: 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 Inside Story | The Deep Season 4 Ep 13 | HD Full Episode Grad - 4. sezona
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: : In the season finale, titled "The Inside
: The season was a co-production involving companies from Australia, the UK, and Singapore. : In the season finale