The episodes of the Black Lagoon anime are based on the manga series of the same name by Rei Hiroe. The episodes of the first season of the anime were directed by Sunao Katabuchi, animated by Madhouse Studios, and produced by Geneon Entertainment and Shogakukan. In the second season, known as Black Lagoon: The Second Barrage, Shogakukan was not involved in the production. The English adaptation of the episodes is licensed by Geneon Entertainment. The plot of the episodes follows the adventures of a Japanese businessman, Rokuro Okajima, after he is abducted by the members of the ship Black Lagoon and joins their crew under the moniker "Rock".
The first season aired from April 8, 2006, to June 24, 2006, on Chiba TV in Japan. The second season began airing on October 3, 2006, on KBS Kyoto, TV Nagoya, TV Kanagawa, and Sun TV, and concluded its run on December 19, 2006. The English adaptations of both seasons were aired continuously from October 26, 2007, to April 11, 2008, on G4techTV Canada; the English episodes were also broadcast in the United States from February 26, 2008, to May 13, 2008, on Starz Edge. (Full list...)