, confirming the news and adding a warning: "Just a reminder, he's not a ghost and we should all remember what his appearance means."
Yeah, that the chemo ain't helping Izzie.
Think Denny's coming to help Izzie cross over?
Are you secretly glad he's popping back up? Is all forgiven now that you know he's not a ghost? Or does the news of his encore reappearance make you want to strangle someone? Vote in the poll below…