"SeaQuest DSV" is a science fiction television series that aired from 1993 to 1996. The show is set in the near future and follows the crew of the underwater exploration vessel, the SeaQuest DSV. The series combines elements of adventure, drama, and environmental themes as the crew navigates the ocean's depths and encounters various challenges. The main character, Captain Nathan Bridger, played by Roy Scheider, leads a diverse team that includes scientists, military personnel, and a dolphin named Darwin. The series explores issues such as marine conservation, technology, and human interaction with the ocean, making it a unique blend of entertainment and education.