Lost & Found
The fourth season was again set on Vancouver Island, in Quatsino Territory, located near Port Hardy, British Columbia.
Episodes
1 Divide and Conquer Jun 15, 2017 
2 Hell on Earth Jun 22, 2017 
3 Margin of Error Jun 29, 2017 
4 The Last Mile Jul 6, 2017 
5 Double or Nothing Jul 13, 2017 
6 Thicker Than Water Jul 20, 2017 
7 Hooked Jul 27, 2017 
8 Flare-Up Aug 3, 2017 
9 My Brother's Keeper Aug 10, 2017 
10 Flesh and Blood Aug 17, 2017