Arriving in the Unova region, Ash must suddenly deal with the loss of Pikachu's Electric-type powers!

Continuing their journey in the Unova region, Ash and Pikachu come across some new friends, as well as some old rivals!

On their way to Striaton City and Ash's first Unova Gym Battle challenge, our Heroes come across a family whose hotel is in dire need of help!

On his way to Striaton City and Ash's first Gym Battle challenge in the Unova Region, our Hero discovers the Pokémon Battle Club, and a new friend as well!

As Ash faces off against a most unusual Gym Leader challenge at the Striaton Gym, Team Rocket prepares to embark on the mission of a lifetime!

As Ash's first Unova region Gym Battle challenge continues, Ash discovers a kindred spirit in Cilan - one of the three Striaton City Gym Leaders!

Continuing onto Nacrene City and his second Gym Battle challenge, Ash comes across an amazing Snivy that proves difficult to catch indeed!

As our Heroes head toward Nacrene City and Ash's next Gym Battle, they come across a pair of Darumaka behaving in a most peculiar manner!

A surprise Battle between Iris, Axew, Cilan and Pansage reveals the story of a promise made not so long ago...

Stopping at a Battle Club on his way to the Nacrene City Gym, Ash is surprised to find that his Unova region rival, Trip, is there as well!

On their way to the Nacrene City Gym, our Heroes come across a Dwebble with an unusual housing problem!

On their way to Nacrene City, our Heroes run into Professor Juniper's helper, Bianca, offering up one surprise after another!

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!

With Ash's rematch challenge at the Nacrene City Gym coming soon, the first order of business is some serious special training!

Ash's Pokémon Egg is ready to hatch, and our Heroes are in for some surprising adventures as a result!

After our Heroes get lost in a large forest on their way to Castelia City, what they find more than makes up for being lost!

Discovering a brand new Poké Mart on their way to Castelia City, our Heroes come across a most unusual Pokémon Connoisseur!

On their way to Castelia City, our heroes come across their old Pokémon friend Sandile, and three mischievous Pokémon who are anything but friendly!

City, crossing the Skyarrow Bridge proves more complicated then they thought it would be!

After arriving in Castelia City, our heroes discover an enormous colony of Venipede swarming the city and threatening its citizens!

The exciting moment for Ash's Gym Battle with Burgh, the Castelia Gym Leader, has finally arrived!

As our heroes, along with their old friend Bianca, continue toward the Nimbasa Gym, they come across a Pokémon that Bianca just has to catch!

As our heroes continue toward Nimbasa City, Iris's new friend Emolga proves just how amazing and unpredictable a Pokémon can be!

Seeking shelter from a raging rain storm, our heroes enter what appears to be an empty mansion, but what turns out to be anything BUT empty!

On their way to Nimbasa City and Ash's fourth Gym Battle challenge, our heroes meet a fledgling Trainer with an important decision to make!

On their way to Nimbasa City, our heroes come across a Trainer and his Blitzle who put Oshawott to the battle test!

As our heroes continue their journey to Nimbasa City, they encounter a lovesick Cottonee with confidence issues!

Continuing to Nimbasa City, our heroes witness a mysterious UFO and Pokémon, with even more mysterious origins!

On their way to Nimbasa City, our heroes run into Ash's rival Trip, leading to a third battle between two very determined Trainers!

Many of our heroes' Pokémon have fallen ill from the poison spores of a group of Foongus, and Oshawott must face its fear in order to help provide the cure!

On their way to Nimbasa City, our heroes meet a Dragon Buster named Georgia, who unexpectedly changes the relationship between Iris and Excadrill forever!

While on their way to Nimbasa City, our heroes' lunch is interrupted by a feisty Roggenrola, which leads them to thwart another sinister Team Rocket plan!

On their way to Nimbasa City, our heroes get involved in an investigation of disappearing Audino and meet a couple of budding young sleuths in the process!

Reuniting with their old friends, Professor Juniper and Dr. Fennel, our heroes witness the restoration of the ancient Pokémon Archen!

On their way to Nimbasa City and Ash's next Gym Battle, a fishing competition "lures" our heroes into a sinister Team Rocket plot!

On their way to Nimbasa City, a discussion about favorite movies and movie actors leads our heroes to a memorable encounter with a budding filmmaker and his amazing partner, Zorua!

The day of the Nimbasa Town Pokémon Battle Tournament is here for our heroes, and it's a happy meeting of lots of old friends as well!

It's Cilan versus Trip during round one of the Nimbasa Town Club Battle! Then, for round two, it's Ash versus Georgia!!

The second round bouts of the Club Battle rage on, culminating in a roaring battle between Iris's agile Emolga and Stephan's powerful Sawk!

The moment for the final round of the Nimbasa Pokémon Club Battle has arrived, with two good friends battling head-to-head!

A surprise appearance by none other than Meowth has helped our heroes to solve one problem after another!

Continuing their journey and still accompanied by Meowth, our heroes come across a Purrloin in distress, though not everyone is buying its pleas for help!

On their way to Nimbasa City, our heroes, along with Meowth, have found themselves in a dream they can't seem to awaken from!

As our heroes, traveling with Meowth, approach Nimbasa City, they discover a lost Cubchoo, which leads them into a dangerous confrontation!

Our heroes have arrived in Nimbasa City, unaware that a crisis of major proportions is about to be unleashed!

As Team Rocket continues their attempt to steal the Pokémon from the Nimbasa City Pokémon Center, our heroes must successfully stop Team Rocket's escaping Ghost Train - at all costs!