Big Brother, Marlon and more
Catherine works undercover at a local roller derby to find a killer after a victim falls onto Dog the Bounty Hunter's SUV.
Five-0 investigates when a tour company that is endangering the local shark population receives deadly threats. Meanwhile, Kamekona tries to earn his helicopter pilot's license.
McGarrett and Catherine head into North Korea to retrieve a fallen friend's body. While there, McGarrett recalls his last perilous mission in the country. Jimmy Buffett guest stars.
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