

The fourth season of Hawaii Five-O, an American television series, began September 14, 1971, and ended on March 7, 1972. It aired on CBS. The region 1 DVD was released on June 10, 2008.
All episodes — Season 4
S4 E1Highest Castle, Deepest Grave
Sep 14, 197160 min
A ten year old case is reopened when an archaeological dig unearths the skeletons of two murder victims.
S4 E2No Bottles... No Cans... No People
Sep 21, 197160 min
Gangster Johnny Oporta arranges for his enemies to be murdered and then covers up his crimes by incinerating their bodies. McGarrett and the others must stop this murderous spree.
S4 E3Wednesday, Ladies Free
Sep 28, 197160 min
Vic Tanaka is murdering women and painting their faces to resemble a prostitute he once knew, who is now happily married. McGarrett and his team must find the killer before he does any more damage.
S4 E43,000 Crooked Miles To Honolulu
Oct 5, 197160 min
Five-O is up against a sophisticated gang who have come to Hawaii to cash $750,000 of traveller's cheques.
S4 E5Two Doves And Mr. Heron
Oct 12, 197160 min
A hippie robs an embezzler of the key to a locker containing $250,000. Meanwhile, Danno is trying to contact the daughter of his Berkeley University landlady, who happens to be the hippie's girlfriend…
S4 E6...And I Want Some Candy And A Gun That Shoots
Oct 19, 197160 min
Young Vietnam veteran and marksman Billy Shem Jr. buys a rifle under false pretences and proceeds to a bunker at Diamond Head. He then takes pot shots at the people on the road and then the police who arrive. McGarrett must neutralise the t
S4 E7Air Cargo -- Dial For Murder
Oct 26, 197160 min
While investigating the death of a security agent at an airport, McGarrett comes into contact with a gang who hijack cargo.
S4 E8For A Million... Why Not?
Nov 2, 197160 min
Five seemingly good citizens with different motives band together to steal $6,000,000 while McGarrett is away on Maui at a trial.
S4 E9The Burning Ice
Nov 9, 197160 min
McGarrett finds holes in a convict's story and a husband becomes a suspect in the murder of his wife.
S4 E10Rest In Peace, Somebody
Nov 16, 197160 min
A policeman who was kicked off the force blames McGarrett and Five-O and plans to kill the Governor.
S4 E11A Matter Of Mutual Concern
Nov 23, 197160 min
McGarrett must deal with the conflicts between four gangs of differing ethnic background, and try to uncover illegal activities.
S4 E12Nine, Ten -- You're Dead
Nov 30, 197160 min
A mob boss seeks revenge on a former boxer who smashed the hand of a novice to prevent him from ending up ruining his life in the boxing ring.
S4 E13Is This Any Way To Run A Paradise?
Dec 21, 197160 min
McGarrett and the team must find out who is behind a series of ecological stunts, when it is feared that a company executive will be their next target.
S4 E14Odd Man In
Dec 28, 197160 min
A veteran criminal who has already had dealings with Five-O escapes, and plans to steal millions of dollars from drug smugglers.
S4 E15Bait Once, Bait Twice
Jan 4, 197260 min
A woman attempts suicide in order to get her boyfriend to come out into the open and expose himself to an assassination attempt.
S4 E16The Ninety-Second War (1)
Jan 11, 197260 min
McGarrett is framed in an elaborate set up by Wo Fat, and has to contend with a foreign double amongst other problems.
S4 E17The Ninety-Second War (2)
Jan 18, 197260 min
Several faces from the past reappear as McGarrett must stop Wo Fat from carrying out his plan, a ninety second attack on a missile tracking base.
S4 E18Skinhead
Jan 25, 197260 min
When a young woman is beaten and raped and a soldier is arrested for the crime, McGarrett begins to have doubts about his guilt.
S4 E19While You're At It, Bring In The Moon
Feb 1, 197260 min
An eccentric billionaire is accused of murdering a business associate, but will not leave his boat to defend himself against the accusations, allowing his associates to declare him mentally incompetent.
S4 E20Cloth Of Gold
Feb 8, 197260 min
Three real estate crooks die horrible and mysterious shellfish related deaths, and McGarrett and the others must establish the link between them, and who has reason to want them dead.
S4 E21Good Night, Baby - Time To Die!
Feb 15, 197260 min
McGarrett sets up a cordon of police around a young woman to capture her boyfriend who has escaped from jail, but all is not as it seems…
S4 E22Didn't We Meet At A Murder?
Feb 22, 197260 min
A young widow becomes part of a blackmail plot involving the murder of a Chicago mobster.
S4 E23Follow The White Brick Road
Feb 29, 197260 min
Danno goes undercover onboard a Navy ship to try and uncover how sailors are smuggling heroin onto the islands.
S4 E24R&R -- &R
Mar 7, 197260 min
A psychotic man named Ralston is killing the wives of members of his army unit, and Five-O, including Kono on his last case, must stop him before he commits any more crazed attacks.