Continuity mistake: Kurt is still recovering from the beating he took in the previous episode with bad cuts on his forehead, checks and temple area. They are red and impossible to miss while he is in the police station. The cuts have miraculously disappeared in the next scene when he goes to visit Mona.
Continuity mistake: While the Agents are reviewing the courthouse security footage, they zoom in on the unsub's license plate number "28K-XK8" on the video feed. Barnes states aloud that it's "28K-XQ8" and Remy asks which employee drives a vehicle with that plate number, then the Courthouse Vehicle Directory shows "28K-XQ8" as the unsub's license plate number. (00:21:25)
Continuity mistake: When Jonah confronts Meyer after the death of the surgeon, Meyer's holding a drink in his left hand as he turns to face Jonah. The shot changes angle and the drink is suddenly in his right. (00:48:40)
Episode #1.3 - S1-E3
Continuity mistake: When Weol-ju is in the chairman's hotel room and begins to pour him a drink, when he raises the cup, his fingers are around the top of the cup, but in the close-up of the drink being poured, his fingers are much further down. (00:41:48)
The Two Faces, Part Two - S1-E7
Continuity mistake: The first time Peter is inside the memory with his mother, two ornamental flags can be seen hanging on a wall next to a light switch as they talk in the living room. One of these flags suddenly turns roughly 45° to the left without anyone touching it. (00:07:33)
Continuity mistake: The three friends finally meet in person after all the texting. Karube brings a cigarette to his mouth when Chota asks "Where to?", but in the next shot his hand is lower. (00:07:15)
Continuity mistake: Throughout the series, the Barbers pull their cars straight up their driveway. But the cars are nearly always shown coming back down the driveway driving forward.