Bilingual children's adventure series in Spanish English. In the sixth episode of William Worm’s adventures, Virgil Virus threatens to destroy the tunnel network system that would be a disaster not only for the worms but for the entire forest, and William Worm, the renowned tunnel engineer, has to think fast and negotiate with the villain. Join William, his brother Robert, and the rest of the worms in their effort to sustain the forest and save the world.