7.7/10354 votes#1 - Murdoch Mystery Mansion
Season 12 Episode 1 - Aired 9/24/2018
After being designed by architect Frank Lloyd Wright, Murdoch and Ogden's house is rocked by an explosion that claims a man's life.
Director: N/A
Writer: N/A
7.8/10297 votes#2 - Operation: Murder
Season 12 Episode 2 - Aired 10/1/2018
Ogden enlists Murdoch to investigate possible sabotage in the operating room after a patient dies during a routine medical procedure..
Director: N/A
Writer: N/A
7.7/10343 votes#3 - My Big Fat Mimico Wedding
Season 12 Episode 3 - Aired 10/8/2018
Murdoch, Ogden, Crabtree and Brackenreid attend Higgins’ and Ruth Newsome’s wedding, but a guest repeatedly tries to kill the groom.
Director: N/A
Writer: N/A
7.3/10303 votes#4 - Murdoch Without Borders
Season 12 Episode 4 - Aired 10/15/2018
Anti-immigrant laws lead to the arrests of Greek men, and Brackenreid regrets releasing his carpenter when he’s suspected of murder.
Director: N/A
Writer: N/A
8.0/10318 votes#5 - The Spy Who Loved Murdoch
Season 12 Episode 5 - Aired 10/22/2018
Murdoch impersonates a dead diplomat to save a treaty, but political and sexual intrigue complicate matters.
Director: N/A
Writer: N/A
6.1/10690 votes#6 - Sir. Sir? Sir!!!
Season 12 Episode 6 - Aired 10/29/2018
Murdoch investigates an astronomical phenomenon with a strange impact on his colleagues’ behavior and dire implications for Toronto.
Director: N/A
Writer: N/A
8.3/10319 votes#7 - Brother's Keeper
Season 12 Episode 7 - Aired 11/5/2018
Watts kills a man in self-defense, then Murdoch uncovers the victim’s criminal past.
Director: N/A
Writer: N/A
7.7/10263 votes#8 - Drowning in Money
Season 12 Episode 8 - Aired 11/12/2018
When a wealthy, high society couple are found drowned in their pool in an apparent double suicide, Murdoch suspects murder.
Director: N/A
Writer: N/A
7.8/10307 votes#9 - Secrets and Lies
Season 12 Episode 9 - Aired 11/26/2018
Brackenreid helps a friend in the case of a missing woman and learns he's closer to the case than he thought.
Director: Leslie Hope
Writer: Peter Mitchell
7.6/10266 votes#10 - Pirates of the Great Lakes
Season 12 Episode 10 - Aired 1/7/2019
As Murdoch helps an Italian detective recover a shipload of stolen antiquities, Brackenreid considers shipping out.
Director: Leslie Hope
Writer: Dan Trotta
7.9/10277 votes#11 - Annabella Cinderella
Season 12 Episode 11 - Aired 1/14/2019
Crabtree and John are transporting a convicted axe murderer to prison when she escapes to exact revenge on those who testified against her.
Director: Sherren Lee
Writer: Paul Aitken
7.9/10261 votes#12 - Six of the Best
Season 12 Episode 12 - Aired 1/21/2019
Murdoch's distressing childhood memories are evoked while investigating the death of an orphan under the care of the same Jesuit priest who taught him.
Director: Sherren Lee
Writer: Lori Spring
8.0/10268 votes#13 - Murdoch and the Undetectable Man
Season 12 Episode 13 - Aired 1/28/2019
Inventor Nikola Tesla assists Murdoch in an investigation into the death of a man experimenting with invisibility.
Director: Mina Shum
Writer: Paul Aitken
8.0/10255 votes#14 - Sins of the Father
Season 12 Episode 14 - Aired 2/4/2019
Murdoch investigates an apparent arson death, and reveals a personal history in the process.
Director: Mina Shum
Writer: Simom McNabb
7.7/10253 votes#15 - One Minute to Murder
Season 12 Episode 15 - Aired 2/11/2019
A man is electrocuted during a typing contest, but Murdoch suspects he wasn't the intended target.
Director: Mars Horodyski
Writer: Maureen Jennings
8.0/10262 votes#16 - Manual for Murder
Season 12 Episode 16 - Aired 2/18/2019
After the release of Murdoch and Ogden's book, a series of copycat murders begin to take place.
Director: Warren P. Sonoda
Writer: Paul Aitken, Robert Rotenberg
8.2/10248 votes#17 - Darkness Before the Dawn (1)
Season 12 Episode 17 - Aired 2/25/2019
As Murdoch seeks a promotion, a constable is shot in a botched raid on an opium den led by Watts.
Director: Peter Mitchell
Writer: Mary Pedersen
8.5/10253 votes#18 - Darkness Before the Dawn (2)
Season 12 Episode 18 - Aired 3/4/2019
Murdoch suspects John is being framed for murder by Inspector McWorthy and Brackenreid goes after the corrupt copper.
Director: Peter Mitchell
Writer: Simon McNabb, Noelle Girard
The Best Episodes of Murdoch Mysteries Season 12
Every episode of Murdoch Mysteries Season 12 ranked from best to worst. Discover the Best Episodes of Murdoch Mysteries Season 12!
A Victorian-era Toronto detective uses then-cutting edge forensic techniques to solve crimes, with the assistance of a female coroner who is also struggling for recognition...
Genres:MysteryDrama
Season 12 Ratings Summary
"Murdoch Mystery Mansion" is the best rated episode of "Murdoch Mysteries" season 12. It scored 7.7/10 based on 354 votes. Directed by N/A and written by N/A, it aired on 9/24/2018. This episode is rated 0.1 points higher than the second-best, "Operation: Murder".