Here are the memories Ash, Jessie, James, and Dawn have had before they released a Pokémon, gave them to someone else for training, or almost released a Pokémon and why they released them, gave them to someone else, or almost released them.
Pokémon that have been released
* Ash's memories of Butterfree in "Bye Bye Butterfree"
1. Ash catching Butterfree when he was a Caterpie in "Ash Catches a Pokémon"
2. Caterpie evolving into Metapod in "Ash Catches a Pokémon"
3. Meatpod evolving into a Butterfree in "Challenge of the Samurai"
4. Ash and Butterfree battling against Misty's Staryu in "The...
Koshi is a coastal region,based off off of Kyushu Island in japan (Here:link).The region itself sits in the oceans southwest of Kanto.As far as the land itself,it is similar to that of a Tropical forest Biome,and there are many dirt paths and forests all across the region.
All cities and towns in the Koshi region are primarily named after flowers,as a sort of nod to the variety of plant life on Koshi,and the surrounding smaller islands.The islands surrounding it are known as the Shikoku islands.
The professor of the region is named Alain(Pronounced "Allen") Hawthorn,based off of the Hawthorn...