Castle Exclusive: [Spoiler] Is Back - But Why?

If you’ve been following TVLine’s Ask Ausiello column – and really, why wouldn’t you be? – you’ve gotten clues about the Castle character who will be turning up at season’s end. And thus far you’ve heard that it’s someone with ties to a former regular.

Well, clues shmues — TVLine can now confirm that the person set to resurface in the May 7 season finale is … READ MORE