Ash and his mother take a vacation with Professor Oak to the Unova region. A dark cloud reveals a mysterious Pokemon which affects Pikachu.

After being struck by lightning, Pikachu is having trouble using its Electric-type attacks...but a second strange thunderstorm heals the Pokémon just as quickly! Attributing the ordeal to the Legendary Pokémon Zekrom, Professors Oak and Juniper agree that further research is needed.

Ash and Iris try to help the owners of a Hot Sand Resort who are being plagued by Sandile.

Ash and Iris stop at a Battle Club for some training. Ash's battle is interrupted by Team Rocket and a mysterious Pokemon.

Ash arrives at the Striaton Gym for his first battle. The three gym leaders offer Ash a choice for the battle. Ash requests a battle with all three leaders.

Ash's battle concludes. Cilan, impressed with Ash's victory, decides to journey with Ash to become a better connoisseur. Part of Team Rocket's plan is revealed.

Ash and company encounter a wild Snivy with some really powerful attacks. They suspect it left its previous trainer. Ash is determined to catch the Snivy.

Ash and company encounter a pair of Darumakas who steals food. They soon find they're bringing it to their friend who is psychically supporting a bell. Team Rocket's plans continue.

Iris has a training battle with Cilan, and her past is explored.

Ash challenges Trip to a full Pokemon battle.

Ash and company encounter a Dweeble who has his shell stolen from him by other Dweeble. They aide him reclaiming his home.

Ash and friends come across a group of kindergarten students who have befriended a Trubbish after rescuing it from a junkyard.

Ash and company meet Bianca, Professor Juniper's helper. She gives Ash a badge case, which is promptly stolen by a Minccino. Now the group tries to catch the Pokemon

Arriving in Nacrene City, our Heroes discover the Gym has a most unusual location and situation!

The day for Ash's Nacrene City Gym Battle challenge is here, and Lenora isn't about to go easy on our Hero!

After some special training, Ash challenges Lenora to re-match.

Ash's Pokemon egg finally hatches revealing a Scraggy.

Ash and company get lost in Pinwheel Forest and encounter a wild Swaddle and Burgh, the next gym leader Ash wants to challenge.

After concluding her journey with Satoshi and Takeshi, Hikari returns home and has to decide which of her Pokémon to take with her on her journey to become a Top Coordinator.

Takeshi has returned to Nibi City so he can study to become a Pokémon Doctor. However, a Nurse Joy that is a Pokémon Inspection Officer declares that the Gym Leader change was not certified. Hearing this, Forrest challenges Nurse Joy to a battle to prove his worth as the new Pewter City Gym Leader. Will Forrest defeat Nurse Joy and succeed Brock as the new Gym Leader of Pewter City?

The adventurers encounter a Pokemon Connisuser who insists that Ash replace all his Pokémon. They soon discover she has a past with Cilan. And a Pokemon battle ensues.

A previously encountered Sandile wants to battle Ash's Pikachu. But their battle is interrupted by some wild Duckletts.

The adventurers cross a foggy bridge and seemingly into the past where they meet a young girl and her Gotitelle.

The adventurers arrive in Castilla City and find that it's overrun with Venipede.

Ash battles Burgh for his third badge.

The adventurers try to help Bianca capture an Emolga.

Iris attempts a training battle with her newly-acquired Emolga. But Emolga has other ideas.

While taking cover from the rain, the adventurers encounter Team Rocket and some seemingly helpful Litwick.

The adventurers meet Emmy, a trainer who has yet to start her journey. Iris reveals her dream to be a Dragon Master.

During a battle with another trainer, Oshawott loses his scalchop, causing Oshawott to run off to search for it mid-battle.

The adventurers try to help a wild Cottonee who's having during its mating season.

The adventurers spot a UFO and encounter Professor Icarus, an expert on the subject.

Ash and Trip have a 3-on-3 battle.

Having learned why Oshuwott is having difficulty with Aquajet, Ash helps Oshuwott through special training.

Iris is challenged by Georgia - a Dragon Buster. Iris's past with Excadrill is revealed.

Ash attempts to capture a Roggenrola, but the battle is interrupted as they investigate Roggenrola's home and find Team Rocket.

The adventurers encounter an Audino wandering aimlessly through a patch of fog. They soon find out the local town has been losing their Audinos. They offer to help find the missing Pokemon

The adventurers meet up with Doctors Juniper and Fennel as they work to bring back an ancient Pokemon from a fossil.

The adventurers enter a fishing competition unaware that the competition is being run by Team Rocket.

The adventurers make a movie.

Day one at the Nimbasa Battle Tournament, a time to meet up with old friends and rivals.

Day two of the battle tournament.

Round 2 of the competition continues.

The final round of the tournament: Ash vs Iris.

Axew is kidnapped by a wild Scrafty who demands the adventurers train him for a battle. The get some unexpected help from Meowth who has just been fired from Team Rocket.

The adventurers encounter a Purrloin who claims it needs their help.

The adventurers meet Beheeyem, a Pokemon that can make dreams come true. They soon become trapped in a dream world and must find a way to escape.

The adventurers rescue a Cubchew that got separated from its pack. They soon get in the middle of a feud between two groups of Beartic.

Team Rocket executes their plan. They manage to steal several Pokemon, and use their "Ghost Train" to make their escape.

The adventurers try to find Team Rocket's Ghost Train, and all the stolen Pokemon. Meanwhile Pikachu and Axchew try to free themselves and the other Pokemon.

After meeting the Nimbasa City Gym Leader, Elesa, our heroes encounter an old friend with a surprise guest!

The stakes are high for Ash winning his fourth Unova Gym Badge at the Nimbasa Gym, and our hero's taking no chances!

Spending the day in Nimbasa City after Ash's fourth Unova Gym Badge win, Cilan has a special challenge in mind, while our heroes discover a fellow Trainer in need!

As our heroes prepare to leave Nimbasa City, they bump into Ash's rival Trip, who introduces them to someone they had only dreamed of meeting!

On their way to Driftveil City, our heroes meet an enterprising young man with three dedicated friends and a dream!

Stopping at a Pokémon Center on their way to Driftveil City, out heroes meet a young Pokémon photographer on the mission of a lifetime!

On their way to Driftveil City and Ash's next Gym Battle, our heroes meet a demanding Gothita with a crush on Scraggy!

On their way to Driftveil City and Ash's next Gym Battle, our heroes come across some very special Pokémon in a very special place!

Arriving in Driftveil City, our heroes meet a fascinating hometown resident with a secret!

While Ash prepares for his upcoming Gym Battle with Clay, a surprise visitor with a dilemma offers both Ash and Cilan the opportunity to help!

What started as a trip to Milos Island to find Revival Herbs has turned into a cataclysmic battle of legendary proportions!

In search of scarce Revival Herbs, our heroes are now faced with the potential destruction of Milos Island!

With a bag full of revival herbs, our heroes have returned to Driftveil City and Ash is raring to battle Gym Leader Clay!

Continuing their journey to Mistralton City, our heroes encounter Chargestone Cave and a dilemma for its occupants!

After witnessing a dramatic Pokémon trade and evolution, Ash and his friends' excitement has just begun!

The elder Professor Juniper has invited our heroes to join him in what he promises will be an exciting adventure...and he keeps his promise!

An encounter with Pikachu's rival from the past puts our heroes in the middle of a bullying confrontation!

Ash and friends continue their journey to Mistralton City as they head through a forest. They stop for a lunch break when suddenly they get attacked by a Bouffalant. After running away, the gang gets separated.

Ash is surprised to see a long line of Trainers waiting to challenge Skyla, the Mistralton City Gym Leader, and is even more surprised when he’s told he has to make an appointment for their battle!

After some convincing by a group of young challengers and Skyla’s grandfather, Skyla takes Ash up on his Gym Battle challenge.

After winning his sixth badge, Ash and friends bump into Stephan. He is in town to compete in the Bell of Wishes Festival that is being held that day. Ash, Iris, and Cilan, after finding out that the winner gets to ring the bell atop Mistralton Tower and get a wish granted, decide to compete in the festival.

At Ambiga Town, the local Don George holds a tournament called "Clubsplosion" to showcase Fighting-Type Pokémon, but all are welcome. Ash, Stephan, Bianca, Trip, and Georgia all enter the tournament, with Ash using his Scraggy. Ash and Scraggy's first opponent is Angus and his Simisage.

The Clubsplosion tournament continues. Iris and Excadrill face off against Burgundy and Dewott. Bianca and Emboar face off against Trip and Conkeldurr. And Dragon Buster Georgia and Bisharp face off against newcomer Gale and her Druddigon.

The first round of the Clubsplosion tournament ends with Bianca's and Trip's battle. As the second round gets underway, the remaining contestants battle for the chance to enter the Top 4 in the Clubsplosion semi-finals.

The Clubsplosion semifinals rage on. Bianca and Emboar battle Stephan and Sawk, while Ash and Scraggy battle Montgomery and his Throh. In the finals, Stephan and Sawk face Montgomery and Throh. Who will win the Clubsplosion Tournament?

During a practice match against Iris' Emolga, Ash's Swadloon evolves into Leavanny. Leavanny's leaf-sewing process causes it to make costumes for the other Pokémon, but this causes Axew to be accidentally kidnapped by a pair of Durant who are building a den. They stop to think about how they are going to enter the Durant's den, and to be able to rescue Axew.

Ash, Cilan, and Iris make their way to Twist Mountain where they come across a fossil dig that has discovered a fossil Tirtouga. However, Team Rocket arrives and steals the fossil.

The adventure with Mount Twist, Tirtouga, and Carracosta continues.

Stopping at Abtilbe Town's Battle Club, Ash meets his Tepig's former trainer Shamus who abandoned Tepig because he felt he was too weak. Angry, Ash challenges Shamus to a double battle with Snivy and Tepig going up against Shamus's Emboar and Heatmor.

Ash, Iris, and Cilan finally arrive in Icirus City. But before Ash can challenge movie star Brycen and his Beartic for his next Gym Badge, they must help Brycen save Volcarona from the Pokémon Hunter Rizzo and his two Jellicent.

Ash challenges Brycen for the Icicle Badge, putting Scraggy, Krokorok, and Pignite up against Vanillish, Cryogonal, and Beartic.

With only one more badge left, the group heads to Opelucid City so Ash can challenge the Gym Leader. Unfortunately for Ash, the Gym in Opelucid City is closed. When the group stops in Stonesthrow Town, Cilan meets little Marigold who is picking out her first Pokémon today. Cilan offers his skills as a Pokémon Connoisseur, but another A-Class Connoisseur named Ricard Nouveau offers up his services instead of Cilan's, and they have a battle to determine who is the better Connoisseur. All while the S-Class Connoisseur Fauxgundy watches, but they believe they have seen her somewhere before.

The group meets up with Dragon Buster Georgia who has a Vanilluxe now. They travel to the Ferroseed Institute to see the Moss Pokémon Ferroseed being studied, but when an accident forces an evacuation, Iris, her Axew, Ash's Oshawott, and Georgia's Vanilluxe are trapped inside. Iris has not yet overcome her crippling phobia of Ice-Types, and she must figure out a way out with Vanilluxe at her side.

After Ash and the gang arrive in Virbank City and Cilan gives them a rundown of the area’s history, they run into their filmmaking friend Luke and his Zorua! Thanks to winning a film festival with the movie our heroes helped him make (The Legend of the Pokémon Knight), Luke is there to attend a preview event for Pokéstar Studios, a theme park opening soon within the film studio lots.

Ash heads to Virbank City to face off against its Gym Leader, punk rocker Roxie from the band Koffing and the Toxics, in order to obtain his eighth Unova League Gym Badge.

Ash's battle against Roxie for the Toxic Badge continues.