The Gloaming - S1-E6
Continuity mistake: When we first see the guy in the tunnel, he runs to the left in the first shot. The next time we see him, he runs to the right.
Continuity mistake: Sgt. Chee pulls up in his vehicle to question Winford about Shorty's whereabouts. They are standing outside of the repair shop while Winford is working on the motor. After speaking for a while, they walk from the car together, only now they are walking from the rear of the car heading to the front. Also, the car has moved inside the shop.
A Darker Domain: Part 2 - S2-E2
Continuity mistake: In the time of the original crime, Mick takes the handgun from Kevin and places it in his waistband. He then shows Catriona but does not give it to her. A few moments later, when Mick and Kevin are fighting, Catriona emerges from the other room and shoots Kevin with the pistol.