The episode begins with Ash, Dawn, and Brock traveling through a forest in the Sinnoh region. They are excitedly discussing their next destination when they come across a mysterious old mansion. Intrigued, they decide to explore it, hoping to find something interesting inside. As they approach the mansion, they notice that it looks abandoned and eerie, with overgrown plants and a creaky door.

Once inside, the group is greeted by a strange atmosphere filled with dust and cobwebs. They split up to investigate different rooms. Ash and Pikachu head to the kitchen, where they find old appliances, while Brock and Dawn explore the living room. In the kitchen, Ash accidentally activates an old refrigerator, which causes a sudden power surge. This sparks the interest of a Rotom, a Pokémon that can inhabit electrical appliances.

As the group continues to explore, they hear strange noises and see flickering lights. They soon realize that Rotom is playing tricks on them, using its ability to possess various appliances around the mansion. The group is both frightened and fascinated by the antics of the mischievous Rotom. They try to catch it, but it evades them by switching between different appliances, including a washing machine and a lawnmower.

Brock, who is knowledgeable about Pokémon, explains to Ash and Dawn that Rotom can change forms depending on the appliance it inhabits. This information excites Ash, who is determined to catch Rotom. The group devises a plan to corner Rotom by using their Pokémon to block its escape routes. They set up a trap in the living room, hoping to catch it when it comes out of an appliance.

As they wait, Rotom appears and begins to taunt them, using its powers to create distractions and illusions. The group becomes increasingly frustrated as their attempts to catch Rotom fail. However, Ash remains determined and encourages his friends to keep trying. They finally manage to corner Rotom when it tries to escape through a window.

In a climactic moment, Ash sends out his Pokémon to battle Rotom. The battle is intense, with Rotom using its electric attacks to counter Ash's Pokémon. The group works together, coordinating their moves to weaken Rotom. After a series of back-and-forth attacks, Ash finally gets the upper hand and throws a Poké Ball at Rotom.

The Poké Ball shakes vigorously, and for a moment, it seems like Rotom might escape. However, with a final burst of energy, the Poké Ball clicks shut, indicating that Ash has successfully caught Rotom. The group cheers in celebration, thrilled by their victory. Ash is particularly excited about adding Rotom to his team.

After the excitement of the capture, the group decides to leave the mansion. As they exit, they notice that the atmosphere has changed; the mansion seems less ominous and more welcoming. They reflect on their adventure and the fun they had trying to catch Rotom. The episode ends with Ash, Dawn, and Brock continuing their journey, eager for the next challenge that awaits them in the Sinnoh region.

In the ending of "Get Your Rotom Running!", Ash and his friends successfully capture a Rotom after a series of humorous and chaotic encounters. They learn about Rotom's unique abilities and how it can inhabit various household appliances. The episode concludes with Ash and his friends leaving the haunted house, excited about their new Pokémon and the adventures that lie ahead.

As the episode nears its conclusion, Ash, Dawn, and Brock find themselves inside the eerie, old mansion that is rumored to be haunted by a mysterious Pokémon. The atmosphere is thick with suspense as they navigate through the dimly lit rooms, filled with cobwebs and creaking floorboards. The trio is determined to uncover the secrets of the mansion, particularly the elusive Rotom.

After several comedic mishaps, including a series of ghostly encounters that send them running in different directions, they finally come face to face with Rotom. The Pokémon, known for its mischievous nature, playfully zips around the room, transforming into various household appliances, such as a washing machine and a lawnmower. Each transformation showcases Rotom's unique abilities, adding to the excitement of the chase.

As Ash and his friends attempt to catch Rotom, they realize that it is not just a simple task. The Pokémon's playful antics lead to a series of humorous situations, including Brock getting caught in a washing machine and Dawn trying to use her Pokémon to help capture it. The teamwork and camaraderie among the group shine through as they strategize and support each other in their efforts.

Eventually, after a thrilling chase, Ash manages to weaken Rotom with his Pokémon. With a well-timed Poké Ball throw, he successfully captures Rotom, much to the delight of his friends. The moment is filled with joy and celebration, as they realize they have added a unique and powerful Pokémon to their team.

As the episode wraps up, the group exits the mansion, still buzzing with excitement from their adventure. They reflect on the fun they had and the new addition to their team, looking forward to the challenges and battles that await them in their journey. The camera pans out, showing the haunted mansion in the background as they walk away, ready for their next adventure.

In this final scene, Ash, Dawn, and Brock are left with a sense of accomplishment and anticipation. Ash has successfully captured Rotom, adding a new dynamic to his team. Dawn and Brock share in the excitement, reinforcing their bond as friends and companions on this journey. The episode closes with a sense of wonder and the promise of more adventures to come, leaving viewers eager for the next installment of their journey.

In the episode "Get Your Rotom Running!" from Pokémon's season 12, there is no post-credit scene. The episode concludes without any additional scenes or content after the credits roll. The story wraps up with Ash and his friends reflecting on their adventure with Rotom, and the episode ends as they continue on their journey.

Ash, Dawn, and Brock arrive at a spooky old mansion where they hear rumors of a ghostly Pokémon. They decide to explore the mansion, leading to a series of humorous and spooky events.

Rotom initially plays tricks on Ash and his friends, causing chaos in the mansion. It uses its ability to possess various appliances, leading to comedic situations as the group tries to catch it.

The appliances that Rotom possesses include a washing machine, a refrigerator, and a lawnmower, each showcasing Rotom's unique abilities and adding to the humor and challenges faced by Ash and his friends.

Ash and his friends devise a plan to capture Rotom by using their Pokémon to battle it while trying to figure out how to deal with its mischievous antics.

Team Galactic makes a brief appearance in the episode, hinting at their ongoing plans and connection to the mysterious happenings in the area, adding an element of intrigue to the story.

In the episode "Get Your Rotom Running!" from Pokémon's Diamond and Pearl: Galactic Battles, there are a few scenes that might be considered slightly unsettling for very young or sensitive viewers.

1. Ghostly Themes: The episode features a Pokémon, Rotom, that has ghost-like characteristics. This may be perceived as spooky or eerie, especially in scenes where it interacts with the environment in a mischievous manner.

2. Chase Scenes: There are moments of tension where characters are chased or startled by Rotom, which could be a bit intense for younger viewers.

3. Mischief and Mayhem: Rotom causes some chaos in the episode, leading to situations that might be seen as troublesome or disruptive, which could be concerning for some children.

Overall, while the episode maintains a light-hearted tone typical of the Pokémon series, these elements may require parental guidance for very young or sensitive viewers.