Alisa Allapach

McGarrett and the team work with an injured police dog that is the only witness to an ambushed drug bust, and a former US Navy SEAL looks to join the task force.

The team investigates a shipwreck carrying exotic animals that now threaten the native wildlife on Oahu; Alex sustains a career-ending injury; Kai asks a fish and wildlife agent out on a date.

Danny offers to let Mindy buy the other condo he owns in his building, but becomes jealous when she starts dating Charlie. Peter thinks the brain surgeon he is dating may be too mature for him.

Ryan and the team look into a roller coaster crash that seems to have been caused by illegal access to the ride's internal computer.