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.

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

At the stadium, Leon and Team Rocket are no match for Eternatus. Ash takes on Chairman Rose while Goh battles Oleana to break through and end the chaos.

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.

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

Ash wants to learn more about what happens when he and Greninja merge during battle, and the Champion Diantha is the right person to help!

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.

As their vacation approaches, our heroes’ plans move closer to reality! Kiawe has decided to assist Olivia with her kahuna duties, while Lana, Mallow, and Sophocles continue to work toward their own goals. Now that Magearna is awake, Lillie and her family are setting out to find Mohn, and Ash is embarking on a new adventure of his own—he wants to see new places and meet new Pokémon! The Pokémon School class, Professor Kukui, and Professor Burnet are sad to see him leave Alola, but they wish him all the best for the future. And with Team Rocket also departing Alola, just what might that future hold?

As the Alola Pokémon League’s exhibition match nears its conclusion, Tapu Koko appears—it wants to team up with Professor Kukui and battle Ash! Our hero responds by sending out Naganadel, and the clash of Island Guardian and Ultra Beast powers is an amazing sight. But Tapu Koko manages to overpower Naganadel, so Ash turns to Pikachu, his last Pokémon standing! Tapu Koko raises the stakes as it and Professor Kukui unleash a legendary Z-Move reserved for Island Guardians, but Ash and Pikachu rise to the challenge with their own Z-Move: 10,000,000 Volt Thunderbolt! Once the dust clears, Tapu Koko falls, and Ash and Pikachu are victorious!

As if a gym battle with a Dragonite isn't challenge enough for one day, Team Rocket secretly surveys the weakened state of Ash's battling Pokémon and plots to turn the situation to their advantage.

While Goh and Sonia investigate the Darkest Day in Turffield, Team Rocket infiltrates the Galar Energy Plant, with Ash and Leon heading there too.

As our heroes look to Ash's next battle at the Anistar City Gym, they discover things about its Gym Leader they never could have imagined!

Our heroes are battling hard against a group of mind-controlled Pokémon, and Lusamine is still resisting rescue. When Gladion realizes their attacks won’t stop until the Ultra Beast is defeated, Ash suggests the two of them use Z-Moves. Instead, Gladion and his Pokémon provide a distraction while Ash and Pikachu use a powerful new Z-Move: 10,000,000 Volt Thunderbolt! This finally defeats the Ultra Beast, and after Lillie pleads with her mother to wake up, Lusamine is finally herself again. Returning through the Ultra Wormhole, our heroes and Lusamine are reunited with Professor Kukui and Professor Burnet, and Lusamine gratefully gives credit to our heroes for saving her.

It's time for the Kalos League finals and it's Ash versus Alain in their much anticipated battle!

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.

With his Johto League adventure behind him, Ash has decided to head back to Pallet Town. But it's all too soon before he has to say goodbye to Brock and Misty, and head out alone for a new adventure!

The ultimate battle continues as Ash and Gary face off. Ash will have to come up with a new plan to beat Gary's Blastoise. Can he do it with the Pokémon he's got, and if Ash beats Gary, who will be his next opponent?

After hearing about Ash from the Trovita Island gym leader, another trainer seeks him out for a battle. When Pikachu is knocked out during the battle, Ash turns to his Charizard, but he struggles to make the unruly Pokémon listen to him.

When our heroes visit Professor Sycamore on their way out of Lumiose City, they're in for a surprise of mega proportions!

The long-awaited Gym battle between Ash and Gym Leader Clemont is off and running, and lots of intense training is being put to the test!

Ash heads to Stow-on-Side to meet Sonia and Goh, who conclude that the Darkest Day is a Pokémon. At the Energy Plant, Leon encounters it directly.

Goh joins his parents for a family vacation in the Johto region. Walking through the woods, he recalls meeting another trainer there three years ago.

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!

Ash and his friends cheer on Cynthia and Iris in the third battle of the Masters Eight Tournament. With only one match left, will Ash's training pay off?

When the party sees a flock of Butterfree flying above the ocean, Brock, as a Pokémon breeder, explains that it is the Butterfree's egg-laying season.

Following Ash's defeat at the Snowbelle Gym, some not-so-quiet introspection turns into some real inspiration!

Ash and Greninja have displayed some amazing and mysterious traits in battle, and Clemont wants to find out why!

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.

Our heroes are going their separate ways, and it's time for goodbyes, fond memories, and eyes to the future!

It's Serena's Pokémon Showcase debut, surrounded by friends and rivals, old and new!

Team Rocket has taken the Blackthorn City Dragon Fang and holed up deep within the Dragon's Den. Things look bad for the ancient relic, but help comes in the form of an old friend!

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

Ash and N prepare to save Iris, Cilan, and Professor Juniper's father from the clutches of Team Plasma before Ghetsis can revive Reshiram, but their attempts to fight back are hampered by Colress's Pokémon controlling machine, forcing them all to call back their Pokémon. Pikachu gets hit by the machine's beam, which sways N into surrendering the Light Stone in exchange for its freedom just as Ghetsis arrives, ready to begin the ritual.

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.

Ash vs Paul part 3. The battle of these arch-rivals concludes with the winner advancing to the semi-finals.

After defeating Gary in the last round, Ash has to take on his new friend Harrison in the Johto League Silver Conference. Will our hero be able to stop the challenger from the Hoenn region?

Our heroes are on the trail of a Pokémon poacher, and Team Rocket is close behind!

Our heroes are all gathered at the Altar of the Sunne, along with all four of Alola’s Island Guardians. Lillie and Gladion ask the Island Guardians for help to rescue their mother, Lusamine, who has been taken through an Ultra Wormhole by a mysterious Ultra Beast. After Tapu Koko and the others perform a ritual, little Nebby evolves into the mighty Solgaleo—one of the Legendary Pokémon of Alola! At Solgaleo’s invitation, the Pokémon School students climb onto its back. With the help of a new Z-Move, Solgaleo opens an Ultra Wormhole and carries them through, off to rescue Lusamine from the Ultra Beast!

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.

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.

As Team Galactic's plan reaches its final stages, Ash, Brock and Dawn along with Cynthia, the Sinnoh Champion race against time to stop Cyrus from carrying out his plan of creating a new world. Will they succeed or will the Sinnoh region as well as the entire Pokémon world fall victim to Cyrus's mad plans?

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.

Ash is back at the Snowbelle City Gym for a rematch, but will Gym Leader Wulfric feel the heat?

Hoping to get his Pokémon Gengar to Gigantamax, Ash and Goh look for help from the Ghost-type gym leader, Allister.

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

On the eve of the village festival, the fate of Ninja Village hangs in the balance!

As Ash and the gang are separated each one is trying to help others in different ways.

Our heroes take shelter in a cabin that turns out to be the Copycat House of a trainer who has a Pikachu that is a Ditto, the Transform Pokémon.

Ash and friends decide to cheer on their old pal Squirtle at the Firefighting Squad Show, but the famous Pokémon's managers won't let the group say hi.

A friendly Lapras takes Ash to a remote island, where a fellow Water-type needs the trainer's help. But Ash can't rescue the trapped Pokémon alone.

Ash must survive an entrance battle with a popular trainer to earn a spot in the top eight. But in the arena, all eyes are on the underdog from Kanto.

Ash, May, and Brock participate in a curious sporting event in which players use rings dangling from balloons to catch balls lying on the ground.

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

Ash continues to train at Cynthia's villa until Ridley (a member of an ancient civilisation dedicated to protecting Meloetta) and his Golurk hear Meloetta's song and come to take Meloetta back. At first, Ridley assumes Ash is associated with the thieves, but this turns out not to be the case. Before Ridley can take Meloetta home, Team Rocket assaults the group and capture Meloetta and summon up the ancient Abyssal Temple through its power and song. The heroes try to fend off Team Rocket, but with Giovanni himself present they are too strong.

Ash enters his first match of the tournament on the water field against Mandi the Astounding. During the battle against Mandi's Exeggutor, Ash's Krabby evolves into Kingler, who he then uses against Mandy's remaining Seadra and Golbat, winning the match and moving onto the next preliminary round.

Our heroes go up against an evil regent who would use Misty's Togepi to steal the throne from its rightful heir!

Ash has leveled up to the Ultra Class! Now, he must face gym leader Volkner in a blazing battle in solar-powered Sunyshore City.

The moment of truth has arrived, as our heroes and their friends must face the final challenge that will decide the fate of the world!

Ash and Riolu are on a roll after the latest World Coronation Series battle, and Pikachu is jealous! When Ash's mom visits, Pikachu follows her home.

Ash and Goh head to the Vermilion Gym, where Ash challenges the substitute Gym Leader as his first World Coronation Series opponent.

Lysandre and Team Flare are attempting to take over Lumiose City and the world and our heroes are in the middle of the chaos!

In the semifinals, the Sinnoh region champion Cynthia battles the very first Alola region champion Ash for the chance to take on the undefeated Leon.

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.

It's time for the Anistar City Pokémon Showcase, and a second Princess Key hangs in the balance for Serena!

Goh travels to the Sinnoh region for his first mission with Project Mew, accompanied by Ash. It turns out, becoming a full team member is quite a trial!

Team Rocket deceives Florges into an alliance and then double crosses it when they attempt to drain all of the Spring water of the wetlands.

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.

Our heroes have made it through the Ultra Wormhole, but when they find the captured Lusamine, they’re shocked to find she wants nothing to do with them! With an Ultra Beast controlling her mind, it’s up to Lillie, Ash, and friends to rescue her. Their Pokémon spring into action—but so do Lusamine’s Pokémon, who are also under the Ultra Beast’s control. Lillie gathers her courage and reaches out to Clefable, recounting the fun they had together in years past. Her reassuring persistence pays off, and Clefable breaks free of the Ultra Beast’s control. Meanwhile, riding on Solgaleo’s back, Ash presses on to find Lusamine—and the Ultra Beast.

Team Aqua and Team Magma have awakened the ancient Legendary Pokémon Groudon and Kyogre! Can Ash and friends escape?

Facing off against Blackthorn Gym Leader Clair, Ash is finding it difficult to overcome the power of her Dragon-type Pokémon. Things are harder still when Team Rocket shows up to steal Blackthorn City's prized Dragon Fang relic!

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 are in shock after Lusamine’s disappearance through an Ultra Wormhole, and they want to help get her back. But Gladion insists it’s a family matter, and he and Lillie set out on their own rescue mission. The Pokémon School class still wants to help, though, so Kahuna Hala directs them to the Altar of the Sunne on Poni Island. Meanwhile, nearing the altar, Gladion and Lillie encounter a Totem Kommo-o! With Snowy and Silvally, they defeat the Dragon-type Pokémon. Then, when the siblings rejoin the rest of our heroes, Ash again tries to convince Gladion to let everyone help. And when Lillie agrees, Gladion finally understands…

While Ash and co. are at a Pokémon Center and watch a battle between Cynthia the Sinnoh League Champion and Lucian, member of the Sinnoh's Elite Four, they hear that Cynthia is nearby. When they finally meet her, Paul appears and challenges her to a six-on-six full battle. Cynthia agrees and the battle starts. Will Paul be able to win against Cynthia and her strongest Pokémon, Garchomp?

Meet Ash Ketchum, a 10-year-old boy full of imagination, confidence, and dreams that are almost too big for his village of Pallet Town—plus the desire to become a Pokémon Master!

A crisis in confidence leads to renewed strength and determination!

An invitation to the Togepi Festival brings Misty to the Hoenn region, where she learns that a local kingdom bases its rule on the whims of passing Togepi.

Ash is after his first Pokémon in the Alola region, and the adventure that ensues is typical Ash!

A fierce battle between two powerful Pokémon is about much more than just who wins!

It is time for Ash's battle with Valerie at the Laverre Gym, and it appears thinking on his feet could be our hero's key to victory!

Our heroes are about to take part in an exciting celebration, but the guest of honor is not happy!

Ash continues his quest to attain his Volcano Badge once he finally locates the gym that is suspended above a pool of molten lava!

Ash and his friends walk along a path and fall into a hole dug by a batch of mischievous Squirtle. Ash climbs out and tries to battle them, but they scatter when Officer Jenny arrives.

As the Kalos League semifinal round continues between Ash and Sawyer, the audience witnesses a rivalry few have ever experienced!

The final round of the Kalos League is in high gear and surprises are in abundance; from the first second to the very last!

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 Pokémon Showcase Master Class is under way and Serena is competing with friends and rivals galore!

Team Rocket shows up while Ash, Goh and Chloe travel to the Sinnoh region to investigate multiple missing Pokémon reports — including Dawn's Piplup.

During our heroes' final leg of their journey to Snowbelle City, a chance meeting with an old friend and rival gives Ash a surprising battle opportunity!

When a hot day in Vermilion City turns thunderous, Ash, Goh and Professor Cerise suspect that the Legendary bird Pokémon Zapdos is somewhere nearby.

A tour of the Poké Ball Factory provides our heroes with much more than just Poké Balls!

After picking up psychic energy signals, the Chasers set out to scale treacherous Table Mountain in search of Mew... but find surprises along the way.

The semifinals of the Kalos League have arrived, bringing two intense battles!

Ash and Clair finally face off in a Gym battle that will push Ash's skills as a Trainer to the limit! Can he win his final Johto Gym badge?

A Pokémon in need provides a heartfelt lesson in caring, and letting go.

While Ash battles a fever, another Trainer comes along to challenge him to a Pokémon battle!

Ash travels to Saffron City to battle his next opponent, but when he learns that the Karate Master has been defeated, he challenges the victor instead.

After winning his way to the final competition for the Orange League Winner's Trophy, victory seems a long shot for Ash as the Gym Leader deploys a powerful Gengar that topples one of Ash's Pokémon after another.

Goh and Ash travel to the Cianwood Gym in the Johto region so Ash can take on Bea in a World Coronation Series rematch.

A surprise reunion with an old friend give Ash the perfect opportunity for training - and even more surprises!

Paul's abuse on Chimchar becomes dangerous to its health and causes it to collapse from exhausted during training. However, despite everyone's protest and waring to let Chimchar rest, Pauls enters it into the second day of the Hearthome City Tag Battle anyway. The harrowing battle leads to a fateful decision for Chimchar.

After accidentally seeing Gladion and coming face-to-face with Silvally, Lillie is once again unable to touch Pokémon—but she’s determined to change that! With Nebby’s help, she embarks on a journey to recall the memories behind her fear. But Faba wants none of it, having been responsible for Silvally’s creation in the first place. Vowing to make sure Lillie never remembers her past, Faba captures her, and she’s again filled with fear. But Silvally rescues Lillie, and when she remembers that it was the one who saved her in the past, her fear of touching Pokémon finally vanishes!

With Iris and Cilan heading off on their own adventures in Johto, Ash is restless and still wishes to become a Pokémon Master. To that end, Alexa suggests that he travel with her back to her home in the Kalos region just as Team Rocket hatches another plan to steal Pikachu.

Ash and the others discover a group of wild Pikachu in a secluded area of the woods. How will Pikachu feel seeing others of its kind in the wild?

An emergency situation offers the perfect opportunity to recall a heartwarming story of times past!

Investigating a string of mysterious thefts, our heroes discover a pack of Houndour, struggling to survive in the wild.

Team Rocket executes their plan. They manage to steal several Pokémon, and use their "Ghost Train" to make their escape.

It's Ash versus his oldest rival, Gary, in the Johto League Silver Conference, and both Trainers are ready to give it all they've got. But who will come out on top?

An unexpected race provides our heroes with an opportunity to give their newest member a chance to spread its wings!

A feisty Litten is determined to steal food from others, and Ash and Pikachu are determined to find out why!

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 have finally found Articuno, but they've led Team Rocket right to the Legendary Pokémon as well!

Ash is finally in Lumiose City for his Gym battle with Clemont, but a major crisis threatens the proceedings!

Though he's excited to attend Professor Oak's Pokémon camp, Ash oversleeps when the day arrives. Newcomer Goh is just as excited — and on time.

Lumiose City is on the verge of ruin, but our heroes and their friends are not about to stand by and do nothing!

It's piracy on the open seas and Ash and friends must rescue a local school of Lapras from would-be poachers, but how can they be of help when the Lapras, conditioned to fear humans, shun the young Trainers?

Ash is ready for his first Gym battle in the Hoenn region--and the Gym Leader he must face is none other than May's father!

It's the second round of the Whirl Cup, and Ash and Misty have been paired up against each other! Who will come out on top? And will Team Rocket's plan to distract the police be successful?

Time's running out and flowing backwards as Ash, Goh and friends enter a strange world and battle alongside different versions of themselves.

As our heroes and Team Rocket beat the odds by surviving the sinking ship, they are dragged into another potentially deadly situation when they are attacked by the ferocious Pokémon, Gyarados.

On Kumquat Island, Ash discovers Luana, the final Orange Island Gym Leader, who mistakes him for her son. After defending the island from Team Rocket, they head to the Gym to have a Double Battle where Pikachu and Charizard battle against Marowak and Alakazam but Pikachu's and Charizard's unwillingness to work together might end up costing Ash his chance of qualifying for the Orange League.

Season 18 - Episode 27 After Ash's fierce battle with Valerie at the Laverre Gym, young Sawyer has a lot of questions!

After Bulbasaur's bulb begins to emit an odd glow, a nurse runs some tests and discovers that Bulbasaur isn't sick: It's getting ready to evolve!

Ash's journey in the Alola region is just getting under way, and our hero has a new partner to share it with!

Ash and friends meet Steven Stone in Granite Cave, where they quickly fall into one of Team Rocket's traps!

When a Gigantamax Drednaw interrupts the World Coronation finals in pursuit of Team Rocket, Ash, Goh and their Pokémon spring into action!

Our heroes are visiting Terminus Cave with hopes of seeing new Pokémon, but they're not alone!

When Ash reaches the Hive Gym, he has just the Pokémon to challenge the Gym Leader's Bug Pokémon.

A friendly Tag Battle provides Eevee and Serena with some confidence and inspiration!

Hunter J has managed to kidnap Riolu. But despite that, Riolu, reveals his whereabouts to Ash, using its Aura. With Rangers Kellyn and Solana joining them, Ash and his friends go to hunt down Hunter J and get Riolu back. However, J is far more formidable than anyone could have anticipated. Will Ash and friends be able to return Riolu back to its kingdom?

Armed with Pikachu's new Iron Tail attack, Ash challenges Gym Leader Roxanne!

In the outskirts of Fuchsia City, our heroes come across Hitmonchan, a fighter-Pokémon. With little thought, Ash attempts to capture it, but he and Pikachu are badly defeated.

Ash encounters a wild Chikorita and engages it in battle, thinking to add it to his team.

Ash and friends finally make their way to Viridian City where Ash hopes to earn his Earth Badge.

In the 4th round, Ash faces a trainer named Jeanette, who uses a Beedrill, a Scyther, and a Bellsprout. The match ends with Ash victorious, and he moves on to the 5th round, becoming one of the final sixteen members of the tournament.

Our heroes trudge along, resigning themselves to the idea of camping out in the desert as the sun slowly sets. Suddenly they see bright lights in front of them: a glamorous city appears before them, covered in neon lights.

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

While Ash and Goh take advantage of a cold snap to search for Ice Pokémon, Chloe enjoys some girls' time with lab assistant Chrysa at her apartment.

Serena's next Pokémon Showcase appearance is taking place in Dendemille Town, and she's faced with some stiff competition!

In search of a ghost Pokémon, Ash heads immediately for a tower in Lavender Town where they are said to dwell.

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.

At the Masters Eight Tournament, Ash, Goh and their new friend Hop watch as Lance goes head to head with Diantha on the stage of dreams.

Ash finally arrives at Snowpoint Gym for his battle with Candice. This gym will be different from his previous gym challenges, with each trainer using 4 Pokémon each. Can Ash defeat Candice and win his seventh badge?

Ash and Goh head to the Alola region and reunite with Professor Kukui, Professor Burnet and Ash's human and Pokémon friends at the Pokémon School.

A Coumarine City tradition is in jeopardy, and our heroes are faced with averting a major crisis!

Ash and Misty, while arguing, discover an Oddish. As Misty's Starmie weakens the Oddish, a Bulbasaur appears and fights Starmie while the Oddish runs off into the woods.

Gengar's hauntings at the lab resume. Ash and Goh vow to capture the poltergeist Pokémon, and Professor Cerise explains the lab's paranormal history.

Pikachu is suffering from a serious electrical overload! Can Ash and Professor Birch find a solution before it's too late?

Dawn and Chloe find an injured Cresselia and are able to give it first aid. Ash and Goh are still on Darkrai's trail, and so is Team Rocket.