You will watch Pokemon Season 1 Episode 37 online for free episodes with high quality. Online episode guide, Pokemon Season 1 Episode 37 Ditto’s Mysterious Mansion During a storm, Ash and his friends arrives at a mysterious Mansion. While at the Mansion, Ash met a girl with a Ditto that doesn’t transform well. Ash and his friends decide to help out the girl Deplica and her Ditto. Meanwhile, Team Rocket tries to steal the Ditto so it can transform into a Dratini which they can give to the boss.