Visible crew/equipment: Robert pushes Ray into accepting his offer to go on a citizen's ride-along. They are initially sitting on the couch at the time, and when they rise, if you look closely behind where Ray is standing, through one of the kitchen windows you can spot a production crew member.
Good Girls - S2-E19
Visible crew/equipment: After Debra goes upstairs angry, Ray says up to her "Forget about Miss Congeniality, that's for sure." During the shot immediately following this, you can see a microphone at the top of the screen for a second. (00:07:30)
High School - S2-E10
Visible crew/equipment: In the kitchen you can see someone walking outside the kitchen window but nobody walks in.
Answer: War.
By whom?
Edwin Starr.