1970 Hawaii Five-O Season Overview and Broadcast Details
The fourth season of Hawaii Five-O aired from September 1970 to March 1971, consisting of 25 episodes. The series was produced by CBS Productions and Leonard Freeman Productions, and it aired on the CBS network in the United States. The show was filmed on location in Honolulu, Hawaii, and remained a staple of CBS's Friday night lineup during the 1970–1971 broadcast season. For background on the series' production structure, see the CBS Television City production history page CBS Hawaii Five-O official page.
The 1970 season continued the high-concept crime procedural format that defined the series, following the elite state police unit led by Steve McGarrett. The show's premise combined location shooting with a fast-paced narrative style, setting it apart from other police dramas of the era. The season maintained strong viewership, helping CBS retain its position as the dominant network in the Nielsen ratings during that period.
Cast, Characters, and Key Personnel in the 1970 Season
Jack Lord starred as Detective Captain Steve McGarrett, the central figure of the Five-O task force. James MacArthur played Danny Williams, McGarrett's second-in-command, while Kam Fong Chun portrayed Chin Ho Kelly, a former Honolulu police detective. The supporting cast included Al Harrington as Ben Kokua and Zulu as Kono Kalakaua, rounding out the core team of investigators.
The fourth season featured guest appearances from actors who later became major names in Hollywood, including a young Harrison Ford in an early role. The series was created by Leonard Freeman, who also served as executive producer until his death in 1974. The show's writing staff drew on real Hawaii criminal cases and law enforcement procedures to ground its storylines in authenticity.
Ratings, Legacy, and Cultural Impact of the 1970 Hawaii Five-O Season
Hawaii Five-O ranked among the top 20 programs in the Nielsen television ratings during the 1970–1971 season, reflecting its broad audience appeal. The show's theme music, composed by Morton Stevens, became one of the most recognizable television themes in American broadcasting history. The series ran for a total of 12 seasons, concluding in 1980 with 278 episodes produced.
The 1970 season contributed to the show's long-term cultural footprint, influencing subsequent crime dramas and establishing Hawaii as a distinctive television setting. The series was remade as a modern reboot that premiered on the CBS network in 2010, running until 2020. For an analysis of the original series' impact on television production and its place in broadcast history, see the Museum of Broadcast Communications overview Museum of Broadcast Communications.