Air date: 1968-09-20

The first season of Hawaii Five-O, an American television series, began September 20, 1968, and ended on March 19, 1969. It aired on CBS. The region 1 DVD was released on March 6, 2007.

Air date: 1969-09-24

The second season of Hawaii Five-O, an American television series, began September 24, 1969, and ended on March 11, 1970. It aired on CBS. The region 1 DVD was released on July 31, 2007.

Air date: 1970-09-16

The third season of Hawaii Five-O, an American television series, began September 16, 1970, and ended on March 10, 1971. It aired on CBS. The region 1 DVD was released on January 22, 2008.

Air date: 1971-09-14

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.

Air date: 1972-09-12

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.

Air date: 1973-09-11

The sixth season of Hawaii Five-O premiered on September 11, 1973 and ended February 26, 1974. 24 episodes aired during this season. The Region 1 DVD was released on April 21, 2009. Creator and executive producer Leonard Freeman died during this season.

Air date: 1974-09-10

Air date: 1975-09-12

Air date: 1976-09-30

Air date: 1977-09-15

Air date: 1978-09-28

Air date: 1979-10-04