Recaps

Xiaoyun defeated Tobias, Wallace, and Steven to become Kalos Champion, then returned to Twinleaf Town and reunited with his family, friends, and Pokémon. The arc ended with Palmer challenging Xiaoyun to a practice battle, as Shaymin pushed Victini forward to face Palmer’s Dragonite.

• Dawn lost her quarterfinal match to Wallace after Shaymin, Diancie, and Piplup each battled Milotic, and Xiaoyun comforted her afterward.
• Xiaoyun defeated Tobias in the quarterfinals when his Shadow Darkrai overcame Mega Darkrai and broke apart its Dark Void.
• Wallace defeated Norman, Steven defeated Paul, and Steven then beat Diantha in the semifinals.
• Xiaoyun defeated Wallace in the other semifinal after Zeraora overcame Gyarados, Whiscash, and Milotic.
• Xiaoyun defeated Steven in the final as his Pokémon overcame Steven’s team, with Bond Sceptile knocking out Metagross and securing the Kalos Championship.
• Xiaoyun returned to Twinleaf Town, visited his family and trained his Pokémon at Lina’s Day Care before joining Dawn, Zoey, Barry, and their friends for a barbecue.
• Dawn and Zoey defeated Barry and Kenny in a Double Battle, while Palmer learned that Xiaoyun planned to take on the Elite Four Challenge.
• Palmer challenged Xiaoyun to a practice battle, and Shaymin pushed Victini forward to face Palmer’s Dragonite.

Xiaoyun defeated Aaron, Bertha, Flint, and Lucian before overcoming Cynthia to become Sinnoh Champion. He then faced the Champion’s workload, while Paul joined the Elite Four and Dawn advanced to the Grand Festival finals.

• Xiaoyun drew with Palmer’s Dragonite, then arrived on Lily of the Valley Island and began his Elite Four challenge against Aaron.
• Xiaoyun defeated Aaron’s team and then overcame Bertha, winning with Bloodmoon Bear’s Bond Phenomenon.
• Xiaoyun defeated Flint after his Infernape entered Bond Phenomenon, securing his third Elite Four Challenge victory.
• Xiaoyun beat Lucian’s team, including his final Bronzong, and earned the right to challenge Cynthia for the Champion title.
• Xiaoyun’s Pokémon battled Cynthia’s team, and Bond Sceptile defeated her Mega Garchomp to make him Sinnoh Champion.
• Cynthia handed Xiaoyun her Champion’s cape and trophy, then left him to handle the Elite Four’s requests for leave.
• Xiaoyun struggled with the workload until Paul replaced Bertha as the Ground-type Elite Four member and helped with paperwork.
• Paul assigned Xiaoyun to oversee the Grand Festival finals because Dawn had qualified, and Xiaoyun accepted before fleeing Paul’s offer to spar.

Xiaoyun and Dawn traveled to Alola, where they captured Ultra Beasts and helped restore Necrozma’s light with the islanders’ help. After Dawn won the Grand Festival and Xiaoyun proposed to her, Ash became Alola’s first Champion and proposed to Serena.

• Xiaoyun supported Dawn at the Sinnoh Grand Festival, where she defeated Zoey in the final and won the Top Coordinator trophy.
• Xiaoyun and Dawn traveled to Alola to help rescue Lusamine from Nihilego, and Xiaoyun and Mewtwo fought the swarm while the rescue team freed her.
• Xiaoyun and Dawn declined to join the Ultra Guardians, but captured Buzzwole, Pheromosa, Blacephalon, and Xurkitree when the Ultra Beasts appeared.
• Necrozma fused with Solgaleo and Lunala and battled Xiaoyun, Mewtwo, Ash, and their Pokémon until Alola’s people and the Tapu guardians restored its light.
• Xiaoyun proposed to Dawn on her eighteenth birthday, and she accepted as their friends and family celebrated.
• Ash defeated Kukui and Tapu Koko to become Alola’s first Champion, then proposed to Serena, who accepted.

Xiaoyun defeated Goh, Raihan, and Alain while helping stop Eternatus and Team Galactic’s rampaging Heatran. The story left Xiaoyun observing Project Mew’s team as Mew empowered the island guardians, putting Kieran and Asahi in danger.

• Xiaoyun defeated Goh’s six Pokémon with Sneasel and warned him to treat Pokémon responsibly, while Goh left the Gym overwhelmed by regret.
• Xiaoyun and Dawn traveled to Galar, where Xiaoyun defeated Raihan’s Gigantamax Duraludon with Dynamax Buzzwole.
• Xiaoyun, Ash, Dawn, and their allies helped stop Eternatus’s uncontrolled Dynamax crisis, and Leon captured Eternatus and arrested Rose.
• Xiaoyun helped Paul capture a wild Suicune after they found Pokémon hunters polluting its lake, while Team Galactic stole the Flame Plate and unleashed a rampaging Heatran.
• Ash, Xiaoyun, and their allies freed Heatran from the lava behemoth, and Arceus reclaimed the Flame Plate, sealed the space-time rifts, and arrested Team Galactic’s commanders.
• Xiaoyun defeated Alain at Wyndon Stadium with Totem Sceptile, while Professor Hodaka’s team began Project Mew’s final mission to contact Mew.
• The Project Mew team entered a glowing cave and split up to face Regice, Registeel, and Regirock as Xiaoyun watched with Dawn and Mew.
• Mew empowered the guardians through the Tree of Beginning’s energy network, and Regirock injured Weavile and knocked Jellicent unconscious as Kieran prepared to fight back.