Older Women - S6-E9
Visible crew/equipment: Someone appears behind the kitchen door, when Ray goes, "and I can see how that can make you all... Man-hatey...", and hangs around behind the door for several seconds. (00:15:55)
Visible crew/equipment: When Kel gets up to get more water you can see one of the cameras.
Taxi Driver - S3-E13
Visible crew/equipment: Just after Mike sees everyone as Nicki and tells them to leave, a boom mic can be seen at the top of the screen. (00:00:50)
Visible crew/equipment: As Steve skidoos back home from the present store, a boom mic is visible above his head.
Visible crew/equipment: When Dick wants to go along with Mary to a wedding he tries to convince her. When he says "Whatever it takes, I'll do it" he walks forward. Take a look at the top of the screen and you'll notice the shadow of the boom mic on the wall following him.