Their words finally register in Hank's mind and he looks up (down?) and says, "I'm sorry, did you want to see more of the lab? I...I could explain about the Blackbird if you'd like?"

Mr. Black smiles and shakes his head. Seeing Hank not tripping over himself put him in too good a mood to interrupt. "It's okay Hank, I'll take them onward. Why don't you show Ms. Darkhome around or maybe take her to the cafeteria for lunch?"