The web series returns for a fourth season, focused on the Basque Country, on the occasion of the World Cup in France. The fourth season revolves around the bonds that are created between opponents on a field.

We go to South Africa, New Zealand, Madagascar in this "Favorable Terrain" where we also meet the South African world champion Siya Kolisi, the legend Dan Carter or Imanol Harinordoquy. The viewer follows these sequences, a real advertisement for the beauty of the landscapes of this region of the Southwest, with the voice of Jonny Wilkinson as the French-speaking narrator.