When a supernatural entity starts stealing heart-shaped objects from houses in a small town, Ash, Brock and Misty team up to solve the mystery.

Team Rocket goes on a revenge mission to capture more Pokémon for their boss. The first step? Sending a Mime Jr. to gain Pikachu's trust.

Latias takes Ash on a journey to figure out what happened to Latios. But rescuing the legendary Pokémon becomes a bigger battle than they bargained for.

As the group splits up, Ash and Pikachu return to Pallet Town, where they get some much-needed relaxation — before Team Rocket shows up.

The mysterious appearance of a legendary Eternatus above Wyndon Stadium grants Ash and Leon a bonus round, where it comes down to partner versus partner.

Ash and Pikachu run into Litten again, but this time something's very wrong with its friend the old Stoutland. Ash carries Stoutland to the Pokémon Center, where Ash, Pikachu, and Rotom-Dex learn that Stoutland is dying. Litten and Stoutland escape from the Pokémon Center and return to the riverside, where Stoutland passes away in the night. After realizing what has happened, Litten is heart-broken and refuses to be comforted by anyone. After Litten finally comes to terms with the loss of its friend, Ash asks Litten to join him. Litten decides to test him by battling against Pikachu. When the battle ends in a draw, Litten chooses to become one of Ash's Pokémon. Team Rocket's Meowth, who for reasons of his own has been secretly watching everything, seems pleased by the outcome.

The Cerulean Gym is the setting for old and new friends, battling old and new skills!

In a frozen land, Ash, Goh and Chloe search for a rare Pokémon while Lillie and her family hope to reunite with their missing father.

The battle rages on, but Ash is down to his last Pokémon: Lucario. Can the power of their bond see them through to a victory over the Sinnoh champion?

The fierce battle to determine who the strongest trainer is continues. Will Ash manage to see himself through to the ultimate victory?

A celebratory Pokémon School class trip turns out to be a reunion no one will ever forget!

As the epic battle continues, underdog Ash struggles to keep up with champion Cynthia's aggressive strategy — but he won't go down without a fight.

While Goh answers an emergency call from Project Mew, Ash heads into the finals of the Masters Eight Tournament, where Leon requests a full power battle.

With each competitor down to their final five Pokémon, the battle wages. Ash fights to get an advantage over Leon, who effortlessly sets the pace.

An epic battle with a legendary Pokémon reignites the fire in both Ash and Goh's hearts. But before they set out on new journeys, they must say goodbye.

Our friends, lost, discover an injured Charmander. Pikachu talks to it and learns that it's been waiting a long time for its trainer to return.

With a contentious back-and-forth battle with Bea, Ash brings out Sirfetch'd, Pikachu and Lucario to bolster his attacks and defensive strength.

To prepare for the Masters Eight Tournament, Ash reunites with his many Pokémon partners to battle an old rival and get as strong as possible.

Ash and Paul continue their 6-on-6 battle. With both teams fighting extremely hard it could be anyone's match, so Paul calls out his newly evolved Magmortar, hoping it will secure him victory.

With Goodra's beloved wetlands in imminent danger, our heroes are faced with a must-win situation for the sake of the many Pokémon who live there!

On Faraway Island, the Chasers make a startling discovery and find themselves transported to a mysterious realm, where Goh connects with an old friend.

Our heroes finally reach Vermillion City, and they discover that the Pokémon Center is filled with Pokémon hurt during battles with Lt. Surge, the Vermillion City Gym Leader.

Following Ash's victory at the Snowpoint City Gym against the Gym Leader Candice, who should appear out of nowhere but Ash's rival Paul! Asking for a Battle with Candice as well, Paul is told he'll have to wait until the following day. But suddenly Paul's brother Reggie appears, and also - none other than the Kanto Frontier Brain from the Battle Pyramid, Brandon! Knowing that the only challenge Reggie ever made in his career as a Trainer that wasn't successful was when he challenged Brandon, Paul immediately challenges Brandon on the spot, vowing to beat him and ...

Ash and his friends come across the Kanto Fair, and seeing a Charmander perform on stage reminds him of his old friend Charizard. He tells Iris, Cilan and N about his and Charizard's history, with Misty and Brock making cameos during the tale. Professor Oak sends Charizard over, and after he meets Iris' Dragonite, the two trainers agree to have a friendly match. Ash's offer to let Charizard rejoin his team is met with approval from all parties involved.

The time for Ash's Anistar City Gym battle has arrived, but in this case, time has some unexpected meanings!