Queen of the Manta Rays

S28 E3: Andrea Marshall is a young woman on a mission. She has devoted her life to studying manta rays in Mozambique, Africa. Mantas are the largest and most highly evolved of all sharks and rays. But, as this natural history film reveals, very little is known about these graceful giants of the sea. This is the story of one woman's determination to understand and protect the mysterious manta ray.