In the third and final chapter, Dr. Mary Harris must come face-to-face with her own personal choices, ethics, and demons in a way she never has before. The death retreat is up and running, but its cover as a legitimate hospice is crumbling away and with it the idyllic vision Mary and Des had for continuing their work in quiet secrecy. With Mary’s family and the work she loves in jeopardy once more, she realizes she is finally going to have to put life, with all of its complexities and imperfections, first.
Release Date
PremieredMary Kills People Season 3 released on May 12, 2019.
Your Progress
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Sign In to Track ProgressSeasons
The Key to Faith
Mary secretly takes in patients, but one death doesn't go as planned.
Girl Problems
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.
No Happy Ending Here
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.
Switzerland Has Trees
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.
Wolf, Meet Henhouse
Mary and Ben take a calculated risk in trying to take Frances down.
A Goddamned Saint
Following a murder at the hospice, Mary and Ben have 24 hours to convince the police that Frances is the real killer.
Latest Trailers and Teasers
Mary Kills People Trailer | Series Premiere Wed, Jan 25
Mary Kills People Teaser Trailer | Series Premiere Wednesday Jan 25
Mary Kills People
Season 3
In the third and final chapter, Dr. Mary Harris must come face-to-face with her own personal choices, ethics, and demons in a way she never has before. The death retreat is up and running, but its cover as a legitimate hospice is crumbling away and with it the idyllic vision Mary and Des had for continuing their work in quiet secrecy. With Mary’s family and the work she loves in jeopardy once more, she realizes she is finally going to have to put life, with all of its complexities and imperfections, first.
Release Date
PremieredMary Kills People Season 3 released on May 12, 2019.
Your Progress
Track your watching progress by signing in
Sign In to Track ProgressThe Key to Faith
Mary secretly takes in patients, but one death doesn't go as planned.
Girl Problems
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.
No Happy Ending Here
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.
Switzerland Has Trees
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.
Wolf, Meet Henhouse
Mary and Ben take a calculated risk in trying to take Frances down.
A Goddamned Saint
Following a murder at the hospice, Mary and Ben have 24 hours to convince the police that Frances is the real killer.