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

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 Pokémon 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 Pokémon.

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 Pokémon 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.

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.

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 Pokémon.

The adventurers meet up with Doctors Juniper and Fennel as they work to bring back an ancient Pokémon 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 Pokémon 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 Pokémon, and use their "Ghost Train" to make their escape.

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.