Crayon Shin-chan Movie 03: Unkokusai's Ambition

The Nohara family is visited by a Time Patrol member who has been sent to investigate a disturbance in Japan in 1570, but ends up stuck in their home. The family agrees to help her, and together they travel back in time to meet Fubuki-maru, a samurai who believes they are the legendary three persons and dog that will aid him. Fubuki-maru asks for their assistance in defeating Unkokusai, a lord with mysterious powers.