Last in the underwater series.
The Hawaiian Islands. Divers Martha
Holmes and Mike deGruy have a breathtakingencounterwith a whale shark, the biggest fish in the ocean. But the intrepid pair came to these
Pacific islands to track down another heavyweight - the humpback whale, and their persistence pays off. A 35 ton mother with a newborn baby lingers unconcerned in front of the camera.
Producer Robin Hellier