Ash, Pikachu, Goh, His Pokèmon, and the Parrs are in the Galar Region, The Parrs ask where are they, Ash and Goh tell them they're in the Galar Region, they take a walk around the area and leave Hammerlocke. Evelyn comes out of the portal, she sees a Pokémon Center, she enters and asks Nurse Joy where is she, she tells her, she's in the Galar Region. Ash, Pikachu, Goh, His Pokémon, and the Parrs are walking through Route 6, Ash tells the Parrs his goal is to battle Leon, so he's participating in the World Coronation Series, the Parrs ask him what is that. Ash tells the Parrs the World Coronation Series is where Trainers from all over different regions to battle each other in order to face Leon, to prove who the best trainer is, Goh tells the Parrs there are four classes Normal which is the first one trainers enter with rankings of 1000 or lower, Great the second one trainers with rankings 999-100 are in this class, Ultra 99-9, and Master 8-1 the highest class also known as top 8 or Masters 8, he tells them Leon is in the Master Class and is the Monarch. The Parrs ask Ash what is his World Coronation Series ranking, he tells them it's at 184, which is the Great Class. Goh tells the Parrs his goal is to catch Mew, they ask him who is that, he tells it's a mythical Pokémon, so he catches lots of Pokémon to learn how to battle and catch Mew. The group come across an Eiscue and a Stonjourner, the Rotom Phones mention their Pokédex entries, Ash and Goh scan Eiscue and Stonjourner respectively with their Rotom Phones, Goh catches both of them, registering them into his Pokédex, the Parrs are happy to witness their first time seeing a trainer catch a Pokémon, the group also spots a Silicobra, a Mimikyu, and a Clawitzer, Goh catches all three, registering them into his Pokédex. The group arrive at Stow-on-Side, Leon shows up, the Parrs ask who is this, Leon introduces himself and the Parrs introduce themselves back. Allister appears, The group gets scared they ask who is this, Leon tells them it's Allister and that he's friendly as well as being the Stow-on-Side Gym Leader, the group introduces themselves to Allister and he introduces himself back. Ash gets a battle notification on his Rotom Phone and Allister gets one on his Rotom Phone as well, Ash asks Allister if he'd like to battle, he accepts it, Ash tells the Parrs if a Trainer is participating in the World Coronation Series, they will get battle notifications of Trainers in the same class. The group and Allister ask Leon if he can watch the battle, he tells them sure. Allister asks Ash if the battle can be inside the Stow-on-Side Stadium, Ash tells him that's a good idea, Leon tells Ash, that Stadiums are Gyms in Galar. The group are in the Stow-on-Side Stadium, Goh, His Pokémon, The Parrs, and Leon are watching with the audience, Ash and Allister are on the battlefield, Ash tells Allister this is going to feel like a Gym battle. Evelyn is on Route 6, she runs into Jessie, James, Mewoth, and Wobuffet and asks who they, they introduce themselves as Team Rocket, and she introduces herself back, she asks how can Mewoth talk, they tell her it's a long story. Drone Rotom appears to act as referee for the World Coronation Series Battle, it states the battle will be a 3v3, when all 3 Pokémon are unable to battle on either side, the match will end, it says the winner regardless of their rank will move onto the Ultra Class, and tells them to bring out their Pokémon, it lets the battle begin. Ash sends out Dragonite and Allister sends out Dusknoir, Ash tells Dragonite to use Dragon Claw, it lands a direct hit, Allister tells Dusknoir to use Shadow Punch, it lands a direct hit, Goh, His Pokémon the Parrs, and Leon are excited to see Ash and Allister battle. Ash tells Dragonite to use Hurricane, Dusknoir dodges, Allister tells Dusknoir to use Ice Punch, Dragonite dodges. Ash tells Dragonite to use Dragon Dance, Goh and Leon tell the Parrs Dragon Dance can boost Dragonite's Attack and Speed Stat, Ash tells Dragonite to use Hurricane, it lands a direct hit. Allister tells Dusknoir to use Ice Punch it lands a direct hit, defeating Dragonite, Drone Rotom declares it unable to battle, making Dusknoir the winner, Goh, His Pokémon the Parrs, and Leon are worried. Ash recallls Dragonite, he tells it it battled well and lets Pikachu battle. Allister tells Dusknoir to use Fire Punch, Ash tells Pikachu to dodge and use Electroweb, he lands a hit on Dusknoir, trapping it, Ash tells Pikachu to use Thunderbolt and then Iron Tail, Dusknoir faints, Drone Rotom declares it unable to battle, making Pikachu the winner, Allister praises Dusknoir and recalls it. Allister sends out Cursola, Goh scans Cursola on his Rotom Phone and it gives its Pokédex entry description. Ash tells Pikachu to use Thunderbolt, it lands a direct hit, Allister tells Cursola to use Hex, Pikachu dodges, Ash tells Pikachu to use Electroweb, Cursola dodges. Allister tells Cursola to Hex it lands a direct hit, Ash tells Pikachu to use Thunderbolt, before Pikachu could attack, a net traps Pikachu and Cursola, The group wonders what is going on. Drone Rotom decides to put the battle on hold. Team Rocket and Evelyn show up, Ash tells the group it's Team Rocket, Allister and Leon ask who are Team Rocket, Ash, Goh, and the Parrs tell them they're a group of bad guys who steal Pokémon. Ash, Goh, Allister, and Leon ask who is the person with Team Rocket, the Parrs tell them that's Evelyn, they tell her she tried to mind control people. Ash and Allister tell Team Rocket to give them back their Pokémon, they tell them no can do, the Parrs tell them stealing is wrong, they tell them they don't care. Team Rocket calls for the Rocket Prize Master, Pelipper flies by and drops it, Mewoth enters head first in the quarter-esque part, two Pokéballs come out, they throw them and two Pokémon come out, which are Hatterene and Grimmsnarl, they scan it with their Rotom Phone but it gives a sassy and lazy description for both of them, Ash and Goh laugh at them for their Rotom Phone giving an inadequate description, they tell them it's doing it's best. Morpeko shows up, Team Rocket gets scared, the Parrs ask them if they know that Pokémon, Ash and Goh mention that they seen that Pokémon during the eating contest, Team Rocket tells the Parrs yes and says it's been eating their food, Ash and Goh laugh. Morpeko looks around and finds berries, it heads to them. Leon tells the group he'll handle Team Rocket and Evelyn, Goh says he wants to battle too, he allows it, Leon sends out Charizard, he tells it to use Air Slash on Hatterne, it lands a direct hit, Goh tells Cinderace to use Pyro Ball on Grimmsnarl, it lands a direct hit, Team Rocket tells Hatterene and Grimmsnarl to use Psychic on Charizard and Spirit Break on Cinderace, but Leon tells Charizard to dodge and Goh tells Cinderace to dodge. Ash, Allister, and the Parrs tell Evelyn, she won't get away with commiting crimes, she tells them she has a privilege card, they tell her it's a shame it has expired. Morpeko is watchng, while eating berries. Goh gives himself and the group including Cinderace, Grookey, and Charizard goggles, they put them on, Evelyn asks what's with the goggles, Team Rocket tells her she'll see. Sobble cries, Team Rocket and Evelyn start to cry, Evelyn asks why is she crying, Team Rocket tells her it's because of Sobble, when it cries everyone else cries. Leon tells Charizard to use Air Slash, the net breaks, Pikachu goes to Ash and Cursola goes to Allister, Sobble stops crying, the group as well as Cinderace, Grookey, and Charizard remove their goggles. Evelyn ditches Team Rocket and runs away, they get mad saying they knew shouldn't have trusted her. Morpeko switches to Hangry Mode and uses Aura Wheel on Team Rocket blasting them off, it leaves the Stadium, the group looks in confusion. Drone Rotom asks Ash if he and Allister would like to resume their battle, they tell it yes. Ash and Allister resume the battle, Ash tells Pikachu to use Electroweb, it lands a direct hit trapping Cursola, Allister tells Cursola to Hex, it breaks free from Electroweb, Ash is impressed. Ash tells Pikachu to use Iron Tail and Allister tells Curosola to use Revenge the attacks hit each other knocking out both Pikachu and Cursola, Drone Rotom declares both of them unable to battle, making it a draw, Ash thanks Pikachu and lets him sit on the sidelines and Allister thanks Cursola, he recalls it. Ash sends his Gengar and Allister sends out his Gengar, they both recall them and Gigantamax them, they come out of their Pokéballs and grow to be enormous, Goh and Leon tell the Parrs that Gigantamax is a factor that allows Pokémon to grow to be huge, they have unique moves, a different appearance, and are stronger than Dynamax, which the Pokémon are just bigger but have the same appearance and no unique moves. Goh and Leon also tell the Parrs Dynamax and Gigantamax can only be used by a Dynamax band, the Parrs are amazed by that, Goh, His Pokémon, Leon, and the Parrs cheer for Ash. Ash tells Gengar to use Max Mindstorm, it lands a direct hit, Allister tells Gengar to use Max Ooze, it lands a direct hit. Goh, His Pokémon, the Parrs, and Leon get excited and nervous for Ash. Allister tells Gengar to use G-Max Terror, it lands direct hit, Ash tells Gengar to use G-Max Terror, it lands a direct hit, defeating it, Drone Rotom declares it unable to battle, making Gengar the winner, it reverts back its normal size, Allister recalls it, he thanks it. Gengar reverts to its normal size, Ash thanks it, Goh, His Pokémon, the Parrs, and Leon, comment on how amazing the battle was, Drone Rotom says that the match goes to Ash. Drone Rotom states that Ash's World Coronation Series ranking will be updated. Ash sees his World Coronation Series rank go from 184 to 99, Ash sees he's now in the Ultra Class, Leon tells him he's one class away from facing him, he tells him he's looking forward to it. Ash thanks Allister for the battle, he tells him he did great, Ash says the same to Allister, Leon leaves he tells the group bye. The group tell Allister bye, The parrs are outside of the Stadium, Ash and Goh pull out the device and press a button a portal opens up, the Parrs go in, Ash Pikachu, Goh, and His Pokémon tell them bye, they walk off. Evelyn goes in after them, The Parrs come out of the portal and Evelyn comes out, the Parrs attack her. Ash, Pikachu, Goh, and His Pokémon are enjoying ice cream in Circhester. Later Ash, Pikachu, Goh, and His Pokémon are back in Vermilion City, Ash tells Professor Cerise, he won against Allister in the World Coronation Series and is in the Ultra Class now, Professor Cerise congratulates Ash on moving up, Goh sends out Eiscue, Stonjourner, Silicobra, Mimikyu, and and Clawitzer saying he caught them in Galar, Professor Cerise congratulates Goh on his catches. Ash, His Pokémon, Goh, and His Pokémon are eating dinner with Chloe, Eevee, Professor Cerise, Yamper, Talia, Parker, Ren, and Chrysa.