Season 2 - Episode Guide

Three wives of men killed in Vietnam die after collecting their husbands' G.I. insurance; guests Harry Guardino, Loretta Swit.

A deranged Japanese man returns to Hawaii to complete his mission to destroy Pearl Harbor; guest Mark Lenard.

Agents of the People's Republic of China use a false tidal-wave forecast to mask the kidnapping of a scientist (Will Geer).

A small-town salesman witnesses a prostitute's murder but refuses to testify; guest Elaine Joyce. Directed by Nicholas Colasanto.

Members of a small, foreign guerrilla force burglarize an armory to steal weapons for a revolution in their country.

A radical Maoist attending college in Hawaii is found dead as evidence links him with a Chinese intelligence operation.

A foreign agent (Theodore Bikel) threatens germ warfare and the end of Hawaii's sugar industry; guests Philip Ahn, Soon-Teck Oh.

A prank turns serious when university students who stole the cherished robe of King Kamehameha decide not to bring it back.

A woman, the only witness to a murder by a wanted Hawaiian crime figure, asks McGarrett to come to Singapore and escort her back.

McGarrett's investigation of a former mobster implicates a state committee head; guests James Gregory, Keye Luke.

McGarrett must protect a dictator whose jet made a forced emergency landing in Hawaii; guest Paul Stevens.

After his kidnapped son escapes, a wealthy man demands McGarrett recover the $300,000 ransom he paid to the boy's abductors.

A Texas heiress (Beverlee McKinsey) pits a beachboy against a playboy in a bizarre card game in which their lives are the stakes.

An adversary (William Windom) of McGarrett's pulls off the perfect heist in front of Five-0; guest Jackie Coogan.

An order from the governor is necessary to stop blinded McGarrett from pursuing the assailant responsible for his loss of sight.

The girlfriend of a fitness guru dies while attempting a hanging-type exercise.

McGarrett clashes with the Navy when he tries to bring in a suspect in a shore patrolman's murder; guest Christopher Walken.

Someone is deliberately tormenting a disturbed Vietnam veteran guilty of kidnapping.

An angry man seeks revenge after a crooked poker game costs the life of his honeymooning brother; guests Jack Soo, John Colicos.

One of McGarrett's most trusted investigators is accused of accepting a bribe from a major narcotics dealer; guest Martin Sheen.

A grief-stricken policeman takes the law into his own hands after his wife is murdered; guests Tom Skerritt, Sam Melville.

A renowned research scientist, conned into believing he shot and killed a man, disappears from his important government assignment.

A scientist (Ed Flanders) vanishes after discovering a deadly biological mutation.

The Five-0 team has 12 hours to learn where a scientist (Ed Flanders) hid a vial of deadly mutant microbes.

A beautiful thief (Joanne Linville) posing as a socialite schemes to steal a Hawaiian royal jewel; guest George Gaynes.