Le Problème de Pikachu

Sacha and Pikachu are impatient to visit the Unys region: here, there must be lots of Pokémon they have never seen! But Team Rocket had the same idea, and these dirty Pokémon thieves are trying once again to steal Pikachu. Fortunately, the little yellow Pokémon is usually very good at defending itself. However, since a mysterious incident, Pikachu seems weak...