In the opening scene, Nolan and Bishop are ordered to "801 North Heatherly", but the house number is 355, which is clearly seen just before they open the front door.
When the IA detective begins talking through the stack of files of Bishop's career, the first item she brings up is her failure to lock the door of the shop earlier in the season. However, at the time of that event, Bishop's punishment from Grey was 'undocumented oral counseling.' If it was undocumented, it shouldn't be in the file.
When Nell, the dispatcher, calls for Chen and Bradford, Bradford replies, "7 Adam 19, responding". Later, when Chen and Bradford roll up on the drunk driver accident scene, Chen calls in and says "7 Adam 7", which is Lopez and West's call sign.
When Ben and Nolan are talking by the pool about leaving trauma behind, the bruise on Ben's face covers up his real eyebrow, leaving him with one badly painted on over the other make up.