Recaps

Li Wei helped Alola establish its League and choose Gym Leader candidates while Ash trained Rockruff and challenged Tapu Koko. After sweeping Iris in a livestreamed battle, Li Wei arranged for her to evolve Ursaring into Ursaluna, and Iris planned to visit Alola to battle Ash.

• Cynthia proposed publicizing Ursaluna research and offering Peat Blocks to selected Trainers, then announced the joint research program.
• Li Wei won the Alola race and pancake competition, and arranged to donate his Poffin supply to a Hau'oli City orphanage.
• Ash trained Rockruff to use Rock-type energy, helping it defeat Magmar before catching it as his partner.
• Li Wei created Rainbow Perfect Pokéblocks and shared them with his Pokémon, then helped Alola establish its League and select Gym Leader candidates.
• Ash and Pikachu defeated Lance's Dragonite, then challenged Tapu Koko and lost after Pikachu unleashed Gigavolt Havoc.
• Li Wei swept several opponents in Battle Tower livestreams before defeating Iris six to zero in their six-on-six battle.
• Iris revealed she had come to evolve her Ursaring, and Li Wei arranged for her to perform the ceremony at Moonview Hills on the next full moon.

Li Wei helped the Alola students prepare for Gym battles, investigated ancient Kubfu Eggs, and supported projects ranging from Hisui Goodra research to a successful game launch. The story left him accompanying Ash and the others on an Akala Island field lesson and celebrating at the Wela Volcano festival.

• Iris’s Ursaring evolved into Ursaluna under the moonlight, and Iris thanked Cynthia before embracing it.
• Li Wei returned to Alola, taught the students about Z-Moves, and joined Professor Kukui in announcing the region’s new Gym challenges.
• Ash defeated Kahili’s Altaria to earn the Navigation Badge, while Li Wei taught Kiawe to use Sunny Day so Turtonator could defeat Pelipper and earn the Horizon Badge.
• Gladion challenged Ash and Rockruff to a beach battle, then ended the match after Lycanroc overwhelmed Rockruff’s attacks.
• Li Wei helped uncover and revive two ancient eggs linked to Kubfu, agreed to care for them, and organized research into Hisui Goodra at Jubilife Pokémon Theme Park.
• Li Wei dealt with attacking Morelull in Alola and helped launch Pokémon FireRed and Pokémon LeafGreen, which broke sales and player records.
• Professor Kukui announced the Alola League, and Li Wei signed up for the Master League before taking the students to Akala Island for outdoor lessons.
• Olivia led the students on a Stoutland treasure hunt, where Lana found a Z Crystal and Lillie overcame her fear of riding Stoutland, and Li Wei then joined the group at the Wela Volcano festival.

Ash completed Olivia’s Akala trial, witnessed Rockruff evolve into Dusk Form Lycanroc, and began his Master League journey while Li Wei expanded his research and helped Mallow pursue cooking. After the group’s Kanto visit, Ash received Cosmog from Solgaleo and Lunala, and the arc left Lusamine arriving at Professor Kukui’s house.

• Ash and Mallow defeated Totem Lurantis during Olivia’s ingredient-gathering trial, then made Akala Curry that restored strength and awakened potential.
• Ash defeated Olivia’s Probopass to earn a Rock-type Z-Crystal, then searched with Olivia and the others until Rockruff evolved into Dusk Form Lycanroc at the Ruins of Life.
• The Masked Royal defeated Hala in the opening match, and Ash won his Master League debut against Kahili with Pikachu, Greninja, and Charizard.
• Ash and his classmates visited Professor Oak’s Laboratory, explored the Backyard, and searched the Back Mountain for Kiawe’s missing Marowak and Lana’s Popplio.
• Li Wei and the professors planned research into Goomy, special Rockruff, and fossils, while Kiawe excavated Kabuto and Dracozolt fossils at Grand Sableye Canyon.
• Mallow told Li Wei she wanted to become a professional chef, accepted his offer to train as his apprentice in Jubilife City, and received her family’s support.
• Ash dreamed that Solgaleo and Lunala entrusted Cosmog to him, then found the sleeping Pokémon in the forest and brought it to school, where Lillie named it Nebby.
• Li Wei fed the crying Nebby Pokéblocks as Lusamine’s team investigated ultra energy, and Lusamine arrived at Professor Kukui’s house and reunited with Lillie.

Ash and his friends formed the Ultra Guardians to respond to Ultra Beasts, while Cosmog evolved into Solgaleo and left for Ultra Space. The arc ended with Litten evolving into Torracat during its rematch with the Masked Royal’s Incineroar.

• Professor Burnet identified Cosmog as a likely Ultra Beast, and Lusamine entrusted it to Ash after Li Wei vouched for him.
• Ash met Gladion and Silvally, learned that Nihilego had traumatized Lillie, and helped Lillie begin recovering her memories.
• Li Wei and Lance arrested Faba for abducting Cosmog and opening an Ultra Wormhole without authorization, then helped establish the Ultra Guardians under League oversight.
• Ash, Lillie, Kiawe, Mallow, Sophocles, and Lana trained as Ultra Guardians, and Li Wei and Hoopa won the Mount Lanakila sled-jumping competition.
• The Ultra Guardians captured Buzzwole after it battled Pokémon around Alola, and Sophocles sent it back to Ultra Space.
• Cosmoem evolved into Solgaleo at the Altar of the Sunne, then departed through an Ultra Wormhole after Ash said goodbye.
• Professor Kukui and Professor Burnet married, and Ash later watched the Masked Royal battle with Incineroar at the Battle Royal Dome.
• Litten lost to Incineroar, trained with Ash and Li Wei, then evolved into Torracat during their rematch and struck Incineroar with Flame Charge.