McGarrett helps his mother with a covert operation on Hawaii Five-O. "He welo 'oihana (Family Business)" is the 23rd episode of the show's third season.
McGarrett and his team end up in the spotlight when a talk show host follows them during an investigation on Hawaii Five-O. "Imi loko ka 'uhane (Seek Within One's Soul)" is the 21st episode of the show's third season.
The Five-O team suffers a set back during their investigation on Hawaii Five-O. "Hoa Pili (Close Friend)" is the 19th episode of the show's third season.
McGarrett hires a private investigator to follow his mother. Treat Williams guest stars on Hawaii Five-O. "Kekoa (Warrior)" is the 16th episode of the show's third season.
When someone is targeting police officers, they wonder if McGarrett may be on the list on Hawaii Five-O. "Hookman" is the 15th episode of the show's third season.
Danny and McGarrett head to college when a professor is found dead in a tub of acid on Hawaii Five-O. "Kapu" is the 12 episode of the show's third season.
McGarrett investigates an intelligent, sexy therapist in the murder of her patient on Hawaii Five-O. "Wahine'inoloa (Evil Woman)" is the eighth episode of the show's third season.
Can McGarrett handle a murder investigation and a reunion between his mother and sister on Hawaii Five-O? "Ohuna (The Secret)" is the seventh episode of the show's third season.
McGarrett and the team must find a ritualistic killer before he strikes again on Halloween on Hawaii Five-0. "Mohai" is the fifth episode of the show's third season.
