Chapter Summaries

Gary, Rosa, and Hilda told their friends in Alola that they were leaving to continue their travels, prompting the group to arrange a farewell party at Aether Paradise. That evening, someone suddenly appeared in front of the three at their home, and they recognized the figure with surprise.

• Gary, Rosa, and Hilda told Professor Kukui, Lillie, and the others that they planned to leave Alola soon, and their friends reluctantly accepted their decision.
• Professor Kukui and Principal Chengye encouraged everyone to support the trio, and their friends wished them success as Trainers.
• Mallow proposed a farewell party, and Lusamine offered to host it at Aether Paradise; the group agreed to gather there the following day.
• Lusamine, Professor Burnet, and Wicke left to prepare, while Professor Kukui, Lillie, and the others volunteered to organize the party.
• That evening, Gary, Rosa, and Hilda encountered a figure outside their home and reacted with surprise when they recognized them.

Gladion challenged Gary to a three-on-three battle before Gary left Alola, hoping to measure the gap between them. Their first match began with Gary's Electivire facing Gladion's Weavile, and the battle was still underway.

• Gladion stopped Gary, Rosa, and Hilda outside their home and asked Gary for a battle before he left Alola.
• Gary accepted Gladion's challenge, and the four of them went to a secluded clearing for a three-on-three match.
• Gary sent out Electivire, while Gladion chose Weavile as his first Pokémon.
• Weavile used Quick Attack, but Electivire stopped its charge with Stomping Tantrum and followed with Thunderbolt, which Weavile dodged using Agility.
• Gary had Electivire use Bulk Up, then Weavile fired a Shadow Ball that Electivire split apart with a slash.

Gary defeated Gladion’s Weavile with Electivire, then sent Aggron to battle Gladion’s Lycanroc. Aggron also defeated Lycanroc, leaving Gladion with only his remaining Pokémon.

• Gary used Electivire’s Motor Drive to absorb its own Thunderbolt, then defeated Gladion’s Weavile with Thunder.
• Gladion sent out his Midnight Form Lycanroc, and Gary switched Electivire for Aggron.
• Lycanroc’s Rock Throw failed to damage Aggron after Gary ordered Iron Defense.
• Aggron overpowered Lycanroc’s Fire Punch with Brick Break, then struck it with Flash Cannon after Gary identified its true body among its Double Team clones.
• Lycanroc collapsed in front of Gladion after the second Flash Cannon hit.

Gladion conceded his battle against Gary after recognizing the difference in their strength and refusing to further injure Lycanroc. Gary advised Gladion to travel to other regions, and Gladion left, still burdened by an unresolved matter.

• Lycanroc struggled back to its feet after Aggron knocked it down, but Gladion conceded the match to protect his badly injured Pokémon.
• Gladion explained that his Type: Null could not match Gary and recalled Lycanroc to rest.
• Gladion thanked Gary for the battle, and Gary encouraged him to keep training.
• Gary suggested Gladion travel to other regions, but Gladion said he would leave later, not now.
• Gladion departed into the night, and Gary recognized that he still had not forgotten the matter weighing on him.

Gary, Rosa, and Hilda attended a farewell party at Aether Paradise before spending one last day in Alola. They departed from Hau'oli City as Lusamine, Lillie, and their other friends watched, with Lusamine and Lillie believing they would return someday.

• Gary attended the farewell party with Rosa and Hilda, but Gladion did not appear despite receiving an invitation.
• Lillie and the other young guests gathered around Cosmog while Gary reflected on leaving Alola and Lusamine reassured him they would meet again.
• Gary spotted four familiar figures and returned to the party in high spirits, which continued late into the night.
• After resting for one more day, Gary, Rosa, and Hilda went to Hau'oli City airport, where their friends gathered to see them off.
• Lusamine and Lillie watched the plane disappear and said they believed Gary and the others would return to Alola.

Gary, Rosa, and Hilda returned to Unova and traveled from Castelia City to their hometown of Aspertia City. Rosa hesitated nervously at her family’s door, and the three heard a strange noise just as she was about to ring the bell.

• Gary, Rosa, and Hilda arrived in Castelia City and left the airport after onlookers stared at Gary with his two girlfriends.
• Rosa and Hilda led Gary to the harbor, and the three boarded a ship to Aspertia City.
• Rosa felt both eager and nervous upon arriving home, and Gary comforted her.
• The three reached the houses shared by neighboring families, and Hilda explained that her mother was waiting at Rosa’s house.
• Rosa reached for the doorbell, but a strange noise caught their attention.

Gary returned home with Rosa and Hilda and won over both mothers, who showered him with attention while their daughters were neglected. The mothers went to cook Gary dinner, and Rosa and Hilda were called to help them.

• Rosa's mother opened the door, ignored Rosa's attempted hug, and warmly welcomed Gary inside.
• Hilda's Mother also greeted Gary enthusiastically, leaving Hilda feeling as neglected as Rosa.
• Rosa's mother and Hilda's Mother questioned Gary about his life and family, then relaxed when they learned he was Professor Oak's grandson.
• Rosa complained that she and Hilda were hungry, but her mother offered to make dinner for Gary instead of them.
• Rosa and Hilda prepared to pounce on Gary, but their mothers called them into the kitchen to help cook.

Gary, Rosa, and Hilda returned to the Kanto Region and headed for Fennel Valley to watch Ash challenge Brandon. Ash learned that defeating Brandon could make him a Battle Frontier Brain Candidate, just as an unexpected voice arrived at the Pokémon Center.

• Rosa and Hilda brought Gary back to the Kanto Region after spending only one day at home, then agreed to travel with him to Sinnoh for the Lily of the Valley Conference.
• Gary, Rosa, and Hilda flew from Castelia City to Viridian City and chose to visit Fennel Valley instead of returning to Pallet Town.
• Gary explained that Ash was preparing to challenge Brandon, the Battle Pyramid's Frontier Brain, and the three set off for Fennel Valley.
• After losing twice to Brandon, Ash trained with his original partners and returned to the Pokémon Center with Brandon.
• Scott told Ash that defeating Brandon would make him a Battle Frontier Brain Candidate, but an unexpected voice interrupted them.

Gary, Rosa, and Hilda returned to Fennel Valley and joined Ash, Professor Oak, Scott, and Brandon at the Pokémon Center. Ash learned that defeating the Battle Frontier could make him a Brain Candidate, then reaffirmed his goal of beating Brandon in the final Battle Pyramid challenge.

• Gary, Rosa, and Hilda arrived in Fennel Valley and greeted Professor Oak, Ash, and the others.
• Rosa explained that the three had come to watch Ash challenge the Battle Pyramid, and Ash confidently promised he would win.
• Scott explained that Trainers who conquered the Battle Frontier could become Brain Candidates and invited Gary, Rosa, and Hilda to compete, but they declined because they planned to challenge the Sinnoh League.
• Max wondered whether a Brain Candidate could run a Battle Frontier facility, but Ash said his only goal was to defeat Brandon.
• Gary, Rosa, Hilda, and Professor Oak encouraged Ash to do his best in his upcoming match.

Ash defeated Brandon in a four-on-four battle, earned the Symbol of Bravery, and declined Scott’s offer to become a Frontier Brain. He challenged Gary again, and their three-on-three battle began the following morning in the Battle Pyramid, with Sceptile facing Gary’s Tyranitar.

• Ash’s Charizard, Bulbasaur, Squirtle, and Pikachu defeated Brandon’s Pokémon, earning Ash the Symbol of Bravery and clearing the Battle Frontier.
• Scott offered Ash the title of Frontier Brain Candidate, but Ash declined because he wanted to keep traveling and meeting Pokémon.
• Ash challenged Gary to another battle, and Gary agreed to fight the next day so Ash’s exhausted Pokémon could rest.
• Brandon invited Gary and Ash to battle in the Battle Pyramid, where the referee announced a three-on-three match.
• Ash sent out Sceptile, and Gary answered with Tyranitar as the battle began.

Ash’s Sceptile was defeated by Gary’s Tyranitar, and Gary then sent out Blastoise to face Ash’s Charizard. Blastoise’s Hydro Pump overwhelmed Charizard, but Charizard got back up and remained ready to fight.

• Ash ordered Sceptile to attack Tyranitar, but Gary had Tyranitar withstand Leaf Blade, grab Sceptile, and knock it out with Flamethrower.
• The referee declared Tyranitar the winner, and Ash sent out Charizard.
• Gary recalled Tyranitar and sent out Blastoise, which answered Ash’s Flamethrower with Hydro Pump.
• Blastoise’s Hydro Pump broke through Charizard’s attack and knocked Charizard to the ground.
• Brandon recognized that Blastoise had reached Elite Four Level, and Professor Oak praised Gary’s growth.
• Charizard stood back up after Ash checked on it, and Ash prepared to continue the battle.

Gary defeated Ash’s Charizard with Blastoise, then sent out Umbreon to face Pikachu. Pikachu dodged Umbreon’s attacks and charged at it with Wild Charge, leaving their match unresolved.

• Gary ordered Blastoise to fire rapid Water Guns at Charizard, which took flight and dodged while closing in.
• Ash ordered Charizard to use Steel Wing, but Gary had Blastoise withdraw into its shell and combine Rapid Spin with Hydro Pump, knocking Charizard out.
• Ash recalled Charizard and sent out Pikachu, while Gary chose Umbreon.
• Pikachu’s Thunderbolt was blocked by Umbreon’s Shadow Ball, and Umbreon struck Pikachu with Pound after the two Pokémon raced around the field with Quick Attack.
• Umbreon fired rapid Shadow Balls, which Pikachu dodged with Quick Attack before Ash ordered it to attack with Wild Charge.

Gary defeated Ash in their Pokémon battle, then urged him to think strategically and not blame himself for his Pokémon’s losses. After reflecting, Ash regained his determination and accepted Gary’s challenge to meet again in the Sinnoh Region.

• Gary used Umbreon’s Dig and Shadow Ball to defeat Pikachu, and the referee declared Gary the winner.
• Gary gave Ash a Healing Potion for Pikachu and teased him about losing, then advised him to think before acting in battle.
• Gary left Ash alone to reflect while Professor Oak led the others away.
• That night, Ash told Gary he felt he had held Pikachu and his other Pokémon back, and Gary reminded him that they fought for his dream.
• Ash recovered his resolve and vowed to defeat Gary someday, and Gary said he would wait for him in the Sinnoh Region.

After learning about Sinnoh, Ash rushed there by ship after briefly returning home, while Gary, Rosa, and Hilda prepared to follow by plane. Gary left several Pokémon at Professor Oak’s lab to help them overcome their strength bottleneck, and the trio set off for Sinnoh with a reminder to collect their Pokédexes from Professor Rowan.

• Gary told Ash about Sinnoh’s Gyms, the Lily of the Valley Conference, and its Pokémon, prompting Ash to decide he wanted to travel there.
• Gary reminded Ash to see May, Max, and his mother, and Ash later saw May and Max off, sent Brock to Pewter City, and returned to Pallet Town.
• After resting at home for one day, Ash boarded a ship for Sinnoh, leaving Aunt Hanako worried about his safety.
• Rosa urged Gary to depart, and Gary agreed that he, Rosa, and Hilda would leave for Sinnoh the next morning by plane.
• Gary explained to Professor Oak that Tyranitar, Aggron, Electivire, and Aerodactyl were staying at the lab to build strength and pursue a breakthrough.
• Gary, Rosa, and Hilda set off for Sinnoh, and Professor Oak reminded them to collect their Pokédexes from Professor Rowan.

Gary, Rosa, and Hilda traveled to Sinnoh and set out from Jubilife City toward Sandgem Town. On the way, they rescued Dawn, Piplup, and Pikachu from Team Rocket, and the trio attacked Gary and his friends.

• Gary, Rosa, and Hilda arrived in Jubilife City, rested overnight, and left for Sandgem Town the next morning.
• Dawn received Piplup from Professor Rowan and began her journey through Sinnoh.
• Dawn tried to protect Pikachu from Team Rocket, but Jessie’s Seviper trapped Piplup while Pikachu was too injured to fight.
• Gary, Rosa, and Hilda arrived and startled Team Rocket, while Pikachu escaped and leaped into Gary’s arms.
• Team Rocket recognized Gary and attacked him and his friends to try to reclaim Pikachu.

Gary and his companions rescued Dawn and Pikachu from Team Rocket, then brought Dawn along to Professor Rowan’s laboratory. There, Professor Rowan greeted Gary and recognized Rosa and Hilda, while Dawn learned that Gary was Professor Oak’s grandson.

• Gary sent out Kirlia, which restrained Team Rocket’s Pokémon with Confusion and blasted the trio away with Shadow Ball.
• Dawn thanked Gary, Rosa, and Hilda for rescuing her and Pikachu, and Gary explained that Pikachu had been separated from its Trainer.
• Gary invited Dawn to join them on their trip to Professor Rowan’s laboratory, and she agreed so she could meet Pikachu’s Trainer.
• Gary told Rosa, Hilda, and Dawn that he had visited Professor Rowan after the Silver Conference, and they arrived at the laboratory together.
• Professor Rowan welcomed Gary and identified Rosa and Hilda as Professor Oak’s future granddaughters-in-law.
• Dawn learned that Gary was Professor Oak’s grandson and excitedly began to say something more.

Gary and his friends visited Professor Rowan to collect their Pokédexes and ask whether Ash had arrived, then learned that Mega Evolution would soon be publicly announced and allowed at this year’s Lily of the Valley Conference. They stayed at the laboratory to wait for Ash, but an urgent doorbell interrupted them.

• Dawn asked Gary about Pokémon Senryu, and Gary promised to introduce her to his grandfather, Professor Oak.
• Professor Rowan handed Gary, Rosa, and Hilda their prepared Pokédexes.
• Gary asked whether Ash had come to the laboratory, and Rosa explained that Ash and Pikachu had been separated; Professor Rowan said Ash had not arrived and invited them to wait.
• Professor Rowan told Gary that Mega Evolution would soon be publicly announced and would be permitted at this year’s Lily of the Valley Conference.
• An urgent ringing from the doorbell interrupted Gary and the others as they discussed the news.

Ash arrived at Professor Rowan’s institute and reunited with Pikachu, then received a package from his mother and a Pokédex. Gary set out on his Sinnoh journey alone, while Dawn agreed to travel with Ash.

• Professor Rowan welcomed Ash to the institute, where Ash reunited with Pikachu and thanked Gary for rescuing it.
• Professor Rowan gave Ash the package Hanako had sent, and Ash changed into the new clothes and backpack inside.
• Gary reminded Ash to call Hanako, then introduced Dawn to Professor Oak; Professor Rowan gave Ash a Pokédex.
• Gary declined Ash’s offer to travel together, and Professor Rowan suggested Dawn accompany Ash on his journey.
• Gary said goodbye to Professor Rowan, Ash, and Dawn and began his journey through the Sinnoh Region.

Gary, Rosa, and Hilda traveled through Bewildering Woods, where Stantler’s antlers could trap people in illusions. After Rosa ignored the warnings and fell under Stantler’s spell, Gary woke her with Viridian Power, and the group prepared to continue toward Jubilife City before an angry roar sounded behind them.

• Gary explained that Stantler’s hypnotic antlers made Bewildering Woods dangerous, so the trio stayed overnight in Sandgem Town and stocked up on supplies.
• The next morning, Gary, Rosa, and Hilda entered Bewildering Woods, and Gary warned Rosa not to look at Stantler’s antlers.
• Rosa dismissed the danger and walked ahead alone, then approached rustling bushes and saw a Stantler’s antlers.
• Stantler’s illusion left Rosa frozen, first seeing beautiful scenery and then being chased by Beedrill, while the Stantler fled.
• Gary used Viridian Power to wake Rosa, and she admitted she would not act recklessly again.
• As Gary, Rosa, and Hilda agreed to continue their journey, an angry roar sounded behind them.

Gary and his companions escaped Bewildering Woods after Kirlia put an enraged Ursaring to sleep. Outside the forest, Paul introduced himself and challenged Gary to a battle, which they agreed to begin three-on-three.

• Gary recognized the angry Ursaring and had Kirlia use Hypnosis to put it to sleep without injuring it.
• Gary, Rosa, and Hilda continued through Bewildering Woods and safely emerged from the forest.
• Rosa urged the others to leave, still frightened by her experience with Stantler’s illusion.
• Paul stopped the group, introduced himself, and asked Gary to prove the strength of the Ever Grande Conference champion.
• Gary accepted Paul’s three-on-three challenge, and Paul released his first Pokémon.