Gone with the Windworks!
The two Johto trainers decide to join Ash, Dawn, and Brock on their journey. While on the way to Dawn's next contest, the group stops near the Valley Windworks for Dawn to do some training. When Marill goes missing, the group heads into the windworks to find it, but once inside they are attacked by wild Pokémon and become trapped. Will they be able to escape the building?
Aired 17/09/2009EP 144 - Gone with the Windworks!
2006
Pokémon the Series: Diamond and Pearl
After defeating Brandon and declining the offer to be a Frontier Brain, Ash sets off to travel through the far away land of Sinnoh. Once he gets there, he meets up with Hikari, a local trainer from the region, and they decide to travel together.