The BEST Episodes of The Alienist

Every episode ever - ranked by fan votes!

Last Updated: Oct 26, 2021

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.

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#1 - Requiem

Season 1 - Episode 9 - Aired Mar 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.

star 8.03
1,195 votes
Directors: Jamie Payne
Writers: Hossein Amini
Psychopathia Sexualis

#2 - Psychopathia Sexualis

Season 1 - Episode 8 - Aired Mar 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.

star 7.97
1,180 votes
Directors: David Petrarca
Writers: John Sayles
Better Angels

#3 - Better Angels

Season 2 - Episode 8 - Aired Aug 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.

star 7.91
468 votes
Directors: David Caffrey
Writers: Karina Wolf, Stuart Carolan
Last Exit to Brooklyn

#4 - Last Exit to Brooklyn

Season 2 - Episode 7 - Aired Aug 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.

star 7.84
473 votes
Directors: David Caffrey
Writers: Amy Berg, Tom Smuts
Gilded Cage

#5 - Gilded Cage

Season 2 - Episode 4 - Aired Jul 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.

star 7.84
489 votes
Directors: Clare Kilner
Writers: Alyson Feltes

#6 - Ascension

Season 1 - Episode 6 - Aired Feb 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.

star 7.80
1,241 votes
Directors: Paco Cabezas
Writers: E. Max Frye
Belly of the Beast

#7 - Belly of the Beast

Season 2 - Episode 5 - Aired Aug 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.

star 7.80
493 votes
Directors: Clare Kilner
Writers: Gina Gionfriddo, Karina Wolf
Castle in the Sky

#8 - Castle in the Sky

Season 1 - Episode 10 - Aired Mar 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.

star 7.77
1,163 votes
Directors: Jamie Payne
Writers: Cary Joji Fukunaga, Chase Palmer, John Sayles
These Bloody Thoughts

#9 - These Bloody Thoughts

Season 1 - Episode 4 - Aired Feb 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.

star 7.74
1,337 votes
Directors: James Hawes
Writers: Cary Joji Fukunaga, Gina Gionfriddo
Hildebrandt's Starling

#10 - Hildebrandt's Starling

Season 1 - Episode 5 - Aired Feb 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.

star 7.66
1,262 votes
Directors: James Hawes
Writers: E. Max Frye
Memento Mori

#11 - Memento Mori

Season 2 - Episode 6 - Aired Aug 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.

star 7.66
473 votes
Directors: David Caffrey
Writers: Alyson Feltes
Silver Smile

#12 - Silver Smile

Season 1 - Episode 3 - Aired Feb 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.

star 7.63
1,394 votes
Writers: Gina Gionfriddo
Ex Ore Infantium

#13 - Ex Ore Infantium

Season 2 - Episode 1 - Aired Jul 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.

star 7.62
593 votes
Directors: David Caffrey
Writers: Stuart Carolan

#14 - Labyrinth

Season 2 - Episode 3 - Aired Jul 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.

star 7.62
515 votes
Directors: Clare Kilner
Writers: Gina Gionfriddo
Many Sainted Men

#15 - Many Sainted Men

Season 1 - Episode 7 - Aired Mar 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.

star 7.56
1,226 votes
Directors: Paco Cabezas
Writers: John Sayles
A Fruitful Partnership

#16 - A Fruitful Partnership

Season 1 - Episode 2 - Aired Jan 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.

star 7.54
1,543 votes
Writers: E. Max Frye, Hossein Amini
Something Wicked

#17 - Something Wicked

Season 2 - Episode 2 - Aired Jul 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.

star 7.53
518 votes
Directors: David Caffrey
Writers: Stuart Carolan
The Boy on the Bridge

#18 - The Boy on the Bridge

Season 1 - Episode 1 - Aired Jan 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.

star 7.47
2,135 votes
Writers: Hossein Amini