Ash, Pikachu, Chloe, Eevee, Goh, and Grookey are watching TV, Ash mentions he is hungry, Goh tells Ash the same thing. Ash and Goh tell Chloe they should go to a buffet, she tells them that seems like a good idea. The Parrs and Lucius are watching a movie, they are eating popcorn, Ash, Pikachu, Chloe, Eevee, Goh, and Grookey are at the buffet, Ash and Goh have a lot of food on their plates, Everyone is enjoying their food, Ash and Goh get more food, they have even more than their first plate, Chloe and Eevee are surprised, Pikachu and Grookey are enjoying the food.
The Parrs and Lucius are eating dinner, they talk about how good the movie was. Later that night Ash, Pikachu, Chloe, Eevee, Goh, and Grookey are getting ready to go to bed, Ash gets a notification on his Rotom Phone, he sees he will be battling Bea in two days in another rematch whose rank is at 30, the battle will be held at a Battle Stadium in Stow-on-Side in the Galar Region Ash is pumped and says he's gonna win this time. Bea gets a notification on her Rotom Phone and sees she's up against Ash in another rematch, she becomes full of confidence and says she will become the next Monarch of the World Coronation Series after beating Leon. The next day Ash, Pikachu, Chloe, Eevee, Goh, and Grookey meet up with The Parrs and Lucius, they get on the plane.
The group arrive in Galar, they are in Glimwood Tangle, Chloe spots a Galarian Ponyta, she catches it, it registers to her Pokédex on her Rotom Phone. The group are in the Wild Area they see lots of Pokémon such as a Wooloo, a Boldore, a Ribombee, a Delibird, a Vanilluxe, a Bunnelby, and a Noivern. Goh tries to catch a Delibird but he fails. The group are in Stow-on-Side, they go to the Stow-on-Side Stadium and enter the fighting section of the battlefield Bea is there, Ash and Goh tell Bea it's been awhile, she tells them the same thing. Bea asks who are the extra people with Ash and Goh, Chloe, Eevee, The Parrs, and Lucius introduce themselves and she introduces herself back, she tells them she's the Fighting-type gym Leader of Stow-on-Side Ash, Goh, and the Parrs tell Bea they remember someone else saying they're the Stow-on-Side Gym Leader as well (a flashback shows Ash, Pikachu, Goh, Cinderace, Sobble, Grookey, and the Parrs talking to Allister and Leon). Bea tells them Stow-on-Side has two Gym Leaders Ghost-type which is Allister and Fighting-type which is her and that it is split between the two sections of the Gym Leaders and their type specialty, The group find that cool that Stow-on-Side has two Gym Leaders. Ash is impressed to see Bea has a Dynamax Band and Bea is surprised to see Ash has a Mega Glove. Bea tells Ash she has a secret weapon during their battle tomorrow, Ash tells her, he'll be ready for it, he tells her he has one too, she tells him she can't wait. Bea asks Ash how was Riolu been, he tells her Riolu has evolved into a Lucario. Ash sends out Lucario, Bea is impressed to see it has evolved.
Bea sends out Hawlucha, Hitmontop, Grapploct, Machamp, Pangoro, and Falinks. Ash sends out Dragonite, Gengar, Sirfetch'd, and Dracovish. Ash is amazed by Pangoro and Falinks, Bea is amazed by Gengar, Dragonite, and Dracovish. Lucius scans Hitmontop with his Rotom Phone it gives its Pokédex entry description, Violet scans Falinks with her Rotom Phone and it gives its Pokédex entry description. Korrina shows up with a bag, Ash and Goh mention how they remember what Bea said about Korrina to Ash before his first battle with her (a flashback shows Korrina's Mega Lucario being defeated by Bea. Another flashback shows Bea telling Ash that Korrina is a bit soft), Korrina rushes towards Bea, Ash and Goh get worried. Korrina says she has sweets in the bag for everyone, Ash and Goh are happy to see her again, Chloe, the Parrs, and Lucius ask her who is the girl with the bag, Ash tells her that's Korrina. Chloe, the Parrs, and Lucius introduce themselves, and Korrina introduces herself back and tells them she's the Fighting-type Gym Leader of Shalour City in the Kalos Region. Korrina sends out Lucario Chloe, the Parrs, and Lucius find it cool Korrina has a Lucario as well. Chloe sends out Ponyta, Violet sends out Alakazam, Gardevoir, and Slowking, and Lucius sends out Ninetales, Frosmoth, and Bearatic. The group, Bea, Her Pokémon, Korrina, and Lucario are eating sweets, Ash and Goh are surprised Korrina and Bea are friends since Bea called Korrina soft when Ash and Goh first met Bea before his first battle with her, Bea said Korrina thinks battles should be enjoyed, but she does not agree with that. Ash tells Chloe, the Parrs, Lucius, and Korrina this will be his and Bea's third battle and tells Bea he won't lose this time, she tells him, she'll win and get into the Master Class and beat Leon.
The next day the group and Bea are inside the Stow-on-Side Stadium, Chloe, Eevee, Goh, the Parrs, Lucius, Korrina, and Lucario are in the audience, Chloe sends out Ponyta, Goh sends out Cinderace and Inteleon, Violet sends out Alakazam, Gardevoir, and Slowking, and Lucius sends out Ninetales, Frosmoth, and Bearatic. Ash, Pikachu, and Bea are on the battlefield. Drone Rotom appears and says it's time for a World Coronation Series Ultra Class battle and says the battle will be a 3v3, Drone Rotom says Trainers can switch out their Pokémon at any time and mentions that when Pokémon on either side are unable to battle to the Trainer on the opposing side wins, Drone Rotom tells Ash and Bea to send out their Pokémon.
Ash calls out Pikachu and Bea sends out Grapploct. Goh tells Chloe, the Parrs, Lucius, and Korrina Ash lost to Bea the first time he battled her and his second battle against her was a draw (a flashback shows Goh, Raboot, Sobble, and Karate Master watching Ash and Bea's first World Coronation Series battle. Bea's Hawlucha defeats Ash's Farfetch'd and then Bea's Grapploct defeats Ash's Riolu. Another flashback shows Goh, Raboot, Sobble, and Chuck watching Ash and Bea have a World Coronation Series rematch Pikachu defeats Bea's Hitmontop, Grapploct defeats Pikachu, and Riolu and Grapploct both knock each other out), he also says both battles were in the Great Class and were 2v2s. Drone Rotom lets the battle begin.