Ash returns to amazing adventures taking place in various regions of the popular Pokémon video games! He is more determined than ever to become a Pokémon Master! Now he has chosen to partner with a new friend, Goh, who wants to collect all the Pokémon from every region! When Ash and Pikachu board the legendary Pokémon Lugia, they discover that another kid is also onboard! Meet Goh, who wants to catch all the Pokémon, including Mew! Can Ash and Goh make their lofty ambitions a reality?