Ok. This was a great entry, full of humor and lots of science, which I appreciated to no end. Dr Klein usually gets so bogged down with techno babble he loses me, but this guy Ferguson made everything easy! Kudos.
That receptionist really put her life in her hands by making that crack about Lois getting her perfume from Cost-Mart. In the first season Lois clothes were of inferior quantity, but by the second season she (and everybody else) was dressing much better.
The scene might have had greater impact if you described how Denise looked.
Next?