Flynn is lying on his bed with his sneakers on when Emily stands up to check her son's trophies but when the camera shows Flynn again he does not have sneakers on anymore.
When Emily enters Flynn's room, Flynn is on his bed with his shoes on (14:45), but in a few seconds, he is in his socks.
The show was set in Boston but filmed in Bulgaria. Around 20:42, you can see the European license plate was cover with silver tapes and a Massachusetts license plate was placed on the florist's van.
Near the very end of the episode at 37:51, When the camera focuses on Nick during the conversation with Alice, the cameraman can be seen in the reflection of the window.