Episode #1.3 - S1-E3
Continuity mistake: Vera fires the gun several times, and later tells Justice Wargrave that the gun is empty, meaning that all the cartridges in it would be spent. When the judge loads his one bullet into the chamber, he does so in a gun where all five cartridge svisible are unspent.
Continuity mistake: When Allison gives Kurt his breakfast muffin (in a brown paper bag), it suddenly jumps from his left hand to his right hand between shots.
Continuity mistake: A henchman places a briefcase up-side down on a bench, opens the locks and starts to open the briefcase with the locks above the lid latches which are flipped open toward the floor. Instantly the briefcase is right-side up with the locks down and the lid latches up. (00:26:11)
Continuity mistake: The series doesn't seem sure what Sunny's rank is. He is described at various times both on screen and in the credits as both Detective Inspector and Detective Sergeant.
Revelations - S1-E10
Continuity mistake: When Piper reveals herself as the killer in the dock, you can see her dropping the mask and shortly after, removing her poncho and drop it on the floor as well. In the next shot from the side of the dock where you can see Piper and Emma face to face, the mask and the poncho are no longer on the floor. (00:32:20 - 00:33:10)
Episode #1.1 - S1-E1
Continuity mistake: When he is asked "The culprit is a woman, isn't it?", the doctor is suddenly holding the pen between both hands instead of just with the right hand. (00:29:55)
Continuity mistake: Naomi goes into the area with no oxygen. She is not wearing her helmet front shield. Yet in the next cut she is wearing it. (00:08:20)
Continuity mistake: When Theresa and Ben walk down the road leaving town, and run into the woods from the Sheriff, Theresa's roller suitcase falls over on its 'back'. A minute later, when Ethan catches up to them, the suitcase is on its 'front'. (00:36:30 - 00:37:30)