Snow White and Prince Charming
Well, at least we have a name for Derek's mom now, but how will she possibly be a regular? Flashbacks? Still alive? Brought back from the dead?

And thanks to an earlier conversation we had about this, now I'm picturing Thalia dying in Derek's arms, chanting Mama over and over again to try to wake her up, and a crying Stiles pulling him away. Now it won't leave me alone.