Agent Powers, Agent Trigger and others in “Unfinished Business”

My name is Agent Powers, and this is Agent Trigger. We're here to investigate reports of mysterious activity in this town.

[pointing at Stan] Activity!

Stan

"Mysterious activity?" At the Mystery Shack? You must be joking.

I assure you, I am not. I was born with a rare disorder that prevents me from experiencing humor.

Stan

[laughs nervously]

I don't understand that sound you're making with your mouth.