The Promise We Made That Day! The Houou Legend of Johto!! - S1.E9

Reports of sightings of Houou, the Legendary Pokemon Satoshi and Pikachu met long ago, in the Johto region sends Satoshi and Go to Johto in the hope of seeing it. Their journey takes them to an ancient bell tower, where they meet a boy who also wants to see Houou and his grandfather who has lost his belief in the Legendary Pokemon.