Season 12
After a telephone call reports a body has been discovered, as well as reports of gunshots have been reported, Murdoch and Crabtree find an unlikely suspect cowering near the body. Murdoch suspects the true killer is still out there.
Episodes
1 Murdoch Mystery Mansion Sep 24, 2018 
2 Operation: Murder Oct 1, 2018 
3 My Big Fat Mimico Wedding Oct 8, 2018 
4 Murdoch Without Borders Oct 15, 2018 
5 The Spy Who Loved Murdoch Oct 22, 2018 
6 Sir. Sir? Sir!!! Oct 29, 2018 
7 Brother's Keeper Nov 5, 2018 
8 Drowning in Money Nov 12, 2018 
9 Secrets and Lies Nov 26, 2018 
10 Pirates of the Great Lakes Jan 7, 2019 
11 Annabella Cinderella Jan 14, 2019 
12 Six of the Best Jan 21, 2019 
13 Murdoch and the Undetectable Man Jan 28, 2019 
14 Sins of the Father Feb 4, 2019 
15 One Minute to Murder Feb 11, 2019 
16 Manual for Murder Feb 18, 2019 
17 Darkness Before the Dawn (1) Feb 25, 2019 
18 Darkness Before the Dawn (2) Mar 4, 2019