1 - Aired 7/19/2020

New York City. 1897. Sara Howard has opened a pioneering private detective agency. She reunites with formidable alienist Dr. Laszlo Kreizler and New York Times journalist John Moore to find the kidnapped infant daughter of a Spanish dignitary.

Directors: David Caffrey
Watch Now:AmazonApple TV
Silver Smile
star
7.59
1350 votes

#13 - Silver Smile

Season 1 - Episode 3 - Aired 2/5/2018

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.

Directors: Jakob Verbruggen
Watch Now:AmazonApple TV
Labyrinth
star
7.58
572 votes

#14 - Labyrinth

Season 2 - Episode 3 - Aired 7/26/2020

All is not what it seems at the Lying-In Hospital as Sara persuades a young nurse to disclose what happens behind closed doors. Kreizler is convinced that hypnosis might unlock the traumatic memories of Senora Linares.

Directors: Clare Kilner
Watch Now:AmazonApple TV
Many Sainted Men
star
7.52
1211 votes

#15 - Many Sainted Men

Season 1 - Episode 7 - Aired 3/5/2018

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.

Directors: Paco Cabezas
Writer: John Sayles
Watch Now:AmazonApple TV
Something Wicked
star
7.51
579 votes

#16 - Something Wicked

Season 2 - Episode 2 - Aired 7/19/2020

Sara uncovers a clue at the Siegel Cooper Department Store that leads her into dangerous territory. Moore struggles to balance his personal and professional life as he investigates a link to New York's criminal underworld.

Directors: David Caffrey
Watch Now:AmazonApple TV
A Fruitful Partnership
star
7.50
1497 votes

#17 - A Fruitful Partnership

Season 1 - Episode 2 - Aired 1/29/2018

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.

Directors: Jakob Verbruggen
Watch Now:AmazonApple TV
The Boy on the Bridge
star
7.44
2053 votes

#18 - The Boy on the Bridge

Season 1 - Episode 1 - Aired 1/22/2018

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.

Directors: Jakob Verbruggen
Watch Now:AmazonApple TV