Meowthis filled with jealousy, but he can also breathe a sigh of relief, as thingsare back to normal again! If one can collect all the stamps, they will get a chance to battle the Subway Bosses, Ingo and Emmet. But Silvally rescues Lillie, and when she remembers that it was the onewho saved her in the past, her fear of touching Pokémon finally vanishes! Giovanni has captured Meloetta and uses its power to bring the Undersea Temple to the surface. As the Junior Cup tournament continues, Ash, Dawn, Iris, Cilan, and Trip have all made it to the next round. However, on their way to the airport they discover the Legendary Pokémon Meloetta who has been injured from an encounter with Team Rocket and must nurse it back to health. They quickly intervene and stop him.
Luke is invited to a special event being held there before the opening and he invites them to come with him. They meet Lewis who decides to pray to Landorus in order to save the island. After investigating and discovering and helping an injured Klinklang, they return to base camp and proceed with the trade. Thanks to a ferocious battle, Pignite is able to defeat Scolipede, leaving Roxie with just one Pokémon left. Despite Emboar's power and Bianca's confidence, Emboar is quickly overpowered by Sawk's attacks. Ash, Iris, and Cilan are eager to see the ruins as well as ask Cedric if they can join him. Ash, Iris, and Cilan, wanting to see the Sawsbuck as well, join Robert on his journey.
Despite the legend saying Landorus is key to the battle being stopped, Landorus begins to become overwhelmed by the combined forces of Tornadus and Thundurus. He agrees, but his training proves to be much more than Ash and Krokorok can handle. Ash makes a reservation just as Skyla, the Gym Leader, arrives via plane. Continuing their way to Driftveil City, Ash and Iris have a practice battle with Scraggy and Axew. After seeing how much Gothita likes Scraggy, she offers Ash a trade. As Ash and Cilan help Bobby take care of the other pokémon, Iris makes it her personal mission to help the shy Deino come out of its shell. They also see that there is a third Deino at the center, but it is very shy.
While on the way to Mistralton City, the group stops to have lunch. Meanwhile, Team Rocket's latest plan gets underway as Dr. Believing this to be impossible, they question Robert and he says he wants to try and find the place the picture was taken and prove that the picture is real. Chris reveals that his beloved Cubchoo went missing the previous night and he can't find it anywhere. With his best friend and first Pokemon, Pikachu, by his side, Ash is determined to be the best Pokemon Master in the world. Ash refuses to trade Scraggy, and so Katharine demands a battle, and if she wins he must trade Scraggy.
However, Ash's brash strategy quickly turns against him, forcing him to switch out early in the battle. While training for the Junior Cup, Dawn arrives and mentions that Jervis told her about a nearby island that is inhabited by Onix, including a special Onix that no one has seen. Zager arrives and captures the Kami trio. Determined to stop them, Ash and friends, along with Ferris and Sierra, escape in Sierra's truck in hopes of getting away from Team Rocket. Ash, Iris, and Cilan are eager to see the ruins as well as ask Cedric if they can join him. Just when it looks like Emolga has won, Swadloon evolves into Leavanny! Our heroes finish theirspa day in total luxury, while Team Rocket ends up stuck in the mud withBewear.
Continuing their journey to Driftveil City, Ash and Cilan are about to have a practice battle. Everyone must now figure out how to save the trio and restore Milos Island. The battle for Ash's eighth Unova badge begins! He says if Ash can find some, he will battle him. Ash sends out Krokorok while Iris chooses Dragonite. Who will advance to the Clubsplosion semi-finals? Everyone decides to enter and join her on her trip. After a short break, Stephan and Sawk finally get their chance to battle Montgomery and his powerful Throh. Upon touring the studio, Luke reveals that he is creating a movie for the Grand Opening special event and asks Ash, Iris, and Cilan to act in the movie.
Meanwhile, Team Rocket are nearing the completion of their latest evil plot. Upon arrival at the mansion they discover that Mr. He says if Ash can find some, he will battle him. However, their training is soon interrupted when Brycen realizes that a Pokémon Hunter is attacking Volcarona, the guardian of the mountain. Using his trusted Palpitoad, Ash manages to take down the Pokémon that single-handedly took out all of Bianca's Pokémon. Despite being able to use more Pokémon than her, Roxie has taken control of the battle and has already defeated two of Ash's Pokémon while she has only lost one.
Upon arrival at the mansion they discover that Mr. Bianca's dad agrees to let her continue traveling if she can defeat Elesa. When Mareanie overhears this, its sadness causes it to run away. . Now they must escape the attacks from the Rock Snake Pokémon and reunite so they can leave the island. At registration they are reunited with Bianca, Trip, Burgundy, and Georgia who are all also entering.