Where To Stream Pokémon Horizons The Series Season 3 Episode 1

One year has passed since the decisive battle at Laqua. Roy, who continues his adventures with Captain Pikachu, learns of a Pokémon exhibiting unusual behavior and begins an investigation. Then, a boy named Ult appears with a Sableye... What Roy and Ult witness in the forest is a Slaking running amok due to the influence of Lacrium!? Why is Lacrium, which they thought they had destroyed, still around? Meanwhile, Riko is attending Sekiei Academy...