Lice
Dwight:Make way, nope, inspect me.
Erin:Oh, this is the cleanest scalp I've ever seen. You are all clear.
Dwight:Should be. I use lice shampoo every morning. [Dwight starts spraying everyone with disinfectant]
Pam:Stop that!
Angela:Dwight!
Erin:Next!
Angela:[getting her head checked] Geez Meredith, you know, this is an office not one of your bean bag orgies.
Pam:Alright, let's give her a break. We don't know for sure this is Meredith's fault.
Oscar:Pam, really? Come on.
Meredith:Hey, what do you want? I know who I am. Nobody's taken Meredith Palmer to the opera to meet the queen.
Erin:Lice. More lice. [Angela shrieks in disgust] Angela has lice.
Angela:Ew! Oh.
Erin:[checking Stanley's head] Ooh yabber, lice!
Erin:[checking Pam's head] Yikers, lice.
Pam:No! How? I'm so clean!
Erin:[checking Oscar's head] Oh yeah, big time lice.