The first season of Hawaii Five-O, an American television series, began September 20, 1968, and ende...
The second season of Hawaii Five-O, an American television series, began September 24, 1969, and end...
The third season of Hawaii Five-O, an American television series, began September 16, 1970, and ende...
The fourth season of Hawaii Five-O, an American television series, began September 14, 1971, and end...
The fifth season of Hawaii Five-O premiered on September 12, 1972 and ended March 13, 1973. 24 episo...
The sixth season of Hawaii Five-O premiered on September 11, 1973 and ended February 26, 1974. 24 ep...