This extraordinary production follows a group of researchers to the remote reaches of the Galapagos archipelago. Their goal is to understand one of the most sensational migrations on Planet Earth: the passage of hundreds of giant pregnant female whale sharks along a narrow reef. Find out what the scientists learn from these dinosaurs of the sea as they brave dangerous currents off Darwin Island.

This extraordinary production follows a group of researchers to the remote reaches of the Galapagos archipelago. Their goal is to understand one of the most sensational migrations on Planet Earth: the passage of hundreds of giant pregnant female whale sharks along a narrow reef. Find out what the scientists learn from these dinosaurs of the sea as they brave dangerous currents off Darwin Island.