While investigating the legend of the mythical Pokémon Arceus, Ash, Goh and Dawn uncover a plot by Team Galactic that threatens the world.

Koko grows up in the jungle with a solitary Zarude. When he meets Ash and Pikachu, he discovers the human world — and a plot threatening his home!

This is the story of how Ash and Pikachu first met. At first, Pikachu was disobedient towards Ash, but Ash only wanted to be friends with Pikachu. On the day they set out from Pallet Town, both of them saw a Ho-Oh flying and they made a vow to meet it.

In this Pokémon adventure, a mysterious force binds Ash to the Mythical Pokémon Volcanion when it falls from the sky. Volcanion can’t get away, and Ash is dragged along as it continues on its mission. They arrive in a city of cogs and gears, where a corrupt minister has stolen the ultimate invention: the Artificial Pokémon Magearna, created 500 years ago. The minister plans to use Magearna’s mysterious power to take control of the mechanical kingdom. Can Ash and Volcanion work together to rescue Magearna? One of the greatest battles in Pokémon history is about to unfold!

Ash, Pikachu, and their friends come to a desert city by the sea. Here they meet the Mythical Pokémon Hoopa, which has the ability to summon things—including people and Pokémon—through its magic rings. After a scary incident, they learn of a story about a brave hero who stopped the rampage of a terrifying Pokémon long ago. Now, the threat that has been bottled up for years is in danger of breaking loose again.

The Kingdom of the People of the Vale once ruled over the land, but now all that remains is the Sword of the Vale. in the city of Eindoak. Ash, Iris, and Cilan arrive in Eindoak during a harvest festival's Pokémon Tournament and meet the legendary Pokémon Victini who wishes to share its powers of victory to someone. Elsewhere in the city, a descendant of the People of the Vale named Damon has arrived who seeks to revive the kingdom's power with the Sword of the Vale, bringing them back into power over the land, and Ash and his friends must stop him before he destroys the land along with Victini.

The film opens with Shaymin as Dialga appears. Then, in the Reverse or Distortion World Giratina senses Dialga's presence, and flies up to the Real World to capture him. Dialga drinks, just as Giratina's portal opens up. Giratina then drags Dialga into the Reverse World. Shaymin is also catapulted into the Reverse World. As Dialga and Giratina fight, Zero observes the battle in his ship. Shaymin absorbs a dark gas and uses "Seed Flare," tearing a hole in the Reverse World and escaping. Dialga fires a laser at Giratina, enveloping her in a time loop and trapping her in the Reverse World. As Dialga escapes, Shaymin falls into a river.

Ash, Pikachu and his friends try and stop a pair of thieves hiding out in the canals and alleyways of Alto Mare, 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.

40 years ago, a Celebi was being attacked by a Pokemon Hunter. Luckily, a young boy named Sammy saved Celebi. Using its Time Traveling power, Celebi transported himself and Sammy 40 years into the future. There, Ash, Misty, and Brock assist Sammy to the healing lake in the forest so they can heal the wounded Celebi. Unfortunately an evil Team Rocket member, Viscious a.k.a. "The Iron Masked Marauder", tries to capture Celebi using his technology. As Ash and Co. try to get away from Viscious, they also run into Jessie, James, and Meowth, who also want to capture Celebi. Soon it becomes a race against time to get Celebi and Sammy back to the forest before Celebi is caught and is used to destroy the forest and themselves.

When Molly Hale's sadness of her father's disappearance get 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 mom, 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!