At around 28 minutes, the USB device flips in Angela's hand in between shots.
When Bradford asks if this was Nolan's first knife fight, Nolan says yes. This is incorrect. Nolan's first knife fight was in the pilot,
At 29.52, when Officer Lopez is in front of Sarg. Grey's desk, she leans over the desk, and lumps can be seen in her "baby"
When West & Grey approach the Hollywood Division's Watch Commander's office, Sgt. Stella Porter has "Police Officer" on her badge instead of "Sergeant."