Hawaii Five-0 (2010) season 9 episode 23
Episode title: Hoʻokahi no la o ka malihini (A Stranger Only for a Day)
While McGarrett helps his visiting sister, Mary, spy on her shady neighbors, Five-0 investigates the murders of a ride-share driver and his passenger. Also, the team teases the youngest members of Five-0 when Junior escorts Tani to a wedding.
