[Stefan falls silent when Damon uses two words in impossible conjunction with each other. It startles him enough that he doesn't even bother trying to make sense of what comes after it.]

What do you mean, "dead"? How can he be dead? He's the hybrid now, you can't...

[Okay, stop. Breathe. Think. Stefan is just starting to get an inkling of the confusion Alaric felt while talking to Damon earlier.]

Klaus isn't dead. Not as far as I know. [Another pause, but a shorter one this time.] Damon, the last thing I remember is seeing you and Elena at Gloria's bar.