Episode #2.1 - S2-E1
Continuity mistake: Near the end of the episode, when Simon is showing the photographs to Lloyd, Dinah and Harvey, the photographs on the table move around from shot to shot. (00:21:29)
Episode #2.2 - S2-E2
Continuity mistake: At the end of the previous episode Lloyd opens the front door to the house and Rose turns around to reveal herself. At the beginning of this episode we see this same moment again, however Rose is facing forward the whole time. (00:01:07)
Episode #3.6 - S3-E6
Continuity mistake: When the kids are strategising Harvey takes a drink of water out of his glass leaving barely anything in it. A couple of shots later and his glass is almost half full somehow. (00:04:48)