Continuity mistake: When Irina meets XIII on the river dock, she leaves her car, closes the driver side door and walks to XIII. Moments later, when XIII is shot, she runs back to her car, where the door is wide open.
Now or Never - S1-E2
Continuity mistake: When Amy picks up her book from the trash her thumb is on the front cover. When the camera cuts and she hands the book to her co-worker, her thumb is on the back cover.
Continuity mistake: In the scene where Cricket is cutting out clips of the Bill Vaughn scandal, she places the one clipping into the binder on top of another, then in another shot, the new clipping is no longer there, and she places that exact same clipping into the binder again.
Continuity mistake: When the detectives are in pursuit in the alley, they are followed by a police car. In all shots from the front it has its blue lights on, while they are off in all shots from the rear.