The fifth season of Hawaii Five-O premiered on September 12, 1972, and ended March 13, 1973. 24 episodes aired during this season. The Region 1 DVD was released on November 18, 2008. Herman Wedemeyer became a main cast member. This season also introduced Al Harrington as part of the main cast as police officer Ben Kokua, replacing the character of Kono (played by Zulu).
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