In the Shadow of Zekrom!
Ash and his mother take a vacation with Professor Oak to the Unova region. A dark cloud reveals a mysterious Pokémon which affects Pikachu.
Episode 10
Enter Iris and Axew!
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.
Episode 20
A Sandile Gusher of Change!
Ash and Iris try to help the owners of a Hot Sand Resort who are being plagued by Sandile.
Episode 30
The Battle Club and Tepig's Choice!
Ash and Iris stop at a Battle Club for some training. Ash's battle is interrupted by Team Rocket and a mysterious Pokémon.
Episode 40
Triple Leaders, Team Threats!
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.
Episode 50
Dreams by the Yard Full!
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.
Episode 60
Snivy Plays Hard to Catch!
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.
Episode 70
Saving Darmanitan From the Bell!
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.
Episode 80
The Bloom Is on Axew!
Iris has a training battle with Cilan, and her past is explored.
Episode 90
A Rival Battle for Club Champ!
Ash challenges Trip to a full Pokémon battle.
Episode 100
A Home for Dwebble!
Ash and company encounter a Dweeble who has his shell stolen from him by other Dweeble. They aide him reclaiming his home.
Episode 110
Here Comes the Trubbish Squad!
Ash and friends come across a group of kindergarten students who have befriended a Trubbish after rescuing it from a junkyard.
Episode 120
Minccino-Neat and Tidy!
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 Pokémon.
Episode 130
A Night in the Nacrene City Museum!
Arriving in Nacrene City, our Heroes discover the Gym has a most unusual location and situation!
Episode 140
The Battle According to Lenora!
The day for Ash's Nacrene City Gym Battle challenge is here, and Lenora isn't about to go easy on our Hero!
Episode 150
Rematch at the Nacrene Gym!
After some special training, Ash challenges Lenora to re-match.
Episode 160
Scraggy-Hatched to Be Wild!
Ash's Pokémon egg finally hatches revealing a Scraggy.
Episode 170
Sewaddle and Burgh in Pinwheel Forest!
Ash and company get lost in Pinwheel Forest and encounter a wild Swaddle and Burgh, the next gym leader Ash wants to challenge.
Episode 180
A Connoisseur's Revenge!
The adventurers encounter a Pokémon Connoisseur who insists that Ash replace all his Pokémon. They soon discover she has a past with Cilan, and a Pokémon battle ensues.
Episode 190
Dancing With the Ducklett Trio!
A previously encountered Sandile wants to battle Ash's Pikachu. But their battle is interrupted by some wild Duckletts.
Episode 200
The Lost World of Gothitelle!
The adventurers cross a foggy bridge and seemingly into the past where they meet a young girl and her Gotitelle.
Episode 210
A Venipede Stampede!
The adventurers arrive in Castilla City and find that it's overrun with Venipede.
Episode 220
Battling for the Love of Bug-Types!
Ash battles Burgh for his third badge.
Episode 230
Emolga the Irresistible!
The adventurers try to help Bianca capture an Emolga.
Episode 240
Emolga and the New Volt Switch!
Iris attempts a training battle with her newly-acquired Emolga. But Emolga has other ideas.
Episode 250
Scare at the Litwick Mansion!
While taking cover from the rain, the adventurers encounter Team Rocket and some seemingly helpful Litwick.
Episode 26Filler0
The Dragon Master's Path!
The adventurers meet Emmy, a trainer who has yet to start her journey. Iris reveals her dream to be a Dragon Master.
Episode 270
Oshawott's Lost Scalchop!
During a battle with another trainer, Oshawott loses his scalchop, causing Oshawott to run off to search for it mid-battle.
Episode 280
Cottonee in Love!
The adventurers try to help a wild Cottonee who's having during its mating season.
Episode 29Filler0
A UFO for Elgyem!
The adventurers spot a UFO and encounter Professor Icarus, an expert on the subject.
Episode 30Filler0
Ash and Trip's Third Battle!
Ash and Trip have a 3-on-3 battle.
Episode 310
Facing Fear with Eyes Wide Open!
Having learned why Oshuwott is having difficulty with Aquajet, Ash helps Oshuwott through special training.
Episode 320
Iris and Excadrill Against the Dragon Buster!
Iris is challenged by Georgia - a Dragon Buster. Iris's past with Excadrill is revealed.
Episode 330
Gotta Catch A Roggenrola!
Ash attempts to capture a Roggenrola, but the battle is interrupted as they investigate Roggenrola's home and find Team Rocket.
Episode 340
Where Did You Go, Audino?
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 Pokémon.
Episode 35Filler0
Archeops in the Modern World!
The adventurers meet up with Doctors Juniper and Fennel as they work to bring back an ancient Pokémon from a fossil.
Episode 360
A Fishing Connoisseur in a Fishy Competition!
The adventurers enter a fishing competition unaware that the competition is being run by Team Rocket.
Episode 370
Movie Time! Zorua in "The Legend of the Pokémon Knight"!
The adventurers make a movie.
Episode 380
Reunion Battles In Nimbasa!
Day one at the Nimbasa Battle Tournament, a time to meet up with old friends and rivals.
Episode 390
Cilan Versus Trip, Ash Versus Georgia!
Day two of the battle tournament.
Episode 400
The Club Battle Hearts of Fury: Emolga Versus Sawk!
Round 2 of the competition continues.
Episode 410
The Club Battle Finale: A Heroes Outcome!
The final round of the tournament: Ash vs Iris.
Episode 420
Meowth's Scrafty Tactics!
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.
Episode 430
Purrloin: Sweet or Sneaky?
The adventurers encounter a Purrloin who claims it needs their help.
Episode 440
Beheeyem, Duosion, and the Dream Thief!
The adventurers meet Beheeyem, a Pokémon that can make dreams come true. They soon become trapped in a dream world and must find a way to escape.
Episode 450
The Beartic Mountain Feud!
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.
Episode 460
Crisis from the Underground Up! (1)
Team Rocket executes their plan. They manage to steal several Pokémon, and use their "Ghost Train" to make their escape.
Episode 470
Battle For The Underground! (2)
The adventurers try to find Team Rocket's Ghost Train, and all the stolen Pokémon. Meanwhile Pikachu and Axchew try to free themselves and the other Pokémon.
Episode 480
Enter Elesa, Electrifying Gym Leader!
After the events that occurred at the Battle Subway cause of Team Rocket, Ash and co. made their way back to Nimbasa City the next day. Now it's time for Ash to challenge the Nimbasa City Gym and they have a run into Bianca again (in her usual way). They soon realize the Gym is closed since the Gym Leader wasn't there and saw a note on the door. After they read it, it turns out the Gym Leader, Elesa, (the Super Model) was busy with the Unova fashion show, but after seeing a Pikachu in person up close, she introduces herself and accepts Ash and Bianca's Gym Challenge. After the fashion show, as Bianca's Gym Battle was about to begin, her father appears and wants to bring her home, but Bianca refuses to go back home. The battle goes under-way and Bianca lost. Will she continue on her journey or go home?
Episode 490
Dazzling the Nimbasa Gym!
The time has finally come. Ash vs. Elesa in a Pokémon Gym Battle. Ash tries to think of a strategy and comes up with one. Since Elesa uses Electric-Type Pokémon, and since Ground-Type Pokémon beat Electric-Types, Ash has decided to use only his Palpitoad during the battle and leave Pikachu out. Will Ash's strategy work, especially if Elesa's other two Pokémon have no weakness against Ground-types?
Episode 500
As with both the Advanced Generation and Diamond & Pearl series before it, the Best Wishes! series begins with only Ash Ketchum, headed off to the Unova region, located far away from Kanto, Johto, Hoenn and Sinnoh, with his Pikachu. After he meets up with the new trainer and rival Trip and the region's Professor Juniper, he gains traveling companions in Iris, a girl from a town known for its Dragon Pokémon, and Cilan, Pokémon Connoisseur and the Grass Pokémon specialist of the three Straition City Gym Leaders.
