Wynonna Earp
Alley
Dolls faces off with his boss Moody over the fate of Purgatory with Doc's help in episode 2x06 “Whiskey Lullaby”. Doc and Wynonna are fleeing with the painting when a loud bell rings out and Wynonna disappears in episode 4x05 “Holy War: Part 1”.
Source: Emily Andras — Twitter, High River Times