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.

Everyone is excited when the Masked Royal announces a meet and greet at the mall! But things get complicated when Professor Burnet and Ash want to take Professor Kukui to the event… Kukui enlists Molayne’s help to switch places and keep his secret. But James and Faba, who are both big fans, catch Molayne “stealing” the royal mask and tie him up. Unfortunately, a rival shows up for a revenge match, forcing Faba to don the mask and take to the ring! It all works out in the end—Molayne escapes and helps Kukui get his mask back, the rival is defeated, and the Masked Royal’s secret identity is safe!

With three Pokémon left on each side during the Alola Pokémon League’s exhibition match, Ash’s Naganadel is up against Professor Kukui’s Lucario. A strategic Dragon Pulse lands another win for Ash—and the first-ever battle victory for Naganadel! Then, it’s Torracat’s rematch with Incineroar. The flames burn hotter than ever, and when the smoke clears, Torracat is on top! Triumphant, it suddenly evolves and becomes an Incineroar itself! But all the excitement leaves it too exhausted to continue. Just as Professor Kukui is about to send out his final Pokémon, Tapu Koko appears—and decides that it wants to battle Ash instead! Just how will Ash approach this history-making matchup?

As the Alola Pokémon League’s exhibition match nears its conclusion, Tapu Koko appears—it wants to team up with Professor Kukui and battle Ash! Our hero responds by sending out Naganadel, and the clash of Island Guardian and Ultra Beast powers is an amazing sight. But Tapu Koko manages to overpower Naganadel, so Ash turns to Pikachu, his last Pokémon standing! Tapu Koko raises the stakes as it and Professor Kukui unleash a legendary Z-Move reserved for Island Guardians, but Ash and Pikachu rise to the challenge with their own Z-Move: 10,000,000 Volt Thunderbolt! Once the dust clears, Tapu Koko falls, and Ash and Pikachu are victorious!

With the Alola Pokémon League behind them, our heroes are deciding how to spend their upcoming vacation! Kiawe is determined to finally have an all-out battle against Ash, while Sophocles is going to take the first steps toward his dream of becoming an astronaut. Lana plans to help her dad with his ocean research, and Mallow wants to create a menu for Pokémon at the Family Restaurant. Meanwhile, Lillie continues her efforts to awaken Magearna…and succeeds! But what about Ash? After receiving some wise advice from Olivia, he decides to explore the world—first stop, Pallet Town!

As their vacation approaches, our heroes’ plans move closer to reality! Kiawe has decided to assist Olivia with her kahuna duties, while Lana, Mallow, and Sophocles continue to work toward their own goals. Now that Magearna is awake, Lillie and her family are setting out to find Mohn, and Ash is embarking on a new adventure of his own—he wants to see new places and meet new Pokémon! The Pokémon School class, Professor Kukui, and Professor Burnet are sad to see him leave Alola, but they wish him all the best for the future. And with Team Rocket also departing Alola, just what might that future hold?

A mysterious Eevee runs away from the Eevee Evolution Laboratory and meets Chloe. Meanwhile, Team Rocket makes a plan to steal some students' Pokémon.

Ash, Goh and Chloe head to the Galar region to investigate some of its unusual fossils. The on-site researchers want to reconstruct the ancient Pokémon.

Investigating an outbreak of Geodude in Rock Tunnel, Ash and Goh meet a trainer who accepts Ash's challenge to a World Coronation battle with Gurdurr!

When Professor Cerise's former student asks for help with some Diglett and Dugtrio wreaking havoc on his farm, Goh, Ash and Chloe go check it out.

Hearing rumors that the legendary Suicune has been spotted at a lake, Ash and Goh travel to the Johto region, where they find a human polluting plot.

Goh and Ash visit the set of a popular spy movie. When the film's Inteleon star cinematically foils a Team Rocket attack, Goh's Sobble is inspired.

Chloe, Ash and Goh head to Glimwood Tangle to learn more about Galarian Ponyta and Rapidash. Separated in the forest, they have storybook adventures.

After hearing about Wikstrom of the Kalos Elite Four, Ash and Goh travel to his castle to take his test alongside their Farfetch'd and Scyther.

While Ash and Goh take advantage of a cold snap to search for Ice Pokémon, Chloe enjoys some girls' time with lab assistant Chrysa at her apartment.

When Team Rocket's Pelipper dispenses too many Gulpin from the Prize Master, trouble rolls through Vermilion City. Then, the race is on with Chewtle!

Goh finds a Grookey in the lab and tries to capture it, only to learn it belongs to someone else. To locate its owner, he and Ash set out on a search.

Ash runs into Rinto, who's also in the World Coronation Series, at the Pokémon Center. He and Farfetch'd challenge Rinto and Gallade to a rematch!

Goh and Ash offer to help handyperson Multa after her partner is injured. Out on the job, they cross paths with Team Rocket and their latest plot.

Goh's Sobble evolves into a Drizzile. But for some reason, it withdraws to a cave in Cerise Park, much to Goh's consternation.

Chloe, Ash and Goh head to Hoenn to meet race champion trainer Kiley and his Vaporeon. At his suggestion, they enter the Kids Marine Athletic Race.