with 3 episodes premiered on Invalid Date

with 25 episodes premiered on September 20, 1968

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.

with 25 episodes premiered on September 24, 1969

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.

with 24 episodes premiered on September 16, 1970

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.

with 24 episodes premiered on September 14, 1971

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.

with 24 episodes premiered on September 12, 1972

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.

with 24 episodes premiered on September 11, 1973

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 exec… see more

with 24 episodes premiered on September 10, 1974

with 24 episodes premiered on September 12, 1975

with 24 episodes premiered on September 30, 1976

with 24 episodes premiered on September 15, 1977

with 22 episodes premiered on September 28, 1978

with 20 episodes premiered on October 4, 1979