Visible crew/equipment: Before the neighbors enter the house and get shrunk, all the film crew and a boom mic are reflected on Nick's glasses.
Visible crew/equipment: When the neighbors are shooing the cops out, the husband opens the door. As he does the reflection of a crew member in the door glass.
Visible crew/equipment: Stage lights are reflected in Nick's glasses before Russ yells "I say that ant is ours."
Visible crew/equipment: When the neighbours visit the Szalinskis to get their baseball and Nick opens the door, you can see the reflection of the cameras and lights in the glass.
Answer: More along the lines of a serious health problem related to her "plumbing".
Greg Dwyer