Ep 15. Nerves Of Steelix

Ash, Misty, and Brock have arrived in a small town near Olivine City, where a Gym Leader named Jasmine is located. Jasmine is known for her passion for Steel-type Pokemon, and rumors say that she has a rare Pokemon in her possession - a Steelix. Ash and his friends are excited to see this Pokemon in person, but they soon learn that Jasmine has disappeared from her Gym and her Steelix has gone rogue.

The trio teams up with Officer Jenny to investigate Jasmine's disappearance and find Steelix. They learn that Jasmine has left to find medicine for a sick Ampharos, leaving Steelix alone and agitated. Steelix is terrorizing the town, causing destruction and fear among the inhabitants. To make matters worse, Team Rocket is also in the town, planning to catch Steelix and use it for their own schemes.

As they search for Jasmine and Steelix, Ash and his friends encounter a young girl named Marissa, who has a strong connection with Steelix. Marissa reveals that Steelix is not aggressive by nature and is only lashing out because it is in pain. She also shows them a secret underground tunnel that leads to Jasmine's location.

They find Jasmine and convince her to return to the town to calm Steelix down. Jasmine explains that Steelix was injured in a battle and needs a special medicine to heal. Ash and his friends offer to get the medicine and bring it back to Jasmine.

As they search for the medicine, they encounter Team Rocket, who is trying to catch Steelix using a giant magnet. Ash and his friends battle Team Rocket, culminating in a showdown between Ash's Pikachu and Team Rocket's Meowth.

Meanwhile, Jasmine has returned to the town and is trying to calm Steelix down. With the help of Marissa and Officer Jenny, she is able to get Steelix back to its senses and heal its injury. Ash and his friends return with the medicine and give it to Jasmine.

With Steelix healed and calm, Jasmine is able to resume her duties as the Gym Leader. Ash and his friends battle her and her powerful Steel-type Pokemon, including the impressive Steelix. In the end, Ash is able to defeat Jasmine and win his fifth Johto Gym badge.

As they leave the town, Ash and his friends reflect on their adventure and the importance of taking care of Pokemon, no matter how strong or intimidating they may seem. They also look forward to their next challenge on their journey to become Pokemon Masters.