The animated series (known in some regions as Grad or Dubina ) focuses its fourth season on a high-stakes quest involving the Nekton family's search for their long-lost grandparents. The Season 4 "Deep Story"
: The Nektons follow a global pattern involving a massive, fast-moving Nautilus creature. It is believed this creature holds a "key" necessary to restore balance to the world's oceans. Grad - 4. sezona
: The quest takes the family to unexplored underwater territories where they face escalating dangers while uncovering the history of the "Lemurians" and their technology. Series Production Details Episodes : Season 4 consists of 13 episodes . The animated series (known in some regions as
: In the season finale, titled "The Inside Story," the family makes a major breakthrough regarding the Nautilus's true purpose and its connection to their grandparents' disappearance. : The quest takes the family to unexplored
: The season was a co-production involving companies from Australia, the UK, and Singapore.
The overarching narrative of Season 4 centers on discovering new evidence that suggests their grandparents, who vanished years earlier, might still be alive. This leads to several key plot points: