Pilot | 1.01
Sam: Even if we do find the thing that killed her, Mom’s gone, and she isn’t coming back.
Dean: Don’t talk about her like that.Salvation | 1.21
Dean: You said yourself once, that no matter what we do, they’re gone, and they’re never coming back.
Sam: Don’t you say that, not you! Not after all this. Don’t you say that.