Ash begins his journey in Johto, a largely unexplored region said to be thickly populated with Pokémon entirely new to him and his friends.
In a Pokémon battle, Ash soundly defeats an ambitious young Trainer, who runs away dejectedly.
Ash and friends discover a forest where invading Pinsir are causing heavy deforestation.
Ash and friends stumble into a small valley where Donphan are used to harvest precious stones.
Who would be foolish enough to brave a thick forest in the dead of night without a Hoothoot guide? Certainly not Ash Ketchum...
Our heroes must help prepare an insecure Bellossom dance troupe for their upcoming exhibition.
Ash and friends reach a new town and hear of three mysterious robbers apparently mimicking the crimes of a legendary master thief.
With pet food prepared by a French chef, rooms of WalkMaster exercise equipment and closets stocked with the latest in Pokémon fashion, life couldn't be much better for a Palm Hills Snubbull.
Brock saves a lost and frightened Stantler fawn and carefully nurses it back to health before releasing it.
Ash encounters a wild Chikorita and engages it in battle, thinking to add it to his team.
Professor Oak's errand—to deliver the mysterious GS Ball to a Poké Ball expert—is interrupted when a Quagsire with a penchant for spherical objects steals the GS ball for use in a nocturnal ritual.
When Team Rocket attacks Ash and his friends, a brave young Trainer and her flock of Ledyba come to the rescue.
Team Rocket can't believe their luck when the Blissey employed in a Pokémon Center willingly gives them the cente's entire food supply.
Our heroes are recruited as guest instructors at a youth Pokémon Academy.
With Pikachu's help, Ash is confident that winning the Zephyr badge will be a breeze.
Cute and cuddly is one thing, but a bawling Marill is too much even for Misty.
Team Rocket's most recent super vehicle, the Arbotank, is their ticket to world domination.
When Ash hears of the nearby Charicific Valley, he is sure a quick trip would be just the thing to reignite his Charizard's flagging spirits.
The annual Sunflora contest is only a day away and yet our hero's new friend and Sunflora Trainer is unable to convince her star Pokémon to compete.
A severe case of rivalry between Pikachu and Chikorita calls for therapy sessions with Nurse Joy.
Our heroes chance upon a Hoppip—the fluffy "Cottonweed" Pokémon that is able to drift for miles on a passing wind.
When Ash and friends wander into town, they bring with them a challenge that threatens to be Gligarman's last—Team Rocket.
Team Rocket comes in sheep's clothing to relieve a kind Poké-shepherd of her Mareep flock.
When the most promising trainee at a Pokémon dojo abandons battle altogether, it's up to Ash and friends to convince him that battling is more than just a matter of probability.
With Charizard gone and no fire Pokémon to call his own, Ash is overjoyed to come across a Cyndaquil in the wild.
Ash carelessly makes enemies of the Slowpoke-worshipping residents of a town.
Ash delivers the mysterious GS Ball to a renowned Pokémon expert, but Team Rocket wreaks trouble when they attempt to harvest the Apricorns essential to local Poké Ball production.
When Ash reaches the Hive Gym, he has just the Pokémon to challenge the Gym Leader's Bug Pokémon.
An inexperienced young Trainer mistakenly scares off his own Farfetch'd.
At the Pokémon Swap Meet, our heroes befriend a young Pokémon trainer who's having difficulties finding a trading partner willing to accept his Wobbuffet. When Jessie inadvertently deposits her Poké Ball across from his in the exchanger, this young trainer gets more than he had bargained for.
Rocket attempts to steal all the water Pokémon from the annual Fire and Rescue Grand Prix.
Ash and friends enthusiastically volunteer to watch over a troubled trainer's school of Wooper.
While Ash and friends deliberate on how to pass through a tunnel replete with Onix, two wandering Pokémon arrive on the scene together.
Investigating a string of mysterious thefts, our heroes discover a pack of Houndour, struggling to survive in the wild.
Ash and Misty's friendly rivalry is tested when they both try to capture a Totodile at the same time. Unable to determine whose Poké Ball had captured the wild Pokémon, the two must battle it out to determine the Totodile's new master.
When Ash and friends hear of a virtually undefeatable trainer operating nearby, they seek her out.
Ash's Totodile falls head over tail for a passing Azumarill, but is still unsuccessful in having its feelings requited when Team Rocket kidnap the Pokémon before Totodile's eyes.
Ash has his sights set on a rare and brightly-colored Noctowl.
When an Ursaring attack leaves Team Rocket and our heroes in compromising positions, compromise they do, members of each team being paired with members of the other.
Our heroes come to a town whose residents all raise Psychic Pokémon to repel the Ghost Pokémon that lurk nearby