Ash and friends stop at a convenience store for some supplies for their journey to Valencia Island, and outside Ash participates in a contest and ends up winning blimp tickets to the island! What they don't know though, is that it was a setup by Team Rocket. However, before Team Rocket can plan anything, they lose control of the blimp, and Ash, Misty, and Brock also lose Togepi. Now everyone is in an all out race to find Togepi, dodge the ghost of the blimp, and catch Pikachu before the blimp crash lands.
Walking along the beaches of Valencia Island, Ash and friends are searching for Professor Ivy, who luckily ends up appearing on her own. After finding out why they are there, she takes them to the lab where she shows them the GS Ball and explains why it is so mysterious. Ash then calls Professor Oak about it and Oak is excited to look at it, and then he and Ivy get into a discussion about their various works. Following that, Brock helps clean their living quarters and even makes dinner. That night a little scare happens when Professor Ivy jumps into a cloud of Vileplume's Stun Spore to save a Raticate, and she is taken to the Pokemon Center.After spending the night on the island and seeing how Ivy ans her assistants live and work, Brock decide to make a bold decision as Ash and Misty are ready to leave.
After picking up the "GS Ball" from Professor Ivy, Brock decided to stay on the island so Ash and Misty head back home by blimp. Unfortunately, our duo gets double-crossed by Team Rocket once again, and then Jigglypuff puts the whole crew to sleep. The blimp crashes on sunny Tangelo Island. Ash and Misty then wonder along the beach and find some kids picking on a beached baby Lapras. They chase them away and get a hold of Nurse Joy to come save it. At the center they meet Tracey, and Ash learns of the Orange League, and wants to compete. Professor Oak agrees to wait for the GS Ball so that Ash can compete. Meanwhile, Team Rocket want to steal the Lapras while it is defenseless.
Ash, Misty, and their new friend Tracey begin their journey through the Orange Islands so Ash cam compete in the Orange League. Their first stop is Mikan Island where the first Orange League Gym is located. Ash meets the gym leader Cissy and challenges her to a battle. However, Ash soon learns that in the Orange League, Gym Battles are not what he is used to, such as accuracy tests and water races. Will Ash conquer this type of gym and win his first badge?
The group are headed towards Mandarin Island on Lapras. When they arrive there, they see a person being attacked by some Pokemon. As they go to investigate; Pikachu stops, turns around, and attacks Ash. Togepi jumps out of Misty's arms. Then a group of Magnemite surround Ash, shocking him. To create a distraction, an Electrode rolls by and explodes in front of Ash. When the smoke clears Pikachu and Togepi are gone. They find out from Officer Jenny that the same thing has happened to many others. They believe it is some sort of psychic Pokemon behind all of this, because Jenny's Gastly is not effected. Meanwhile, Jessie and James are on the island and Meowth suddenly leaves them. They follow him to the source of all this, it is the work of Butch and Cassidy. Butch and Cassidy get rid of them, and Officer Jenny find them. Team Rocket reluctantly agree to help Officer Jenny and Ash to stop Butch and Cassidy.
While riding around the Orange Islands on his Lapras, Ash finds a mysterious message in a bottle, which leads the gang on a new adventure. Ash, Misty, and Tracey travel to Sunburst Island, which is famous for its artists and glassblowers. They meet a struggling young shopkeeper named Mateo who's seeking inspiration from a legendary "Crystal Onix." Having been unable to find this special Pokemon, the shopkeeper turns to our heroes. With Tracey and his observational Pokemon on board, they set out to fire up a new friend's creative drive!
A raging whirlpool whisks our heroes to top-secret Pinkan Island, a magical place where sheer cliffs and special berries have created a plethora of pink Pokemon. Tracey's Pokemon watching skills are put to quite a test, while Ash's attempts at observing lead to trouble for both his friends and a feisty pink Rhyhorn. Officer Jenny and Professor Oak explain that people are not allowed on the island since poachers would love to get their hand on the pokemon. However, Team Rocket is already ready to launch their plan to capture the pink pokemon.
Aboard Lapras, the group follows a news crew to an uninhabited island, where a scientific expedition is underway after the discovery of a fossilized Kabuto. A series of natural disasters place our heroes in mortal danger, with only the power of their Pokemon to help them. What is the secret of the Kabuto, and who wants that secret to remain hidden?
Ash, Misty, and Tracey buy tickets to the Pokemon Showboat, a wonderful carnival where Pokemon can speak and perform plays! A young actress from the performance has been having problems with her Raichu ever since it shocked her early in their relationship. Ash and Pikachu may be able to help. Of course, they'll have to deal with Team Rocket first, as they attempt to steal all the "talking" Pokemon.
While Pikachu, Togepi and Psyduck are sleeping on Lapras' back, Psyduck slips off and into the water. Everyone searches for Psyduck but they can't find it. Meanwhile, a girl named Marina finds Psyduck and thankfully finds Misty. Psyduck's tail begins to glow and Marina says that is a sign that it should be ready to evolve. Since Marina is a water-type trainer, the two girls decide to have a battle. During the battle, when Misty goes to use Psyduck, she notices the pokeball is empty. She asks Ash to throw her bag to her, but he doesn't throw far enough and it lands in the water. When Misty goes to recover her bag, there is a Golduck hanging from it. She believes it to be hers and starts and is super excited to use it. However, Golduck may not be all that it seems. Meanwhile, Team Rocket is planning on stealing Golduck.
Ash and friends continue their journey through the Orange Islands. The come across a very athletic Nurse Joy who travels to nearby islands and helps Pokemon, and decide to follow her as she makes her rounds. Then, a huge storm hits while Nurse Joy is heading to another island, and Ash, Misty, and Tracey decide that they must help her stay safe in the storm and still help all the sick baby Seel.
Ash finally arrives on Navel Island for his second Gym Battle. On the island, they meet Danny, the gym leader. Like the previous gym, Danny's gym is run a little differently. Instead of a battle Ash must complete a few tests. The first one involves climbing up the mountain in the center of the island. Despite having a tough time, Ash makes it to the top. Now comes the real challenge. Ash must freeze a geyser, and use it to slide back down the mountain before Danny in order to win his badge.
Continuing their journey in the Orange Islands, Ash and friends stop at the Seven Grapefruit Islands, a small chain of islands known for grown tons of Grapefruit. When they try to pick them, a girl named Ruby appears and calls them thieves, and tries to stop them. However, it is just misunderstanding. When the real thief appears, they agree to help her, but that may be easier said then done when the thief is a very hungry Snorlax that can swim between islands!
Ash, Tracey and Misty find more excitement than they bargain for when they reach their next destination. Professor Oak tells them that divers have recovered an Orange League Championship trophy off the coast of Moro Island that dates back over two hundred years! The trophy is on display at the Moro Island Museum of Art for all to see. By the time they get to the museum, Team Rocket has already broken in and stolen the trophy and Ash, Misty, and Tracey must find them and get the trophy back.
Team Rocket has engine trouble and lands on an island where the natives are waiting for the "Great Meowth of Bounty" to arrive and fulfill an ancient prophecy. When Meowth gets mistaken for this great creature with special powers, he enjoys the special treatment and decides to play along. But, when he's unable to perform the ancient ritual that's expected of him, the treatment he gets becomes less and less enjoyable.
On the way to the third Orange Island Gym, Ash and friends stop at an island inhabited by tons of bug pokemon (much to Misty's dismay). In the woods they find an injured Scyther and try to catch it so it can be taken to the Pokemon Center. Scyther tries to put up a fight but Tracey has Venonat put it to sleep and he catches it. At the center Nurse Joy tells them about how wild Scyther live and this must have been the former leader of its group. Later that day, Scyther break out of the center and goes to redeem itself. Meanwhile, following a encounter with the wild Scyther which causes part of Jessie's hair to be cut off, Team Rocket decide to capture all of them.
Ash and friends arrive on a small island hoping to get some rest and relaxation. However, things don't turn out so good when Charizard and Scyther begin to fight, and Team Rocket is once again planning on capturing all their pokemon.
Ash, Misty, and Tracey are on Mandarin Island where Ash has just won three battles in a row. He starts to become cocky, and when he has a chance encounter with Prima of the Elite 4, he believes he can take her on. However, she ignores his battle request and talks about the sea and admires Pikachu and Togepi, causing Ash to go and battle a nearby trainer. Ash's arrogance gets the best of him when he uses Charizard in a battle and it goes out of control. Prima then comes and uses her Slowbro to stop it. She tells Ash that he should come and watch her demonstration the next day and learn something. They go, and Ash is still unimpressed. He once again demands a battle and she agrees. Will Ash defeat a member of the Elite 4, or will his arrogance get the better of him?
Our heroes are on their way to Trovita Island when they come across two Pokemon trainers who seemingly hate each other, even though their two Pokemon are in love. Tony has a male Nidoran and Emily has a female Nidoran and all that the two Pokemon want is to be together. Misty then takes it upon herself to get these two Pokemon together
While traveling across Mandarin Island, Ash and friends must stop and rest because of a thunderstorm. During the storm they notice a bunch of Magnemite absorbing the lighting. After the storm they find their trainer Ethan who explains that he collects the electricity from lighting and delivers it to towns. Following the storm, a town is left with out power and the Pokemon Center needs it soon. However, Ethan is injured, and now Ash, Misty, and Tracey must help him get to the next town while fending off Team Rocket and keeping track of his sneaky Magnemite #6.
Ash and the group have finally made their way to the city of Trovitopolis, which has a ferry to Trovita Island, the location of the next Orange League Gym. However, the town is not as normal as they think, apparently a monster is in the sewer and has taken Ash's Bulbasaur. Now Ash, Misty, and Tracey must venture into the sewers to find this so called monster before the city's mayor and his SWAT team close off the sewers and trap them.
Ash, Misty, and Tracey finally arrive on Trovita Island, the location of the third Orange League Gym. However, the Gym Leader, Rudy, is too busy focusing on Misty to care about Ash's gym request. After a day of begging, Rudy finally agrees, but Ash must a test first. First he must knock down targets that appear while he travels down a river. After completing that, they move onto the main event, a 3-on-3 battle, and if Ash wins he earns another badge. Meanwhile, Rudy also asks Misty to stay on the island with him, and she is considering it, but will she stay, or continue traveling with Ash?
On the way to the fourth gym, Team Rocket attacks and captures Pikachu. They attach Pikachu to a ring that is also attached to another ring with Meowth on it. Then, Meowth and Pikachu get lost without the key. Now it is a race to find the pair, while at the same time trying to stay clear of the giant Pidgeot and Rhydon that inhabit the island. But what will happen with Pikachu and Meowth while they are lost?
While traveling through the Orange Islands, Ash and friends arrive at legend rich Shamouti Island. There the annual legend festival is beginning and Ash is revealed to be the Chosen One. As a greedy collector disturbs the peace between Moltres, Zapdos, and Articuno by capturing them, nature is thrown out of balance with strange storms happening all over the planet, turning the tropical Orange Islands into a winter wonderland. Now Ash must head to Fire, Lighting, and Ice islands and retrieve the three treasures that will calm the fighting Legendary Birds, as well as stop the greedy collector from capturing Lugia, the only pokemon who can help stop the fighting birds. But that is easy said them done with the three fighting Legendary Pokemon determined to stop him.
Ash and friends arrive on an island to get something to eat, but those plans are interrupted by a warehouse fire. They try to help, but it's not enough. All of a sudden a group of Wartortle appear and put the fire out. Their trainer, Captain Aidan uses Squirtle, Wartortle, and Blastoise for fighting fires. Wanting to prove itself as strong as its evolution, Squirtle begins to train with Captain Aidan. Meanwhile, Team Rocket wants to capture all the firefighter teams for themselves.
After begin stuck on an island for a week, Ash and friends must go looking for food. However, they end up meeting a kid named Gulzar who wears flowers on his head. He gets upset and demands a battle with Ash. During the battle Ash tries to call out Snorlax and accidentally drops its pokeball, which shatters! The only way to fix it is to go to a Pokemon Center. Now they must get the sleepy and hungry Snorlax all the way to the other side of the island somehow, which is easier said then done.
Ash and friends finally arrive on Kumquat Island, the location of the final Orange League Gym Battle. Before Ash can go to the gym, Team Rocket attacks the beach in the Robo-Rhydon. However, Luana, the Gym Leader arrives and defeats it for them. Ash challenges her to a battle and she agrees. However, it will be a double battle, a brand new experience for Ash, will he be able to beat Luana and win his final Orange Leage Badge.
Ash, Misty, And Tracey are suddenly caught in a migrating group of Magikarp. A submarine surfaces and a man named Dr. Quakenpoker comes out and tells them that he studies the Magikarp every year. Ash, Misty, and Tracey decide to help him, and begins an adventure of a lifetime.
Ash and Pikachu stand at the edge of a rock by the water, all excited about the upcoming Orange League tournament battle, and then a huge wave from the sea looms over them and splashes down. Meanwhile, Tracey is studying a Vileplume and Ash is going to meet Tracey, but trips on a rock and tumbles into him. They both land inside the Vileplume and breathe in Stun Spore. Pikachu rushes to get help. Misty gets them to a cabin. She finds out that she needs to find some salveyo weed in order to cure Ash and Tracey. She sets out to find some, and with the help of a friendly Poliwag she finds some. However, James and Meowth are now trying to steal it from her so they can heal Jessie, who also is suffering from Stun Spore.
Ash, Misty, and Tracey finally arrive on Pummelo Island. Ash is excited for his battle for the championship. After he registers, his Snorlax won't wake up, so he must switch it for another Pokemon. The next day, Ash begins his long-awaited battle against Drake, the leader of the Orange League, and a trainer skilled to any Pokemon type.
When the smoke clears, both Lapras and Gengar are unable to battle. With three of Drake's pokemon unable to battle, it is time for a field switch. After the brief intermission the battle resumes. With three pokemon left to defeat, Ash is in for one of the toughest battles yet, and waiting in the wings is Drake's powerful Dragonite, which has never lost a battle.
After winning the Orange League, Ash and friends begin their journey back to Pallet Town. They encounter a group of Lapras that just happens to be Ash's Lapras' family! However, the Lapras (minus a teal colored one) reject Ash's Lapras and swim away. They contact Professor Oak who says they must have had a bad encounter with humans. Officer Jenny comes along and confirms this, and says that pirates are after the Lapras. When the pirates attack, Ash, Misty, and Tracey agree to help Officer Jenny stop them and save Lapras' family.
Ash, Misty, and Tracey are on their way back to Pallet Town. They reach an island where a ferry is supposed to take them to Pallet Town. The town is deserted except for tons of Electrode. Togepi befriends a Voltob, but then tons of Electrode appear and start to attack. A man named Poncho appears and helps to get rid of them. He reveals that he was hired to get rid of the Electrode and transfer them to a nearby field. Poncho gets a phone call from the mayor who says he has hired someone else, someone who will get rid of the Electrode that very day. Everyone heads outside and Team Rocket appear with a new machine. They plan to capture all of the Electrode by making them self-destruct and then placing them in the machine while they can't defend themselves. Ash and friends decide to stop them.
Ash finally returns home to Pallet Town and is surprised when he gets home and Brock is there, as he is no longer working at Professor Ivy's place. Everyone heads to Professor Oak's lab where Tracey finally gets to meet him in person. However, the good times are short lived when Team Rocket attacks and traps everyone.
Ash and Gary have a battle, and although he puts up a fight, Ash ultimately loses. Later, Professor Oak is examining the GS Ball and can not find out anything about it. Ash comes in and Oak tells him that Gary has left on his next journey, the Johto region. Ash becomes upset knowing that Gary is still ahead of him, and he decides to head to Johto as well, and he may have a few surprises before heading out.