Simon Doyle, Esposito and others in “Time Will Tell”

Please listen to me, don't do this. Please. You have to let me go. If you don't, a billion people will die!

Esposito

Yeah? How are they gonna die?

I don't know. I only know that they do.

Esposito

Yeah? And how's that?

Because...I'm from the future.

Castle

[Whispering] This just became my favorite case.