Dr. Pemberton: Hey, uh, if we haven't said it before, we just want to say thank you.
Dr. Campbell: Yeah. We couldn't have proven super-asymmetry without you.
Sheldon: Wait-wait. You all heard them say it. They didn't do anything.
Leonard: Sheldon. Shut up.
Sheldon: Yeah-- Well, that's rude.
Leonard: No. Shut up.
Sheldon: Oh, the code word, thank you.