The position of Harvey's arm when shaking Leslie's hand changes from over his head to near shoulder height.
(at around 10mins) When Harvey meets Lee he shakes her hand over his head. In the next shot he shakes her hand regularly.
When the man walks into his apartment and light switch does not work because the power is out, he walks to his table lamp, which is lit.
At the end of the episode when Gordon is having a discussion about the rules of his relationship at the workplace, the doctor leans on the document basket and it almost flips over.