The BEST episodes of Mary Kills People

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

Set in the morally grey world of assisted suicide, "Mary Kills People" is an intense, controversial, and thought-provoking drama. The series follows Dr. Mary Harris, a single mother and emergency doctor by day, who also moonlights as an underground angel of death — helping terminally ill patients who want to die and slip away on their own terms. So far Mary has managed to stay under the radar; but business is booming, and her double life is getting complicated. When her world starts to unravel, Mary realizes she’s going to have to fight dirty if she’s going to stay in the killing game.

Last Updated: 12/27/2023Network: GlobalStatus: Ended
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Fatal Flaw
star
7.89
219 votes

#1 - Fatal Flaw

Season 2 - Episode 6 - Aired 2/7/2018

Mary decides to wear a wire in order to help Ben take down Olivia, but when their plan takes an unexpected turn, Mary must reconsider her allegiance. As Des and Nicole prepare for Brendan's death, Des faces crippling self-doubt about his dream.

Directors: David Wellington
Watch Now:Amazon
A Goddamned Saint
star
7.81
129 votes

#2 - A Goddamned Saint

Season 3 - Episode 6 - Aired 6/17/2019

Following a murder at the hospice, Mary and Ben have 24 hours to convince the police that Frances is the real killer.

Directors: Paul Fox
Morning Glory
star
7.71
498 votes

#3 - Morning Glory

Season 1 - Episode 6 - Aired 2/22/2017

In order to save her family and career, Mary makes a difficult decision.

Directors: Holly Dale
Watch Now:Amazon
The Connection
star
7.70
234 votes

#4 - The Connection

Season 2 - Episode 2 - Aired 1/10/2018

When Olivia attempts to blackmail Mary, she is drawn deeper into a deadly game of cat and mouse that has a surprising connection to Ben.

Directors: Kelly Makin
Watch Now:AmazonApple TV
The Judas Cradle
star
7.69
485 votes

#5 - The Judas Cradle

Season 1 - Episode 5 - Aired 2/22/2017

Mary seriously considers giving up her operations for good.

Directors: Holly Dale
Writer: Sherry White
Watch Now:Amazon
The Means
star
7.68
246 votes

#6 - The Means

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

Des is happy to reteam with Mary following his stint in prison - but when a routine case leads to a devastating outcome, Mary questions whether she was better off fighting the good fight without him in control and unchallenged.

Directors: Kelly Makin
Watch Now:AmazonApple TV
Ride or Die
star
7.68
236 votes

#7 - Ride or Die

Season 2 - Episode 4 - Aired 1/24/2018

Following the disappearance of Travis, Des worries that he and Mary may have crossed a moral line from which they can never return. After jeopardizing Ben's investigation of Olivia, Mary tries to make amends, which has repercussions for a patient in dire need.

Directors: Norma Bailey
Watch Now:Amazon
Twin Flames
star
7.68
228 votes

#8 - Twin Flames

Season 2 - Episode 3 - Aired 1/17/2018

Mary and Ben decide to join forces and hide Travis at Ben's secluded trailer. But when Travis reveals a crucial detail about Ben's investigation, Mary is forced to reconsider their alliance.

Directors: Norma Bailey
Watch Now:AmazonApple TV
The River Styx
star
7.58
623 votes

#9 - The River Styx

Season 1 - Episode 2 - Aired 2/1/2017

After being intimate with Joel, Mary has second thoughts about ending his life; a client's son pulls a gun on Des; Kevin's relationship with a new woman gets intense.

Directors: Holly Dale
Watch Now:Amazon
Wolf, Meet Henhouse
star
7.54
125 votes

#10 - Wolf, Meet Henhouse

Season 3 - Episode 5 - Aired 6/10/2019

Mary and Ben take a calculated risk in trying to take Frances down.

Directors: Paul Fox
Girl Problems
star
7.53
130 votes

#11 - Girl Problems

Season 3 - Episode 2 - Aired 5/19/2019

Mary promises Des that she'll never put the hospice at risk again. Mary and Frances meet an elderly cancer patient. Jess realizes that something's wrong with Naomi.

Directors: Norma Bailey
Writer: Jane Maggs
Watch Now:Amazon
Wave the White Flag
star
7.51
556 votes

#12 - Wave the White Flag

Season 1 - Episode 3 - Aired 2/8/2017

Mary confronts Ben; Grady blackmails Mary into helping him break a patient out of the hospital; Ben and Frank get a new lead.

Directors: Holly Dale
Watch Now:Amazon
Switzerland Has Trees
star
7.51
130 votes

#13 - Switzerland Has Trees

Season 3 - Episode 4 - Aired 6/3/2019

Reeling with guilt over Leah’s death, Mary turns to Ben for help and agrees to stop killing people at the hospice. But after watching one of her patients die an excruciating natural death, Mary recommits to her cause and hatches a plan to deal with Frances.

Directors: James Genn
Writer: Karen Moore
Watch Now:Amazon
Raised By Wolves
star
7.51
498 votes

#14 - Raised By Wolves

Season 1 - Episode 4 - Aired 2/15/2017

Ben follows Mary to her childhood home where he learns about her past; Grady approaches Mary with an offer; Des becomes a victim of police misconduct.

Directors: Holly Dale
Watch Now:Amazon
Come to Jesus
star
7.50
219 votes

#15 - Come to Jesus

Season 2 - Episode 5 - Aired 1/31/2018

All seems well for Mary, Ben has forgiven her, and she and Des have decided to move forward with the death retreat. The only nagging concern for Mary: her daughter Jess hates her and doesn't believe a word out of her mouth.

Directors: David Wellington
Watch Now:AmazonApple TV
The Key to Faith
star
7.48
141 votes

#16 - The Key to Faith

Season 3 - Episode 1 - Aired 5/12/2019

Mary secretly takes in patients, but one death doesn't go as planned.

Directors: Norma Bailey
Watch Now:Amazon
Bloody Mary
star
7.41
747 votes

#17 - Bloody Mary

Season 1 - Episode 1 - Aired 1/25/2017

When Dr. Mary Harris becomes romantically involved with an attractive patient, it sets off a chain of events that could destroy her life, her family, and her career – not to mention her illegal side gig, helping terminal clients end their lives.

Directors: Holly Dale
Watch Now:Amazon
No Happy Ending Here
star
7.41
129 votes

#18 - No Happy Ending Here

Season 3 - Episode 3 - Aired 5/27/2019

Mary makes a horrifying discovery, sending Annie on a dangerous collision course with Frances. Meanwhile, Ben attempts to reconcile with Mary, and Des becomes attached to a difficult patient.

Directors: James Genn
Writer: Matt Huether
Watch Now:Amazon