Determined to prove its superiority, a bio-engineered Pokémon called Mewtwo lures Ash, Pikachu and others into a Pokemon match like none before.
When Lawrence III's scheme to capture the Legendary Pokémon Lugia upsets the balance of nature, it is up to Ash Ketchum and his friends to save the world.
In order to escape a greedy Pokémon hunter, Celebi must use the last of its energy to travel through time to the present day. Celebi brings along Sammy, a boy who had been trying to protect it. Along with Ash, Pikachu, and the rest of the gang, Sammy and Celebi must encounter an enemy far more advanced than the hunter, with the fate of the forest hanging in the balance.
A bumbling Bidoof with a tendency to bite off more than it can chew finds itself between a rock and a hard place as it embarks on a journey to find its place in the world.
On their way through the Battle Frontier, Ash and friends meet up with a Pokémon Ranger who's mission is to deliever the egg of Manaphy to a temple on the ocean's floor. However, a greedy pirate wants the power of Manaphy to himself.
When Molly Hale's sadness of her father's disappearance gets to her, she unknowingly uses the Unown to create her own dream world along with Entei, who she believes to be her father. When Entei kidnaps Ash's mother, Ash along with Misty & Brock invade the mansion looking for his mom and trying to stop the mysteries of Molly's Dream World and Entei!
Ash and friends (this time accompanied by newcomer Dawn) arrive at an idyllic village on their way to their next Pokemon contest, where chaos will soon erupt with the prophecy of two Pokemon Gods (Dialga and Palkia) and the arrival of a mysterious, seemingly deadly Pokemon named Darkrai, which has the power to distort space and time.
The Team Rocket leader, Giovanni, has found Mewtwo in a remote area of the Johto region. As Giovanni tries to re-capture Mewtwo, Ash and his friends are kidnapped by Domino, a new Team Rocket member, while trying to rescue Pikachu from Jessie and James. The Clone Pokemon are also captured and are then used as bait for Mewtwo. The situation then becomes a battle between the wills of Mewtwo and Giovanni; and Mewtwo also tries to discover if it and the clones have a purpose in life, even though they are products of science.
Charmander's voice calls out from the darkness if Squirtle is okay. The sleeping boy wakes up, and can't believe himself when he sees a talking Charmander. Charmander then points out that he's a Pokémon too. The boy takes a look at his reflection at a river besides him, and sees that it is true! He has turned into a Squirtle, and has no recollection at all how this had happened.
It's double trouble in the big city! Pikachu is lost, and the Pichu Bros. must help their new pal get back before Ash notices his Pokémon is missing. It's a race against the clock that has the duo dragging Pikachu into one disaster after another!
One day, Pikachu and its friends are walking along when they suddenly fall through a Diglett hole and into Pokémon Valley, a secret location that no one knows about. Pikachu and its buddies tell the Pokémon that they could use some help looking for Togepi, who fell through the hole first. The group sets off and eventually finds Togepi in the Exeggcute nest—but one of the Exeggcute is missing. That leads the group on another hunt; this time, though, Pikachu and its friends come back to the nest empty-handed. That’s when a storm begins to brew, filling Pokémon valley with roaring thunder and gusts of wind that almost blow the friends—and the Exeggcute nest—away! Are the friends going to be able to keep the nest safe and reunite the Exeggcute?
Ash and his friends must stop a greedy media mogul from using the shape-shifting Zoroark to capture the time-travelling Celebi.
When the creator of the world, Arceus, comes to pass judgement on humanity for the theft of the legendary Jewel of Life, Ash and his friends are sent back in time to possibly reverse the events that led to Arceus' vendetta.
Ash, Pikachu and his friends try and stop a pair of thieves hiding out in the canals and alleyways of Altomare, the age-old water capital. Joining the adventure are two new legendary Pokémon, a pair of siblings named Latias and Latios, who serve as peacekeepers and protectors of the Soul Dew - a priceless treasure with a mysterious power.
Ash, May, Brock, and Max come upon the festival of the Wishing Star of Seven Nights. During their enjoyment, the legendary Pokemon--Jirachi, descends from the heavens and befriends Max. Jirachi, with the power to grant any wish, is sought after by many people wanting to claim its power. One man seeks to use its legendary power to revive an ancient Pokemon known as Groudon, unaware of the dangers hidden within Jirachi's powers
Deoxys, a Pokémon from outer space, terrorizes the high-tech city Ash Ketchum and his friends are visiting.
In the legendary past, before Poké Balls were invented, an aura-guiding hero Pokémon named Lucario sensed two groups of armies about to clash, and a threat of a massive war in front of Oldoran Castle in Kanto that would leave no survivors. He transferred this message to his master, the legendary hero Arlon, while he was being attacked by a violent group of Hellgar. During the battle, his sense of sight was lost and he was rendered unable to see. He used the detection of his Aura, and so with the offensive Wave Bomb, he eliminated them. Though by the threat, the queen of Rota, Lady Rin was resolute to die with her civilians, and so Arlon made a choice.
Pikachu and the gang learn responsibility, teamwork as well as cooperation during their Summer vacation at Pokemon Island.
Kenta, a Pokemon master in the making, meets up with his childhood friend, Marina, at a Pokemon Center, to see how their skills have developed. Their battle is interrupted by a thunderstorm and the arrival of Bashou and Buson, two Rocket-dan members using the Crystal System (which attracts Electric-type Pokemon). Their ultimate goal is to, under the guidance of professor Shiranui, bring Pokemon back to Sakaki. Kenta and Marina stumble upon this plan, and they try to stop it, but things get more difficult when the legendary Pokemon Raikou is captured.
At a giant beachside mansion, Pikachu and some of its buddies decide to play a game of hide-and-seek. Pikachu is “it,” and it goes off in search of its friends. Meanwhile, Larvitar, sick of being all by itself, kicks a rock in anger. The rock hurtles through the air—and hits a lawnmower, turning it on and sending it tearing off after Pikachu and its friends! The group draws the lawnmower into a maze and even gets it into the water, but the lawnmower just keeps on chasing. The Pokémon build a road out of logs, hoping to get the lawnmower into a shack, but Psyduck trips and ruins the whole setup. How will the friends ever escape the lawnmower? This fantasy will have you on the edge of your seat!