Our heroes spot a confused flock of Pokémon and realize something isn't right, especially once an unusual aurora appears in the sky and their Poké Balls and PokéNav stop working! That's when they spot Solana, the Pokémon Ranger, who helps get the Pokémon going in the right direction. She explains that the Rangers have detected strange geomagnetic activity, and just then, the group sees a Deoxys in the sky! Could it be the source of the disturbance?

Sophocles and Vikavolt are entering a Vikavolt race! When they arrive, Sophocles learns that his rival Horacio is also competing with his newly evolved Vikavolt. The entrants get off to a rousing start, but when Sophocles enters the cave route, his fear of the dark leaves him petrified. Vikavolt offers him support, leading him to realize that if his Pokémon is determined to press on, he can be courageous as well. After an interruption by Team Rocket, the race is back on, and Sophocles wins by a nose! He receives a Buginium Z as a prize, and Hapu follows up by giving him a Z-Ring!

To prepare for the Masters Eight Tournament, Ash reunites with his many Pokémon partners to battle an old rival and get as strong as possible.

A suspicious shadow is sneaking up on Go's Smartphone Rotom in the hotel room he and Satoshi are staying at in Shoot City in the Galar region... We'll be shedding light on the info on Go's Pokémon and the top secret data on Project Mew contained within?! In addition, the radio show "A Blaze Kick After School" will be doing a special on childhood friends!!

On the eve of the finals, Ash and Goh enjoy a day off in town and run into a group of Nickit who've become popular for teaching other Pokémon to behave.

It's time for the Masters Tournament Finals, which will determine who's the best in the world, and PWCS News is doing a special that will present the finals the world is eagerly awaiting in greater detail than anywhere else! The special will provide a thorough coverage of not only highlights of Satoshi and Dande's battles, but also of the various encounters between the two! In addition, the special has obtained some exclusive news it's going to break?!

While Goh answers an emergency call from Project Mew, Ash heads into the finals of the Masters Eight Tournament, where Leon requests a full power battle.

With each competitor down to their final five Pokémon, the battle wages. Ash fights to get an advantage over Leon, who effortlessly sets the pace.

The fierce battle to determine who the strongest trainer is continues. Will Ash manage to see himself through to the ultimate victory?

The mysterious appearance of a legendary Eternatus above Wyndon Stadium grants Ash and Leon a bonus round, where it comes down to partner versus partner.

After picking up psychic energy signals, the Chasers set out to scale treacherous Table Mountain in search of Mew... but find surprises along the way.

On Faraway Island, the Chasers make a startling discovery and find themselves transported to a mysterious realm, where Goh connects with an old friend.

Goh has a new ambition to become a trainer worthy of partnering with Mew — but he's not sure how to broach the topic while camping with Ash and Chloe.

An epic battle with a legendary Pokémon reignites the fire in both Ash and Goh's hearts. But before they set out on new journeys, they must say goodbye.

While walking through the woods, Ash takes a random path that leads him to exciting encounters with many different types of Pokémon — and enemies.

Misty believes she's connected to a wild Clauncher by fate. Ash thinks his Corphish called dibs on it first. The only solution? A fishing battle!

To cheer up a heartsick Brock, Ash and his friends take him to a nearby flower field, where he gets lost chasing after a tricky Psychic-type Pokémon.

On a snowy mountaintop, Ash and the team try to help a gloomy Beartic by encouraging it to regain control of its ice powers.

Ash and friends decide to cheer on their old pal Squirtle at the Firefighting Squad Show, but the famous Pokémon's managers won't let the group say hi.

When Team Rocket causes Pikachu to get separated from the rest of his group, Ash relies on their strong connection to track down his best friend.

Ash and friends enter an ice cave as it's a shortcut to Blackthorn City. After a watery run-in with Team Rocket, Brock catches a cold and the gang finds a Pokémon Center in the cave. While a Jynx working there is taking care of Brock, Nurse Joy tells Ash and Misty that the cave is cold because of a big building working there as a refrigerator. Team Rocket finds the building and they cause trouble by reversing the structure, heating the cave and cooling the jungle outside, and make their attempt to steal the Ice-type Pokémon as well.

This is a clipshow Unaired outside of Japan of Satoshi's (Ash's) gym battles and Haruka's (May's) contest battles. The heroes are still on the boat looking towards the Grand Festival. Ash remembers all of his Hoenn Gym Battles with Roxanne, Norman, Brawly, Juan, Tate and Lisa, while May remembers her Contests with Drew, Grace, Kelly, Harley, Erica and Savannah.

A clip show unaired outside of Japan summarizing the important events of the first 47 Diamond and Pearl episodes, including Satoshi's (Ash's) victories over Hyouta (Roark) and Natane (Gardenia) and the introductions of new rivals Shinji (Paul) and Nozomi (Zoey). On their way to Hearthome City, Ash, Dawn and Brock recall their adventures together so far.

The friends travel toward Snowpoint City.

The Pokémon School has a visiting teacher: Faba! When he shows off his invention that can reduce the size of objects for easy storage, it malfunctions, and Ash, Lillie, and Sophocles are shrunk into tiny heroes! Faba recruits Rotom Dex to help him repair the machine, and meanwhile, our heroes are thrown into a world where everything is gigantic. They eventually reunite with Pikachu, who sneezes on them—causing them to return to normal size. But just when Faba thinks he’s fixed his invention, it misfires again…and the result is a towering Togedemaru!