Ash arrives to challenge the Nimbasa gym but Bianca has arrived before him but her dad wants Bianca to return home.
It is Ash's turn to challenge Elesa as he thinks about his strategy, he decides to just use Palpitoad being a Water/Ground type.
Whilst Ash and Iris explore Nimbasa City, Cilan decides to take part in the stamp rally but a girl has lost her Axew.
Ash learns that Unova Champion Alder is nearby and wants to challenge him but Trip also wants to battle.
A trio of Maractus form part of a musical but one of them can't do the dance right.
Robert is a photographer aiming to take a photo of something that is normally impossible.
Scraggy finds itself the subject of a crush who wants Scraggy to leave Ash and Axew.
A daycare sees 3 Deino in residence but one is more shy than the others.
Ash and friends arrive in Driftveil City and immediately head to the gym. However, the gym leader, Clay, does not want to battle at the moment. With nothing else to do they decide to tour the city. They run into a motorcyclist named Charles who acts like their tour guide. Soon they witness a crime taking place and the town's hero, the Mighty Accelgaurd, save them. Ash becomes a fan of the hero and wants to meet him, which leads them to being in the middle of a villainous plot.
Cilan's brother Chili meets up with the group having left the gym.
Clay is in need of Revival herbs so Ash, Iris and Cilan head to find some.
With Landorus summoned, Team Rocket springs their trap to catch the Forces of Nature.
To get his fifth badge, Ash takes on Clay and his ground types.
Travelling through Chargestone Cave, the group find their Electric types weak.
Bianca hopes to trade her Shelmet for Karrablast which will make them both evolve.
Professor Juniper's dad takes the gang exploring some ruins.
Krokorok returns to confront Pikachu again but some children want to use them in a battle.
A herd of Bouffalant won't let anyone pass unless they are wearing curly wigs.
Skyla's strategy when trainers challenger her gym annoy Cilan leading to a challenge.
Ash takes on Skyla to win his sixth badge against her flying types.
Ash, Cilan and Iris meet up with Stephan who hopes to ring the bell where a wish can be made.
Don George is hosting another tournament and Ash decides to enter with Scraggy.
The first round continues but only 8 will go through to the next round.
The semi-finals begin with Stephan, Montgomery, Bianca and Ash but only one will win.
A group of Durant looking for food accidentally take Axew.
Travelling through Twist Mountain, fossils of ancient Pokémon have been found.
Team Rocket's plan continues as they try to access the space-time warp.
Tepig is reunited with his previous trainer who still thinks Tepig is weak.
Brycen, a well known film-star saves the group but a Hunter is after Volcarona.
Ash takes on Brycen to win his seventh badge who uses ice types.
A man asks for Cilan's advice on what would be the best Pokémon for his daughter to start with.
Ash and friends run into Gerogia who in on her way to a Ferroseed Research in order to try and make her pokémon more powerful. However, once they get there they are thrown into a major crisis and electric moss begins growing uncontrollably.
Luke is making another film and gets Ash, Iris and Cilan to help make it.
Ash is preparing for his battle at the Virbank Gym at the Pokecenter where he sees many trainers enter with poisoned pokemon. He learns that the gym leader of the Virbank Gym specializes in Poison-type pokemon and should come up with a strategy to avoid poisonous attacks. The gym leader, Roxie suggests that Ash should use six pokemon in his battle while she uses three pokemon.
The gym battle against Roxie continues with Ash down three and Roxie one.
Team Rocket are after the legendary Meloetta who injured comes across the group and Cynthia.
Ash and friends arrive in Undella town. When they get to Cynthia's villa they find out Dawn is also staying there. Ash challenges Dawn to a battle but is interrupted by Cilan who wants to battle Dawn first.
Ash, Iris, Cilan and Dawn head to Onix Island in search of a special Onix.
A boy's Cubchoo has gone missing and Cilan agrees to help find it.
A Dragonite has caused a powercut and it is believed to be deliberate.
The Junior Cup gets underway with many of the group's rivals taking part.
Iris' Dragonite isn't obeying Iris as she faces Dawn in the junior cup.
The semi-finals sees Ash against Iris and Trip against Cilan.
The junior cups come to an end as Dawn and Piplup prepare to leave Unova.
Ash, Iris and Cilan take Cameron to Humilau so he can get his final badge.
A group of Pokémon at a nursery are causing trouble.
Ash is training at Cynthia’s Villa when Ridley arrives thinking that ash had taken Meloetta away from him. After apologising for his mistake, Team Rocket arrives to take Meloetta. Ash and Meloetta try to get away from the Villa but they are captured by Giovanni. They are then taken to the undersea ruins.
After Capturing Meloetta, Team Rocket has brought the Undersea Temple to the surface and used her song to obtain the Reveal Glass. Team Rocket now plan on using the Reveal Glass to summon the forces of nature. Tornadus, Thundurus and Landorus to take over the Unova region. Now Ash and his friends have to save Meloetta and put an end to Team Rocket's plan