On an island nation in the Indian Ocean, the explorers venture through a vast underwater world and take part in a friendly robotics competition.
In this life-or-death showdown, Cruz witnesses the ultimate sacrifice and uncovers a hidden message that makes him question his own mortality..
There, Cruz is confronted by a familiar foe who\'s determined to stop him from completing his most important mission of all: Retrieving the final pieces of his mother\'s cipher.
Meanwhile, the team follows the Cruz\'s mother\'s clues to a magnificent tomb and center of spirituality precariously perched on the side of a cliff.
Suddenly, Team Cousteau jumps into action to rescue a faculty member from the brink of death.
But the tides of good fortune change quickly.
On an island nation in the Indian Ocean, the explorers venture through a vast underwater world and take part in a friendly robotics competition
