Ep 11. A Rivalry Revival

Ash and his friends travel to the Johto region where they reunite with an old rival, Gary Oak. As they catch up, they discover that Gary has become stronger and is now one of the top trainers in the region. He challenges Ash to a battle, and although Ash is hesitant at first, he eventually agrees.

The battle begins with Ash using his Pikachu while Gary uses his Umbreon. The battle is intense and both trainers are evenly matched, but in the end, Pikachu emerges victorious. Gary is impressed with Ash's growth as a trainer and commends him on his skills.

Throughout the episode, Ash and Gary continue to have friendly competitions while their respective Pokemon battle against each other. They also meet a new trainer named Casey who is a huge fan of baseball and Pokemon. She challenges Ash to a battle and the two engage in a fierce match.

Meanwhile, Team Rocket is up to their usual antics as they try to steal Pokemon. They attempt to steal a group of Slowpoke but end up getting captured by a mysterious new character named Harrison.

The episode comes to a close as Ash and his friends say goodbye to Gary and head off to their next adventure.