Episode 1
Aired Sep 23, 2010
In the Shadow of Zekrom!
Upon arriving in the Unova region with Pikachu, his mom and Professor Oak, Ash must unexpectedly deal with the loss of Pikachu's electric powers.
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Episode 2
Aired Sep 23, 2010
Enter Iris and Axew!
Just as Ash makes a new friend in a trainer named Iris, Team Rocket appears and tries to steal Pikachu and Iris' Axew; Ash sends his newly caught Pidove against Jessie and her new Woobat, but Pidove is not strong enough.
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Episode 3
Aired Sep 30, 2010
A Sandile Gusher of Change!
On their way to Striaton City and Ash's first Unova Gym Battle challenge, Ash and Iris come across a family who run a hotel in dire need of help.
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Episode 4
Aired Oct 7, 2010
The Battle Club and Tepig's Choice!
Ash and Iris stop in Accumula Town and find Don George's Battle Club; after watching a battle between a Servine and a Dewott, Ash challenges the owner of the Dewott, but an intruder Pokémon delays their match.
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Episode 5
Aired Oct 14, 2010
Triple Leaders, Team Threats!
Arriving in Striaton City, Ash looks for his first battle in the Unova region and runs up against three gym leaders; Team Rocket undertakes a mission to steal something vital from a research facility.
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Episode 6
Aired Oct 21, 2010
Dreams by the Yard Full!
With one win and one loss, Ash must defeat the third gym leader to claim the Trio Badge, and he gains a new ally for his efforts; Team Rocket's attempt to take the secret of "future energy" draws unwanted attention.
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Episode 7
Aired Oct 28, 2010
Snivy Plays Hard to Catch!
Ash, Iris and Cilan come across a clever and speedy Snivy that proves difficult to catch.
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Episode 8
Aired Nov 4, 2010
Saving Darmanitan From the Bell!
When two Darumaka uncharacteristically steal food from Ash, Iris and Cilan, the gang follows them to a run-down clock tower and discovers why the Pokémon need the food so badly.
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Episode 9
Aired Nov 11, 2010
The Bloom Is on Axew!
A surprise battle between Iris, Axew, Cilan and Pansage reveals the story of a promise Iris made to her town's elder that started her on her quest.
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Episode 10
Aired Nov 18, 2010
A Rival Battle for Club Champ!
Ash runs across his Unova region rival, Trip, and challenges him to a five-on-five battle; Jessie and James find the authorities waiting for them at the Dreamyard, but a fellow Team Rocket member named Pierce arrives to bail them out.
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Episode 11
Aired Dec 2, 2010
A Home for Dwebble!
Ash, Iris and Cilan decide to help a Dwebble regain its all-important stone from three other Dwebble that snatched it away, but first they must convince the shaken Dwebble they mean it no harm.
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Episode 12
Aired Dec 9, 2010
Here Comes the Trubbish Squad!
Continuing to Nacrene City and Ash's next gym battle, the gang meets a boisterous kindergarten class, a Trubbish rescued from a junkyard, and the class' teacher, who wants the Trubbish gone.
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Episode 13
Aired Dec 16, 2010
Minccino - Neat and Tidy!
Ash meets up with Bianca, who gives him a very dirty badge case at the request of Professor Juniper, but a Minccino nabs the case and runs away.
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Episode 14
Aired Dec 23, 2010
A Night in the Nacrene City Museum!
Arriving in Nacrene City, Ash and friends find the city gym located inside a museum; one of the museum's curators tells Ash, Iris and Cilan about a strange apparition haunting the building and decide to investigate.
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Episode 15
Aired Jan 6, 2011
The Battle According to Lenora!
The Nacrene Gym Battle between Ash and Lenora pits their Pokémon two on two, with Lenore's Watchog and Lillipup versus Ash's Tepig and Oshawott.
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Episode 16
Aired Jan 13, 2011
Rematch at the Nacrene Gym!
Determined to win his rematch against Lenora, Ash goes to the Pokémon Battle Club for some training; Tepig and Oshawott concentrate on improving their speed and power.
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Episode 17
Aired Jan 20, 2011
Scraggy-Hatched to Be Wild!
While on the way to Castelia City, a Scraggy hatches from the Pokémon egg Ash got earlier; the stubborn Scraggy has trouble accepting Ash and his Pokémon and it runs off, only to encounter a horde of aggravated Galvantula.
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Episode 18
Aired Jan 27, 2011
Sewaddle and Burgh in Pinwheel Forest!
Ash and friends carefully follow a path through the vast Pinwheel Forest, but a sudden encounter with a Sewaddle leads them astray; they come across Burgh, the Castelia City gym leader who tries to help Ash get to know Sewaddle.
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Episode 19
Aired Feb 17, 2011
A Connoisseur's Revenge!
Ash and friends come across a Pokémon connoisseur, someone who provides readings for trainers and their Pokémon to gauge their compatibility; when the connoisseur gives Ash a shocking evaluation, he faces having to give up all his Pokémon.
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Episode 20
Aired Feb 24, 2011
Dancing With the Ducklett Trio!
Ash trains with Pikachu, and the duo come face to face with the same Sandile they met near Nuvema Town, but before they can battle, a gang of three Ducklett interrupts and causes some mischief.
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Episode 21
Aired Mar 3, 2011
The Lost World of Gothitelle!
Ash, Iris and Cilan must cross the Skyarrow Bridge to reach Castelia City, but an angry Gothitelle attacks them and sends them into the past.
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Episode 22
Aired Mar 10, 2011
A Venipede Stampede!
After arriving in Castelia City, Ash, Iris and Cilan discover an enormous colony of Venipede swarming the city and threatening its citizens.
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Episode 23
Aired Mar 17, 2011
Battling for the Love of Bug-Types!
Ash, vying for his third Unova badge, meets up with Burgh in the Castelia City gym, where they do battle with only three Pokémon each; Team Rocket attempts to check in with their leader for their next assignment.
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Episode 24
Aired Mar 24, 2011
Emolga the Irresistible!
Traveling with Bianca to Nimbasa City, the group comes across a wild Emolga who, unknown to them, recently tricked a group of male Patrat into giving it apples.
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Episode 25
Aired Mar 31, 2011
Emolga and the New Volt Switch!
Bianca asks Iris for a practice match against Emolga, and they begin the battle of Emolga vs. Pignite; Emolga refuses to follow Iris' commands and runs off on its own.
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Episode 26
Aired Apr 7, 2011
Scare at the Litwick Mansion!
Ash, Iris and Cilan get caught in a raging storm and seek shelter inside a mansion full of Litwick; Team Rocket plans to use the mansion as a secret base, but the Litwick have other plans.
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Episode 27
Aired Apr 14, 2011
The Dragon Master's Path!
Iris comes across a menacing Druddigon and its trainer, Emmy, who asks Iris to teach her about raising dragon-type Pokémon; they confront Team Rocket when the villains capture Druddigon and Axew.
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Episode 28
Aired Apr 21, 2011
Oshawott's Lost Scalchop!
Ash and company come across a trainer named Stephan who challenges Ash to a battle; when Oshawott's Scalchop gets accidentally knocked away into the forest, Oschawott faces the prospect of having to battle without it.
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Episode 29
Aired Apr 28, 2011
Cottonee in Love!
A male Cottonee looking for a mate interrupts a practice match between Scraggy and Axew; when he finds a female Cottonee, she attacks him for being too weak, so Ash and friends offer to teach the rejected Cottonee the art of battling.
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Episode 30
Aired May 5, 2011
A UFO for Elgyem!
Ash, Iris and Cilan spot a UFO and want to investigate what it could be, but on their way to talk to the UFO specialist Professor Icarus, they begin seeing foreboding visions of the future.
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Episode 31
Aired May 12, 2011
Ash and Trip's Third Battle!
Cilan sends Iris and Ash elsewhere while he cooks lunch for the group, causing Ash to run into his rival Trip; as Ash and Trip fight their third battle, Trip reveals his motivation for winning the Unova Championship.
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Episode 32
Aired May 19, 2011
Facing Fear With Eyes Wide Open!
When the gang's Pokémon fall ill from the poisonous spores of a group of Foongus, Oshawott must face its fear to help Ash find the cure.
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Episode 33
Aired May 26, 2011
Iris and Excadrill Against the Dragon Buster!
The group encounters a self-proclaimed "Dragon Buster" named Georgia who defeats Iris' Excadrill so badly it goes into hiding; Iris realizes she needs to be more careful of Excadrill's feelings in combat and vows to become a better trainer.
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Episode 34
Aired Jun 2, 2011
Gotta Catch a Roggenrola!
After a feisty Roggenrola interrupts the gang's lunch, they learn that Team Rocket is in a cave nearby rounding up every Roggenrola they can find to power a new weapon.
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Episode 35
Aired Jun 9, 2011
Where Did You Go, Audino?
Cilan volunteers to help protect the disappearing Audino population, tagging the three remaining ones with tracking devices and following them when they wander off.
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Episode 36
Aired Jun 16, 2011
Archeops in the Modern World!
Professor Juniper and Professor Fennel revive an ancient Pokémon called Archen, the ancestor of all flying-type Pokémon, but Archen cannot fly, so Ash and friends team up with the professors to help it learn.
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Episode 37
Aired Jun 23, 2011
A Fishing Connoisseur in a Fishy Competition!
Ash, Iris and Cillan enter a fishing competition along with Bianca, not realizing that Team Rocket runs the show and intends to steal everyone's water-type Pokémon.
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Episode 38
Aired Jun 30, 2011
Movie Time! Zorua in the Legend of the Pokémon Knight
Luke, a budding young filmmaker, asks the gang to costar in his next project with his star actress, Zorua, but Team Rocket decides to steal the rare Pokémon.
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Episode 39
Aired Jul 7, 2011
Reunion Battles in Nimbasa!
Ash and friends arrive in Nimbasa Town and learn it differs from their true goal, Nimbasa City; Ash, Iris, Cilan and Luke decide to stay to compete in Don George's Battle Club tournament alongside many of the gang's friends and rivals.
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Episode 40
Aired Jul 21, 2011
Cilan Versus Trip, Ash Versus Georgia!
As the Nimbasa club battle rages on, Cilan's first-round match pits him against Trip, who once battled Cilan's brother Chili; the Round 2 battles begin with Ash in a match against Georgia, who proves to be a formidable opponent.
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Episode 41
Aired Aug 4, 2011
The Club Battle Hearts of Fury: Emolga Versus Sawk!
The second round of the club battles at Nimbasa Town continues with Georgia battling Ash; Cilan battles Luke, who struggles at first, so Cilan selflessly gives him advice during the match; Iris sends out Emolga to combat Stephan's aggressive Sawk.
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Episode 42
Aired Aug 11, 2011
Club Battle Finale: A Hero's Outcome!
The final round of the club battle pits two determined friends against each other in a fierce match; Burgundy challenges Cilan to a Connoisseur Battle during the competition.
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Episode 43
Aired Aug 18, 2011
Meowth's Scrafty Tactics!
Ash, Iris and Cilan take pity on Meowth after Team Rocket rejects him for botching an operation, so in return, Meowth helps the gang negotiate with a needy Scrafty who captures Axew.
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Episode 44
Aired Aug 25, 2011
Purrloin: Sweet or Sneaky?
Ash and friends come across a Purrloin who lures them into a cave, where it steals Ash's backpack and food; Cilan meets the Purrloin's owner, Misha, and learns the truth about it.
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Episode 45
Aired Sep 1, 2011
Beheeyem, Duosion, and the Dream Thief!
Meowth comes across a Beyeehem, who claims to be able to grant the gang any wish they desire, but it turns out to be a ruse from the "Dream Thief," Leon, who traps everyone in a dream world in a plot to steal the gang's Pokémon.
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Episode 46
Aired Sep 8, 2011
The Beartic Mountain Feud!
Ash and friends must fight their way through a group of angry Beartic to get a lost Cubchoo back to its friends, but Meowth, Cubchoo and other Pokémon become separated from the trainers in the process, testing Meowth's leadership skills.
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Episode 47
Aired Sep 15, 2011
Crisis From the Underground Up!
In Nimbasa City, Meowth shows his true colors; a Team Rocket plot puts the whole city in danger.
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Episode 48
Aired Sep 15, 2011
Battle for the Underground!
The gang hits obstacle after obstacle in their attempt to stop Team Rocket from stealing Nimbasa City's Pokémon as Pikachu and the other captive Pokémon aboard the Ghost Train fight to break free.
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