Season 1 Episode 20 : La pêche au thon

Bluefin tuna, a sought-after species that is making an astonishing comeback in the waters of the Gulf of St. Lawrence, is being fished; a phenomenon that puzzles scientists. Then, we leave to do extreme surfing on one of the most dangerous waves on the planet, in the Basque Country. Finally, in the south of France, a diver tries to unravel the mystery that still surrounds the disappearance of pilot and novelist Antoine de Saint-Exupéry.