Synopsis

On Melemele Island once more, Ash watched a dazzling fireworks display with his classmates from Pokémon School. As the show neared its conclusion, an unusual creature began generating fireworks of its own – by detonating its head in a spectacular burst. The following day, Lusamine summoned the Ultra Guardians to address this new Ultra Beast. When Ash and his friends pursued it, they encountered a second Ultra Beast, and the two creatures engaged in a chaotic battle, showering the area with firew