109. By the Numbers (12/12/1968)
On leave in Honolulu after a tour of duty in Vietnam, a naive young private finds his life falling apart. He wanders into the middle of a murderous power struggle among members of a criminal organization. Meanwhile, the governor pushes McGarrett to protect the soldiers that frequent the Hotel Street red-light district.
Guest stars: (Laurie Franklin), John Goddard (Private Joseph Crewes), Anne Helm (Irene Park), Will Kuluva (Philip Lo), Johnny Crawford (Private Jerry Franklin), Herman Wedemeyer (Lt. George Balta), Jonathan Lippe (George Barker), Richard Benedict (Sol the Bartender), James McEachin (Chaplain John Anderson), James Gosa (Tato), Randall Kim (John Lo), Howard Y. Miyake (Priest), Ati Soo (Than), Verne Hoke (Min Lee)
110. Yesterday Died And Tomorrow Won't Be Born (12/19/1968)
When McGarrett is shot by someone from his past, Danno takes command of Five-O. As he leads the investigation, Danno discovers that the shooter may be setting up another important man as his next victim.
Guest stars: Maggi Parker (May), Morgan White (Attorney General Walter Stewart), Douglas Mossman (Lt. George Leoloha), Ted Hard (Dr. Rothstein), Al Eben (Dr. Cohen), Anna Lea (Mrs. McGovern), Ellen Corby (Mrs. Feathertree), John Larch (Joseph Trinian), Vivi Janiss (Emma Trinian), Paul Picerni (Charley Mangan), Lani Kai (M.K.)