Pokémon: Pikachu's Big Mysterious Adventure

When their trainers allow them to play, Pikachu and Piplup become separated from their Pokémon companions. They soon find themselves traveling with a Skitty into an unfamiliar dimension. Unbeknownst to the trio, they are being trailed. Croagunk is on their heels, as are the Pokémon belonging to Team Rocket. Also following is a Marill, who is eager to find someone to listen to her singing. The journey promises to be filled with unexpected encounters and challenges as these Pokémon navigate the strange new environment and the motivations of those who follow them. The core theme revolves around friendship, exploration, and the pursuit of individual desires.