After Forstman tells Harvey he wants to see him "on your knees," Harvey's reaction shot is flipped; his distinctive mole is over the opposite eyebrow.
When Harvey first arrives in front of the pool table to talk to Forstman, his breast pocket/handkerchief are on the right side (correct), as the scene continues Harvey's breast pocket/handkerchief suddenly appear on the left side (video inverted), then both reappear on the right again (correct).
Donna tells Louis about Mike and Harvey getting high when they thought they were screwed. But Louis already knew about Harvey being high since he called a quorum the next day to get Harvey fired when he refused to take the drug test.