Kiawe races a Rapidash on his Ride Charizard and then rides it. After Ash and Pikachu join Olivia in an underwater swim, they find a Wailmer trapped in a rock crevice by a vicious Bruxish. Ash agrees and finds his main rival to be the Pancake waitress Nina, who has an Alolan Raichu and is also the race's previous champion. Frightened, Poipole disables Rowlet with a Poison attack. However, Ash must defeat their leader, the Totem Pokémon Gumshoos, in battle in order to earn their cooperation, with Tapu Koko secretly observing. Meanwhile, Kiawe takes the rest of the gang to visit his family's dairy farm where they're more interested in sampling the produce then in helping him , and Team Rocket doesn't have much luck with their own Totem Pokémon-fishing, especially when it's interrupted by Bewear. The Birth of Royal Satoshi!! A wild race through the mall ends in a roof-top battle.
Ash asks Tapu Bulu to train him and his Pokémon, but it seems more interested in napping. Fire it Up, Mao's Family!! June 24, 2017 February 23, 2017 121 days They Might Not Be Giants! Ash and his friends work together to cheer up Sophocles with a farewell party. Toxapex is about to leave when Tentacruel attacks again, but James drives it off again, winning Toxapex's friendship but making Mareanie jealous again! However, while everyone is having a great time playing with Minior, a painful memory regarding another Minior haunts Sophocles. Sophocles's experiments with Steenee don't work out well, but he finds that Steenee can be a great night-time comfort. In a rage, Sandygast evolves into Palossand and swallows up Ash and also Litten when it tries to rescue him. On the way, they encounter various types of Sea Pokémon. Acerola and Mimi-tan have come to Melemele Island for a visit, and she suggests, with Principal Okido's approval, that they make one at the Pokémon school.
December 29, 2018 August 9, 2018 142 days I Choose Paradise!. Team Rocket spots the trio and, realizing that Poipole may be an Ultra Beast, chases after them. Ash and his Pokémon must now battle Lurantis and its partner Castform, but there may be more to this than meets the eye. Snowy keeps giving Ash the cold shoulder but finally warms up to him when Ash includes Snowy in his Pokémon's training sessions. December 22, 2016 2016-12-22 May 18, 2017 Ash's class is assigned to look after a newly discovered Alolan Pokémon egg. Ash carries Stoutland to the Pokémon Center, where Ash, Pikachu, and Rotom learn that while Stoutland isn't seriously ill, it is getting very old and there is nothing Nurse Joy can do to help it. Ash makes a promise to them, after which another Pokemon appears.
November 9, 2017 2017-11-09 March 29, 2018 Gladion is furious about what has happened to Lillie and blames Ash. Mime, spied upon by Mew! I Got a Pokémon in Alola!! The 3-on-1 battle backfires when something goes wrong with Zipp's Garbodor's Venom Shock and Team Skull is forced to retreat. When the class deliberates who will bring the egg home for the night, Lillie agrees to take care of the egg in order to overcome her fear of handling Pokémon. Satoshi is furious, and he and Rotom quarrel and part ways. Before the Persian can attack, the others find them and Mallow's Tsareena decisively defeats the Persian and sends it fleeing. At school, the class are working on Pokémon sculpture with varying results when Nebby starts manifesting the ability to teleport class members to various locations they happened to be thinking about at the time.
A Nuikoguma is reported missing from the Foundation's Conservation Center. October 21, 2017 August 3, 2017 79 days Rising from the Ruins! At the farm, they find that the farm's fences have been deliberately broken and the farm's Miltank are loose. Now they have to help the Wailmer and fend off the Bruxish at the same time. After the Ultra Guardians create a safe launch area, they watch Celesteela fly home. April 6, 2017 2017-04-06 July 1, 2017 Ash and Pikachu run into Litten again, but this time something's very wrong with its friend, the old Stoutland. April 13, 2017 2017-04-13 July 8, 2017 While training Litten, who is having trouble mastering Fire Fang, Ash accidentally incurs the wrath of an unfriendly Sandygast when Rockruff's Rock Throw knocks the shovel off its head.
The newly-formed Ultra Guardians consisting of Ash and the gang, who are amazed that a secret base has been constructed beneath the Pokémon School receive their first mission from Lusamine: stop the Ultra Beast, now named Buzzwole, who has been going on a rampage across Melemele Island. Ash takes it to the Pokémon school, with both interesting and unfortunate results. The season premiered in Japan on October 5, 2017 on. As she flees, Lusamine sends out her own Pokémon to stop them. When they finally notice that Pikachu is missing, an agitated Ash and his Pokémon start searching for Pikachu. Nihilego tries to attack Lillie again, but Gladion and Lusamine throw themselves in front of her. It's Ash's Lycanroc versus Nanu's Krookodile, but Lycanroc is continually overpowered.
Meanwhile, waves from a playful Hoeruko causes some crates inside one of which Eievui is napping to fall overboard off the ferry; in a panic, Eievui falls into the sea and nearly drowns before being rescued by a Tamanta who gives it a ride. When Rotom jumps in to point out script continuity problems, the director decides to offer him a guest appearance on the show! July 1, 2017 March 9, 2017 114 days A Seasoned Search! Back at the Pokémon school, Faba again tries to demonstrate his machine, but when it goes haywire again the beam hits Togedemaru and this time blows it up to giant-size! However, Bewear fails to appear and Team Rocket crashes separately, with Jessie and Mimikyu landing in a shopping mall. June 8, 2017 2017-06-08 September 2, 2017 Ash and his classmates go on a camping trip in the forest. Professor Burnet offers to cook dinner, but her Munchlax ruins her efforts by devouring everyone's food. December 8, 2016 2016-12-08 May 16, 2017 Ash and Sophocles are separated from their Pokémon during a visit to the local shopping mall when Team Rocket accidentally activates the mall's security system. August 31, 2017 2017-08-31 November 18, 2017 Lana and Popplio have been practicing the Z-move Hydro Vortex, but so far with no success, and Lana is feeling discouraged.
Misty and Psyduck and Lillie, Snowy, Sophocles and Togedemaru vs. November 17, 2016 2016-11-17 May 12, 2017 On Ash's first day at Pokémon school, Professor Kukui and the other students host a surprise welcome party for him, which includes contests against the other students' Pokémon. Just then, a male Mareanie appears, but Mareanie is not pleased to see it. Naturally, Ash and friends give chase and Ditto is finally nabbed when it disguises itself as Snowy but is spotted by Lillie as a fake. They are finally transported to the lab level on Aether Paradise, where their arrival is spotted by both Faba and Team Rocket, while in Lusamine's office Gladion confronts his mother about Sivally and Faba. July 1, 2017 March 23, 2017 100 days Partner Promises! A second Electroweb traps Mimikyu, and Ash and Pikachu use their Z-move 10,000,000 Volt Thunderbolt to defeat Mimikyu.
Later at the local library, a girl named Acerola, after reading a scary story about a wicked Pokémon to two children, is kidnapped by Gengar, who flies off with her stealing everything. It then teaches Ash the Z-move Searing Sunraze Smash, which empowers Solgaleo and enables it to open a wormhole and carry the gang into Ultra Space. When Merowak causes Turtonator's spikes to explode, everyone becomes separated. She completely wins over everybody's Pokémon, including Litten. Hala guesses that Gladion and Lillie may have gone to Poni Island, and everyone goes in pursuit. The Ultra Guardians are dispatched in order to investigate this mystery, but then a new member of the team appears. Tied at one game each, the final game of the match reaches deuce with Ilima and Smeargle's teamwork against Ikari's ruthless and selfish atittude.