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.

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.