McGarrett and Danny head to a couples retreat to help their partnership on Hawaii Five-0. "Kuleana (One's Personal Sense of Responsibility)" is the 11th episode of the show's sixth season.
The team investigates when a local boxer is murdered on Hawaii Five-0. ""Ka Makau Kaa Kaua" (The Sweet Science)" is the tenth episode of the show's sixth season.
Danny has to track down Grace after she sneaks out to a Halloween party on Hawaii Five-O. "Na Pilikua Nui (Monsters)" is the sixth episode of the show's sixth season.
The team investigates a murder linked to a centuries old pirate story on the season premiere of Hawaii Five-0. "Mai ho`oni i ka wai lana mâlie (Do Not Disturb)" is the first episode of the show's sixth season.