The X-Files, Season 8

Mulder:
I don't quite understand that either. Except that maybe he isn't what they thought he was. That doesn't make him any less of a miracle though, does it?

Scully:
From the moment I became pregnant, I feared the truth... about how... and why. And I know that you feared it, too.

Mulder:
I think what we feared were the possibilities. The truth we both know.

Scully:
Which is what?

[With William held between them, he leans down and they kiss.]