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Hawaii becomes the Island of Johnny Moreau on Friday's 100th episode of Hawaii Five-0: Bush singer Gavin Rossdale guest-stars as a new villain.
The bulk of the milestone hour is devoted to a "Sliding Doors" plot — in which McGarrett (Alex O'Loughlin) is kidnapped by Wo Fat (Mark Dacascos) and experiences what his life would have been like if his father, John McGarrett (William Sadler), had never died. And it's a must-see episode for longtime fans, who will finally get a definitive answer as to the exact link between McGarrett and Wo Fat.
So what does Johnny Moreau have to do with all this? TVGuide.com chatted with Rossdale about his guest-starring role, which TV shows he's addicted to, and whether we'll be seeing any more of him on The Voice this season.read more