Pokémon Mystery Dungeon: Explorers of Time & Darkness (2007)

Welcome to a world...where Pokémon, and ONLY Pokémon, live. A world where Pokémon can talk -- just like we do. Meet a boy who has mysteriously turned into a Piplup! This Piplup soon meets a Chimchar, who dreams of joining a brave Exploration Team. And at that magical moment, an exciting new adventure begins! Join us... After all, a whole new world of mystery and exploration awaits! Life is full of adventure, so get ready to explore!