Chapter Summaries

Gary sent Cosmog, which had evolved into Lunala, to fight the Shiny Guzzlord threatening Aether Paradise. Cosmog overwhelmed Guzzlord with Psychic, Moonblast, Protect, Phantom Force, and a Z-Move Moongeist Beam, leaving it battered and sprawled across the water.

• Lusamine, Rosa, and Hilda worried that Guzzlord's vicious nature would make it difficult to suppress, but Gary assured them Lunala could handle it.
• Guzzlord charged toward Aether Paradise, and Gary summoned Cosmog to confront it.
• Cosmog stopped Guzzlord's Dragon Pulse with Psychic and sent the attack back, then hurt it with Moonblast after Guzzlord tried to devour the move.
• Cosmog blocked Guzzlord's Dark Pulse with Protect, disappeared with Phantom Force, and reappeared to strike Guzzlord with another Moonblast.
• Gary activated Lunala's Z-Move, and Cosmog's Moongeist Beam overwhelmed Guzzlord and sent it tumbling across the water.

Gary caught the defeated Shiny Guzzlord with a Beast Ball and stayed at Aether Paradise to train it with Cosmog. After a feast and some sightseeing, he took Cosmog and Guzzlord to a nearby island, where Cosmog began disciplining the unruly Pokémon.

• Lusamine gave Gary a Beast Ball, and he used it to catch the level 88 Shiny Guzzlord.
• Lusamine thanked Gary for protecting Aether Paradise, and he said he would stay there to train Guzzlord.
• Professor Burnet suggested they return, and Lusamine promised everyone a feast.
• Rosa and Hilda toured Aether Paradise with Wicke while Lusamine, Professor Burnet, and Wicke attended to their work.
• Gary took Cosmog and Guzzlord to a nearby island, where Cosmog beat Guzzlord after it attacked them.
• Gary checked his system for the reward he received for catching the Shiny Guzzlord.

Gary received rewards for capturing Guzzlord, trained his Pokémon at Aether Paradise, and returned to Melemele Island, where Professor Kukui asked to study his Ultra Beasts. Gary agreed on the condition that Kukui battle him, and Kukui accepted, leaving their match for the next day.

• Gary received a Dark-type Energy Crystal and a Pseudo-Legendary Aptitude Card, giving the crystal to Darkrai and using the card to raise Arcanine’s aptitude.
• Gary and Lunala trained Guzzlord until it became obedient, while Gary also trained his other Pokémon during their stay at Aether Paradise.
• Gary, Rosa, and Hilda left Aether Paradise and returned to their home on Melemele Island, where Professor Kukui was waiting for them.
• Professor Kukui asked Gary for information on Kartana and Guzzlord to support his research into Alola’s Pokémon, and Gary agreed.
• Gary challenged Professor Kukui to a battle before helping with his research, and Kukui accepted; Gary revealed that Kukui had battled Lance and had Champion-level strength.

Gary and Professor Kukui began a three-on-three battle before a crowd of their Alolan friends, with Principal Chengye refereeing. Professor Kukui sent out Venusaur first, and Gary answered with Kartana as their opening exchange began.

• News of Gary's battle with Professor Kukui spread, drawing friends and spectators from across Alola to the battlefield.
• Professor Kukui proposed a three-on-three match, and Principal Chengye agreed to serve as referee.
• Professor Kukui sent out Venusaur, and Gary chose Kartana to face it.
• Venusaur attacked with Razor Leaf and Magical Leaf, but Kartana blocked and scattered the moves before striking with Slash.
• Venusaur defended against Slash with Petal Dance and tried to grab Kartana with Vine Whip, but Gary used Double Team to make the attack hit a decoy.
• Gary announced that it was their turn to take the initiative as Venusaur remained on guard.

Gary took the first round against Professor Kukui when Kartana defeated Venusaur, but Kukui’s Lucario then beat Kartana. Gary sent out Zeraora—mistakenly called Gengar in the narration—and it vanished with Phantom Force as Lucario searched for it, leaving Gary’s next attack about to begin.

• Gary used Kartana’s Sacred Sword to defeat Professor Kukui’s Venusaur and win the first round.
• Professor Kukui sent out Lucario, which outmaneuvered Kartana and defeated it with Dragon Pulse.
• Gary sent out his second Pokémon, identified as Zeraora, though Gary and the narration called it Gengar.
• Lucario blocked Dark Pulse and missed its Extreme Speed attack when Gengar vanished with Phantom Force.
• Professor Kukui told Lucario to search for Gengar with Aura, but Gengar appeared behind Lucario as Gary began giving another command.

Gary’s Gengar defeated Professor Kukui’s Lucario, giving Gary an advantage as the third battle began between Zeraora and Incineroar. Their attacks ended in a stalemate, leaving Gary to look for a way to break it.

• Gary’s Gengar burned Lucario with Will-O-Wisp, then knocked it out with Dark Pulse.
• Gary recalled Gengar while Professor Kukui recalled Lucario, and Lillie noted that Gary had two Pokémon remaining against Kukui’s two.
• Gary sent out Zeraora as Professor Kukui sent out Incineroar for the third battle.
• Zeraora and Incineroar traded Thunderbolt and Flamethrower, then clashed with DD Lariat and Electro Ball without either gaining a lasting advantage.
• Zeraora and Incineroar canceled out another exchange of Fire Spin and Thunderbolt, and Gary came up with a plan to break the stalemate.

Gary defeated Professor Kukui in the final battle of their match after Zeraora overcame Incineroar with a clash of Z-Moves. The group celebrated Gary’s victory, and Kiawe arranged to battle him in the future.

• Gary had Zeraora trap Incineroar with Electro Web and strike it with Thunder.
• Professor Kukui and Gary sent Incineroar and Zeraora into a final clash using Malicious Moonsault and Gigavolt Havoc.
• Zeraora’s Gigavolt Havoc broke through Incineroar’s flames and knocked it out, and Principal Chengye declared Gary the winner.
• Gary praised Zeraora and said they were family, while Professor Kukui congratulated him and accepted the loss.
• Kiawe asked Gary for a battle, and Gary agreed to fight him when they had time.
• Professor Kukui and Professor Burnet remarked that Gary’s future could surpass their expectations.

After finishing his work with Professor Kukui, Gary rested and then spent several days exploring Alola with Rosa and Hilda. Their trip was interrupted when Lusamine called with Professor Burnet and Wicke beside her, suggesting an urgent problem had arisen.

• Gary finished organizing and entering materials with Professor Kukui, then returned home and slept until evening.
• Gary learned that Rosa and Hilda had cooked dinner together and agreed to show them around Alola.
• Gary spent the following days exploring Alola's sights and streets with Rosa and Hilda.
• While touring Akala Island, Gary received a call from Lusamine, who appeared onscreen with Professor Burnet and Wicke.
• Lusamine confirmed that something had happened when Gary asked if the call concerned an emergency.

After Lusamine reported a brief Ultra Aura reading near Akala Island, Gary and his companions stayed to investigate but found no trace of an Ultra Beast. Gary realized they were being watched and called out the hidden observer, prompting a small purple creature to emerge from the forest.

• Lusamine and Professor Burnet told Gary that their equipment had detected a brief Ultra Aura fluctuation near Akala Island, with no exact location identified.
• Gary decided to remain on Akala Island with Rosa and Hilda while they investigated, and Kiawe invited them to his family’s farm before challenging Gary to a battle.
• Gary, Rosa, and Hilda searched Akala Island for several days but found no sign of an Ultra Beast.
• Rosa and Hilda suggested the Ultra Beast might never have appeared or might have left the island, but Gary rejected both ideas and said someone had been watching them.
• Gary called for the watcher to reveal itself, and a small purple creature darted from the forest and blocked their path.

Gary, Rosa, and Hilda discovered that the Ultra Aura detected on Akala Island came from Poipole, an Ultra Beast accidentally swept into their world through an Ultra Wormhole. After learning that Poipole had followed Gary because it sensed Lunala’s aura, they were left to decide what to do with it.

• Hilda asked Gary about the small Ultra Beast blocking their path, and Gary identified it as Poipole and explained that it could evolve into Naganadel.
• Rosa suggested Poipole was connected to the Ultra Aura, and Gary confirmed that it had accidentally traveled through an Ultra Wormhole from its own world to Akala Island.
• Gary learned that Poipole had followed the group because it sensed an Aura of Light coming from him.
• Hilda and Gary realized that Poipole had sensed Lunala’s aura, and Rosa asked what they should do with Poipole next.

Gary battled Poipole to prove his strength, then healed and caught it with a Beast Ball. With Akala Island’s Ultra Beast matter resolved, Gary, Rosa, and Hilda headed back to their hotel and planned to leave the island the next day.

• Rosa asked what should happen to Poipole, and Gary said they should follow Cosmog’s wishes; Poipole then indicated that it wanted to follow Gary but wanted to test his strength first.
• Gary sent out Charmeleon, which overwhelmed Poipole’s Venoshock with a powerful Flamethrower and knocked it from the air.
• Gary healed Poipole with his Creation Power, and Poipole willingly pressed the Beast Ball’s button and let itself be caught.
• Gary released Poipole from the Beast Ball and welcomed it as his partner.
• Rosa suggested leaving now that Akala Island’s Ultra Beast matter was settled, and Gary said they would rest and leave the next day.
• Hilda reminded Gary to tell Lusamine about Poipole, and Gary agreed as the three headed to their hotel.

Gary, Rosa, and Hilda returned to Unova, where Gary planned to enter the Aspertia Tournament while Rosa and Hilda chose to travel with him without competing. They visited Professor Juniper in Nuvema Town, where she recognized Gary and revealed that she had been heading out to pick someone up.

• Rosa celebrated arriving in Castelia City, and Gary confirmed he would enter the Aspertia Tournament.
• Hilda and Rosa said they would not compete this time but would continue traveling with Gary.
• Rosa and Hilda decided to visit Professor Juniper in Nuvema Town before stopping at their homes in Aspertia City.
• The three sailed from Castelia City to Nuvema Town and went to Professor Juniper's laboratory.
• Professor Juniper welcomed Rosa and Hilda, teased them about their romance, praised Gary's conference performances, and said she had been going to pick up a few people.

Gary, Professor Juniper, Rosa, and Hilda went to the port, where they discovered Professor Oak, Ash, Hanako, and Pikachu had arrived in Unova. The reunited group headed back to Professor Juniper’s lab to talk.

• Professor Juniper took Gary, Rosa, and Hilda to the port to meet some guests.
• Gary recognized the storm clouds over the port as the work of Zekrom, and Rayquaza confirmed that it knew of Zekrom.
• The storm clouds vanished, revealing Professor Oak, Ash, Hanako, and Pikachu beneath them.
• Rosa and Hilda were surprised to see the guests, while Gary guessed that Ash had come to challenge the Unova League.
• Gary and Ash reunited and began bickering until Professor Oak intervened.
• Professor Juniper invited everyone to her lab, and the group agreed to go there.

Professor Oak, Professor Juniper, and Gary investigated Pikachu after it absorbed energy from a thundercloud, and Gary revealed that it could no longer use Electric-type moves. Gary identified Zekrom as the cause and assured Ash that Zekrom would return, while the lab prepared to give new Trainers their starter Pokémon.

• Professor Juniper’s tests found no physical problems with Pikachu, but Gary discovered it had lost its electrical current and could not use Electric-type moves.
• Gary asked Pikachu to use Thunder Shock, and Pikachu failed to perform the move, confirming Gary’s discovery.
• Professor Juniper and Professor Oak concluded that Pikachu’s overload came from absorbing too much electrical energy.
• Gary revealed that Zekrom had caused the harbor thundercloud and said Pikachu would recover when Zekrom returned.
• Ash accepted Gary’s reassurance and told Pikachu to rest as Rosa asked how Gary knew what had happened.
• A researcher entered and told Professor Juniper that new Trainers had arrived to receive their starter Pokémon.

Gary, Ash, Rosa, and Hilda met the rookie Trainer Trip at Professor Juniper’s lab, where Trip insulted Pallet Town and challenged Gary to a battle. Professor Juniper gave Trip a Snivy and a Pokédex, and Gary calmly accepted the challenge while the others recognized that he was deeply displeased.

• Professor Juniper led Gary, Ash, Rosa, and Hilda to meet the rookie Trainer Trip, who was taking photographs around the lab.
• Trip dismissed Gary and Ash’s hometown of Pallet Town as a backwater, prompting Gary to call him ignorant.
• Trip challenged Gary to a battle after he could not win their verbal exchange, and Gary accepted.
• Professor Juniper gave Trip his chosen starter Pokémon, Snivy, and a Pokédex.
• Gary prepared to battle Trip with a calm expression that Rosa, Hilda, and Ash recognized as a sign of his extreme displeasure.

Gary defeated Trip in a battle at Professor Juniper's research lab, then Zekrom's lightning cured Pikachu's overload. The chapter ended with an unknown small figure watching Ash and Pikachu at the lab entrance.

• Professor Juniper led Gary and Trip to the research lab's battlefield after Trip challenged Gary.
• Trip sent out his level 10 Snivy, and Gary answered with his Shiny Guzzlord, an Ultra Beast.
• Guzzlord swallowed Snivy's attacks and defeated it with Dragon Pulse, after which Trip left the lab.
• A thundercloud appeared over the lab, and Zekrom's blue lightning struck Pikachu, expelling the excess energy from its body.
• Pikachu used Thunderbolt on Ash, leaving Pikachu healthy as Gary, Professor Oak, and the others laughed.
• A small figure stood at the lab entrance, watching Ash and Pikachu.

Gary, Rosa, and Hilda traveled through Unova toward Striaton City and stopped in Accumula Town, where they visited its Pokémon Battle Club. Don George recognized Gary and arranged battles for all three Trainers.

• Gary declined to travel with Ash, then left Nuvema Town with Rosa and Hilda for Striaton City.
• Gary registered for the Aspertia Tournament at the Accumula Town Pokémon Center.
• Hilda suggested visiting Accumula Town’s Pokémon Battle Club, and Rosa and Hilda explained its battle and training facilities to Gary.
• Gary, Rosa, and Hilda met the club manager, Don George, who recognized Gary as the Lily of the Valley Conference champion.
• Gary accepted Don George’s offer to battle, and Rosa and Hilda signed up for battles too.
• Don George arranged opponents for all three Trainers.

Gary and his companions trained at the Accumula Town Battle Club before traveling to Striaton City. After a night’s rest, they entered Striaton Gym, which also operated as a restaurant, and ate before preparing to challenge it.

• Gary defeated A Yao’s Herdier with Poipole at the Accumula Town Battle Club.
• Rosa and Hilda won their matches, and the three battled for several hours to gain experience.
• Gary, Rosa, and Hilda left Accumula Town and reached Striaton City the next day.
• Rosa recalled getting lost on a previous trip, and Hilda blamed her for the detour.
• Gary and the girls entered Striaton Gym, enjoyed a meal, and then prepared to begin the Gym Challenge.

Gary challenged all three Striaton Gym Leaders to a best-of-three match and began battling Chili with Charmeleon. The chapter ended as Gary prepared to give Charmeleon its next command against Simisear.

• After finishing their meal at the Striaton Gym, Gary announced that he had come to challenge the Gym.
• Gary chose to battle Chili, Cilan, and Cress, and they agreed to a best-of-three match.
• The Gym Leaders transformed the restaurant into a battle arena, and Chili sent out Simisear against Gary's Charmeleon.
• Gary ordered Charmeleon to use Flamethrower, but Simisear pushed through with Flame Charge until Charmeleon's strengthened attack drove it back.
• Gary prepared Charmeleon for another attack after Chili praised his strength.

Gary defeated Chili’s Simisear with Charmeleon and Cress’s Simipour with Lucario, then chose to battle Cilan despite already securing the Striaton Gym victory. The final match began with Gible facing Cilan’s Simisage, and Gible avoided Razor Leaf by burrowing underground.

• Gary used Charmeleon to evade Simisear’s Dig and defeat it with Dragon Tail and Dragon Breath.
• Cress sent out Simipour, but Lucario knocked it out with a close-range Aura Sphere.
• Gary insisted on battling Cilan, who handed the referee’s duties to Chili.
• Cilan sent out Simisage, and Gary answered with Gible.
• Gible dodged Simisage’s Razor Leaf by using Dig, prompting Cilan to reveal he had a strategy to counter it.