Scott Caan, Alex O'Loughlin Photo

From: Photo Flash: First Look - HAWAII FIVE-0's 'Na Ki'i (Dolls),' Airing 3/18

On HAWAII FIVE-0's upcoming episode, titled 'Na Ki'i,' when a murder victim falls onto Dog the Bounty Hunter's SUV, Five-0 sends Catherine in undercover at the local roller derby to find the culprit, on Monday, March 18 (10:00-11:00 PM, ET/PT) on CBS. Bounty Hunter Duane 'Dog' Chapman and his wife Beth Chapman guest star as themselves. (*Na Ki'i is Hawaiian for 'Dolls')