Continuity mistake: When the villagers are joining the old chief on the beach, to see all the beached whales, it is raining heavily, yet his face and suit are completely dry.
Visible crew/equipment: In most of the sequences where Humpback whales are being photographed underwater, you can see the streams of bubbles that are released as the underwater crew exhales.
Continuity mistake: During the scene on the beach (with the beached whales), right after Paka has learned that it was his granddaughter that brought back the whale's tooth, there are two shots of him from the same angle with one in between. In the first shot on the hill far behind him there are two people standing there, yet in the second shot they are gone.
Paikea: A long time ago, my ancestor Paikea came to this place on the back of a whale. Since then, in every generation of my family, the first born son has carried his name and become the leader of our tribe... until now.