Sword and Shield: The Darkest Day!.Goh and Sonia travel to Turf Town to investigate some ruins that may hold a clue to the secret of Dynamax and then to Professor Magnolia's laboratory to consult with her, where Goh receives his own Dynamax Band. Ash and Leon continue battling Dynamax Pokemon, and Chairman Rose tries to lure Ash into his machinations, but Ash declines, wanting to follow his own dream (enraging Rose's assistant Oleana). Meanwhile, both Leon and Professor Magnolia are becoming suspicious of Chairman Rose...