Season 12
18 episodes · first aired 2018-09-24
| Still | # | Title | Overview | Air date | Rating |
|---|---|---|---|---|---|
 | 01 | Murdoch Mystery Mansion 2018-09-24 | After being designed by architect Frank Lloyd Wright, Murdoch and Ogden's house is rocked by an explosion that claims a man's life. | 2018-09-24 | 7.8 |
 | 02 | Operation: Murder 2018-10-01 | Ogden enlists Murdoch to investigate possible sabotage in the operating room after a patient dies during a routine medical procedure.. | 2018-10-01 | 7.8 |
 | 03 | My Big Fat Mimico Wedding 2018-10-08 | Murdoch, Ogden, Crabtree and Brackenreid attend Higgins’ and Ruth Newsome’s wedding, but a guest repeatedly tries to kill the groom. | 2018-10-08 | 7.8 |
 | 04 | Murdoch Without Borders 2018-10-15 | Anti-immigrant laws lead to the arrests of Greek men, and Brackenreid regrets releasing his carpenter when he’s suspected of murder. | 2018-10-15 | 8.2 |
 | 05 | The Spy Who Loved Murdoch 2018-10-22 | Murdoch impersonates a dead diplomat to save a treaty, but political and sexual intrigue complicate matters. | 2018-10-22 | 7.8 |
 | 06 | Sir. Sir? Sir!!! 2018-10-29 | Murdoch investigates an astronomical phenomenon with a strange impact on his colleagues’ behavior and dire implications for Toronto. | 2018-10-29 | 7.0 |
 | 07 | Brother's Keeper 2018-11-05 | Watts kills a man in self-defense, then Murdoch uncovers the victim’s criminal past. | 2018-11-05 | 7.2 |
 | 08 | Drowning in Money 2018-11-12 | When a wealthy, high society couple are found drowned in their pool in an apparent double suicide, Murdoch suspects murder. | 2018-11-12 | 8.0 |
 | 09 | Secrets and Lies 2018-11-26 | Brackenreid helps a friend in the case of a missing woman and learns he's closer to the case than he thought. | 2018-11-26 | 7.8 |
 | 10 | Pirates of the Great Lakes 2019-01-07 | As Murdoch helps an Italian detective recover a shipload of stolen antiquities, Brackenreid considers shipping out. | 2019-01-07 | 8.0 |
 | 11 | Annabella Cinderella 2019-01-14 | Crabtree and John are transporting a convicted axe murderer to prison when she escapes to exact revenge on those who testified against her. | 2019-01-14 | 8.0 |
 | 12 | Six of the Best 2019-01-21 | 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. | 2019-01-21 | 8.0 |
 | 13 | Murdoch and the Undetectable Man 2019-01-28 | Inventor Nikola Tesla assists Murdoch in an investigation into the death of a man experimenting with invisibility. | 2019-01-28 | 7.8 |
 | 14 | Sins of the Father 2019-02-04 | Murdoch investigates an apparent arson death, and reveals a personal history in the process. | 2019-02-04 | 7.8 |
 | 15 | One Minute to Murder 2019-02-11 | A man is electrocuted during a typing contest, but Murdoch suspects he wasn't the intended target. | 2019-02-11 | 7.0 |
 | 16 | Manual for Murder 2019-02-18 | After the release of Murdoch and Ogden's book, a series of copycat murders begin to take place. | 2019-02-18 | 7.5 |
 | 17 | Darkness Before the Dawn (1) 2019-02-25 | As Murdoch seeks a promotion, a constable is shot in a botched raid on an opium den led by Watts. | 2019-02-25 | 7.5 |
 | 18 | Darkness Before the Dawn (2) 2019-03-04 | Murdoch suspects John is being framed for murder by Inspector McWorthy and Brackenreid goes after the corrupt copper. | 2019-03-04 | 7.8 |
Ratings shown are community scores. Once OMDB is wired, these become per-episode IMDB values.