Ookido Yukinari-hakase

Hikari is a 10-year-old girl that wants to be a top coordinator just like her mother. She receives her starting Pokémon, Pochama, after saving it from an Ariados's attack. Meanwhile, after conquering the Battle Frontier and motivated by his old rival Shigeru, Satoshi sets off to the far away land of Shin'ou. Once there, he meets Hikari and is reunited by his old friend Takeshi…

After winding up in the middle of the battle between Giratina and Dialga, Shaymin somehow reached the place where Satoshi (Ash) and his friends are taking a break... But with the battle going on in the Torn World, also known as the Reverse World, they somehow got involved, leading to a more complicated case than they ever imagined...

Celebi is a mysterious Pokemon, that can travel through time. While escaping from a Pokemon Thief, he transcends through time accidentally bringing a boy named Yukinari with him 40 years into the future. Ash and the gang meet Yukinari and Celebi and heard his story about traveling through time, but even 40 years in the future, there are still some who wants Celebi for themself…

The Pokemon master Ash must rescue his mother from the encasement of a crystal tower.

Pokémon Trainer Satoshi has a new plan: see the world! But first, he and his partner Pikachu are headed to the opening of the Cerise Laboratory, a research facility dedicated to uncovering the mysteries of Pokémon in every region. Ash meets Gou, another boy with boundless curiosity about Pokémon, and both are overjoyed when Professor Sakuragi asks them to become official…

The XY series is based on the events of the Generation VI games. As with the previous three series, the XY series begins with only Ash Ketchum heading off to a new region with his Pikachu; his previous companions, Iris and Cilan, have left the series. Ash's journey through the Kalos Region begins in Lumiose City, and soon he will be joined by Serena, Clemont, and Bonnie.

Pokémon or Pocket Monsters (often referred to as Pokemon: Gotta Catch Em All to distinguish it from the later series) tells the adventures of Ash Ketchum (Satoshi in the original Japanese version) as he travels through Kanto, the Orange Islands, and Johto to become the greatest Pokémon Master. For the English language release, Pokémon was split into four separate series…

One day, Red, a boy filled with dreams of going on a Pokemon journey, is called to Professor Ookido's lab. There, Professor gives him and his rival Green a Pokedex in order to collect data on all of the Pokemon in the region. As Red works his way to become champion with his Hitokage, he meets many people on his journey, including Fuji Roujin, a man who runs the home for…

The mini-saga follows Satoshi venturing into an archipelago of islands called the Decolora Islands with Iris and Dent. Source: Bulbapedia