SeaQuest DSV (stylized as seaQuest DSV and also promoted as simply seaQuest) is an American science fiction television series created by Rockne S. O'Bannon. It aired on NBC between 1993 and 1996. In its final season, it was renamed seaQuest 2032. Set in "the near future" (the year 2018 in the first season), seaQuest DSV originally mixed high drama with realistic scientific fiction. The first two seasons star Roy Scheider as Captain Nathan Bridger, designer and commander of the eponymous naval submarine seaQuest DSV 4600, the ship prefix standing for "deep-submergence vehicle".
Jonathan Brandis portrays Lucas Wolenczak, a teenaged computer genius placed aboard seaQuest by his father, and Stephanie Beacham portrayed Kristin Westphalen, the chief medical officer and head of the seaQuest science department. In the opening episode of the third season Bridger departed DSV 4600 and was replaced by Captain Oliver Hudson, played by Michael Ironside. Also present was a dolphin character called Darwin who, due to technological advances, was able to communicate with the crew.