Continuity mistake: In the closing scene, Megan is sitting at her desk and Peter walks in. Megan's LCD is sitting in front of her and slightly to her left. In multiple shots it can be seen very close to a picture frame on her desk right in front of her. Peter gives her a memory card and she puts it in a reader, then views the video. Her eyes are basically straight ahead while she watches the video. At the close of the scene, the camera zooms back from Megan and the LCD has moved to her extreme left near the edge of the desk. Note the distance between the LCD and picture frame from earlier. (00:40:00 - 00:43:10)
Continuity mistake: Peter says he only found out he was adopted only because his father gave him an envelope before he died. However, in the first season, Peter said that as a kid he was bounced around foster care until he was adopted by a good family with three sisters. (00:18:15)