Visible crew/equipment: When Grace thanks her father for "The Scream" punching bag, just as Maxwell says, "Oh, I'm glad you like it, sweetheart," and a moment later as he says, "There's my big girl," in both of these shots the boom mic dips down into view at the top of the screen. (00:10:35)
Visible crew/equipment: In the beginning when Niles lets C.C. in the house and she puts an envelope on the table, you can see a crew member start to step out through the hall in the background and step back real quick. Then as C.C. starts to walk back to the door, you can see them step back out to cross over.
Visible crew/equipment: When Maxwell is in Fran's room and Fran stands up a boom mic is visible.
Answer: Mr. Sheffield needed someone to manage the kids, not necessarily babysit them. Brighton was a Bart Simpson type, Maggie was shy and awkward and Gracie had personality issues.