7211

A nuclear submarine crashes outside the station, and the crew of Sealab (in a rare occurrence) must work quickly to stop an environmental disaster from happening. The only "serious" episode in the show, this was an original episode of Sealab 2020 which was redubbed by the 2021 voice actors, with approximately half of the original episode's footage excised to fit the shorter running time. The end is also modified. The episode's title derives from the sequence number of the original episode its footage comes from.

Characters/Cast:

 * Captain Hazel "Hank" Murphy (Harry Goz)
 * Debbie DuPree (Kate Miller)
 * Derek "Stormy" Waters (Ellis Henican)
 * Dr. Quentin Q. Quinn (Brett Butler)
 * Marco Rodrigo Diaz de Vivar Gabriel Garcia Marquez (Erik Estrada)
 * Crew of the Aquarius (Dave Roberts and Adam Reed)

Trivia

 * This episode was created to show the fans how boring the original show was.