The WORST episodes of Pokémon

Every episode of Pokémon ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Pokémon!

A young boy named Ash Ketchum embarks on a journey to become a "Pokemon Master" with his first Pokemon, Pikachu. Joining him on his travels are Brock, a girl-obsessed Rock Pokemon Trainer, and Misty, a tomboyish Water Pokemon Trainer who may have a crush on him. Ash and Co. end up traveling through various regions, including Kanto, the Orange Islands, and Johto, and then enter the Pokemon League competitions there. Along the way, they run into many confrontations with Jessie, James, and Meowth, a trio of Pokemon thieves who are apart of an evil organization called "Team Rocket". But everytime Team Rocket try to do their evil deeds, they fail thanks to Ash and his Pokemon.

Last Updated: 3/28/2024Network: TV TokyoStatus: Continuing
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Evolving Research!
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#1 - Evolving Research!

Season 18 - Episode 106 - Aired 1/27/2019

As our heroes continue their research projects, Sophocles wants to help Charjabug evolve. The pair set off to Vast Poni Canyon and encounter Horacio, who wants his own Charjabug to evolve first. But when Horacio ends up in danger, Sophocles’s Charjabug springs into rescue mode and evolves into Vikavolt! Meanwhile, Lana has her heart set on training, but she’s disappointed because her mentor, Ida, is about to depart Poni Island. Still, Popplio and Sandy have fun playing with Ida’s Primarina, and when Lana decides to show Ida what she’s capable of, Popplio evolves into Brionne! As congratulations, Ida gives Lana her own Primarium Z and encourages her to continue training.

The Dealer of Destruction!
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#2 - The Dealer of Destruction!

Season 18 - Episode 115 - Aired 3/31/2019

Professor Kukui has announced the formation of the Alola Pokémon League, and the excitement is overwhelming! Ash and friends want to enter, but someone else is determined to keep the event from launching—Guzma, the mysterious and menacing leader of Team Skull. He confronts Professor Kukui, vowing to destroy the Pokémon League, and Ash takes the opportunity to challenge him to a battle. Guzma’s Golisopod holds its own against Pikachu, but when it suddenly returns to its Poké Ball, the match ends, and Guzma returns to Team Skull’s base. Just what is the relationship between Guzma and Professor Kukui, and will the Alola Pokémon League become a reality?

Beauty is Only Crystal Deep!
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#3 - Beauty is Only Crystal Deep!

Season 18 - Episode 114 - Aired 3/24/2019

When a mysterious Pokémon steals Hala’s Z-Crystal, the Ultra Guardians leap into action—even though it’s the middle of the night! They return empty-handed, but the next day, Lusamine tells them they’re looking for an Ultra Beast named Pheromosa. Pheromosa is fascinated with Z-Crystals, and it’s stolen several from unsuspecting Trainers. When it steals Team Rocket’s Z-Crystals, Meowth is no help—because he’s infatuated with the thief! But when it becomes obvious that Pheromosa only cares about Z-Crystals, Meowth’s heart breaks, and he returns to his friends…including Bewear, who inadvertently helps the Ultra Guardians return Pheromosa to its own world!

This Magik Moment!
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#4 - This Magik Moment!

Season 18 - Episode 113 - Aired 3/17/2019

Our heroes visit the Alola TV studios to cheer on Sophocles, who’s competing in a quiz show! Afterward, Rotom bumps into George, the producer of Alolan Detective Laki, who takes them on a tour. Kiawe is beyond excited to see the adorable Magikarp named Karpy live on set—until it evolves into a fearsome Gyarados! On top of that, the three stars of George’s superhero show get stuck on location and can’t make their shooting schedule. Thinking quickly, he recruits Lillie, Mallow, and Lana to become The Refreshing Trio: Alola Idols! The girls are a big hit, Gyarados gets recast as an intimidating villain, and all’s well that ends well!

Got Meltan?
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#5 - Got Meltan?

Season 18 - Episode 112 - Aired 3/10/2019

After analyzing the data collected by Rotom Dex, Professor Oak confirms the mysterious Pokémon is indeed a new species, which he’s named Meltan! One of them has been hiding inside Ash’s backpack, and it soon takes quite an interest in Rowlet. The two Pokémon go on an adventure to find Meltan’s missing head section, and when Rowlet protects Meltan from Team Rocket’s persistent attacks, Meltan repays the favor with its powerful Flash Cannon attack! Back at the Pokémon School, Meltan is reunited with its friends, but it wants to stay with Rowlet, so Ash adds it to his team. As the journey continues, our heroes have a new friend—Meltan!

Show Me the Metal!
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#6 - Show Me the Metal!

Season 18 - Episode 111 - Aired 3/3/2019

Back on Melemele Island after completing their Poni Island research projects, our heroes are unaware that some small, mysterious Pokémon have hitched a ride with them. As they soon discover, these Pokémon love to eat metal—including the tools the Pokémon School class needs for today’s lesson, as well as Team Rocket’s supplies and James’s prized bottle cap collection! Rotom Dex is excited to compile vast amounts of data on this new kind of Pokémon, and Ash relays the information to Professor Oak—who says this mystery Pokémon may indeed be one amazing discovery!

Keeping Your Eyes on the Ball!
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#7 - Keeping Your Eyes on the Ball!

Season 18 - Episode 110 - Aired 2/24/2019

The Pokémon School class meets a talented Pokémon Golfer named Kahili and her Toucannon, Touckey. Kahili is in a bit of a slump, and there are rumors she might retire, but when our heroes ask to play a round of Pokémon Golf with her, she happily offers some tips. Joining them is a strangely familiar man who claims to be a master caddy, and he challenges Kahili to shoot an incredibly challenging hole in one—which she does, thanks to Touckey’s help! After having so much fun with our heroes, Kahili decides to continue on her journey as a Pokémon Golfer, and Touckey couldn’t be happier!

A Grand Debut!
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#8 - A Grand Debut!

Season 18 - Episode 109 - Aired 2/17/2019

Hapu is the new kahuna of Poni Island! After her confirmation ceremony, she agrees to battle Ash in a grand trial. It’s a one-on-one match between Mudsdale and Pikachu, with Kiawe as referee! As a Ground-type Pokémon, Mudsdale is immune to Pikachu’s Electric-type attacks. On top of that, its Ability raises its defense every time it gets hit! Things are looking dire for our hero when Pikachu maneuvers Mudsdale to the edge of the battlefield—where it gets completely soaked by a wave. And since water conducts electricity, Ash and Pikachu win their fourth grand trial with a devastating Z-Move, and Ash gets a new Z-Crystal: Steelium Z!

Memories in the Mist!
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#9 - Memories in the Mist!

Season 18 - Episode 108 - Aired 2/10/2019

As our heroes wrap up their Poni Island research projects, they become enveloped in a strange mist. Hapu says the mist, created by Tapu Fini, lets people and Pokémon reunite with loved ones who have passed on. Ash and Torracat meet up with Stoutland, and Mallow has an emotional reunion with her late mother. Worried about her friends, Hapu confronts Tapu Fini, who reunites her with her late grandfather and recognizes her as the new island kahuna! When the mist clears, Lillie and Gladion wonder why they didn’t see their late father—and they’re shocked when Hapu tells them that he must still be alive somewhere!

Run, Heroes, Run!
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#10 - Run, Heroes, Run!

Season 18 - Episode 107 - Aired 2/3/2019

Ash and Kiawe set off to challenge Tapu Fini to a grand trial, but when they get no response, they decide to battle each other to attract its attention. When the battle gets out of hand and starts to damage the surrounding ruins, Ash finds himself trapped in an energy field as punishment, and a mysterious old man tells Kiawe he must return with a scale from Tapu Lele to rescue his friend. Kiawe completes his quest just in time—and when Tapu Fini appears and gives him a Z-Crystal, it becomes clear that this was Kiawe’s grand trial! Meanwhile, Mallow has been working with Hapu to develop new recipes using Poni Radishes. Two more research projects completed!

The Secret Princess!
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#11 - The Secret Princess!

Season 18 - Episode 116 - Aired 4/7/2019

Lillie and Gladion are at Aether Paradise, searching for the research files written by their father, Mohn, prior to his disappearance into an Ultra Wormhole years ago. Lusamine regrets not telling her children more about Mohn, but she decides now is the right time. Back at home, the siblings explore Mohn’s room and find a couple of surprises—a Z-Ring, which Lillie holds on to with Kahuna Hala’s blessing, and Magearna, an Artificial Pokémon that Mohn intended as an eventual gift for Lillie. Unfortunately, Magearna is inactive and completely silent—but Lillie, full of gratitude, vows to continue her father’s work to get it moving again!

Showdown on Poni Island!
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#12 - Showdown on Poni Island!

Season 18 - Episode 105 - Aired 1/20/2019

When Hapu learns that Ash wants to battle Tapu Fini for his Poni Island grand trial, she lectures him about the true meaning of a grand trial, and Mudsdale backs it up with a tremendous kick! Ash goes flying and lands near Gladion, who’s also come to challenge the Island Guardian. The two rivals decide to battle each other instead, in a Lycanroc showdown: Gladion’s Midnight Form versus Ash’s Dusk Form! Hapu reluctantly agrees to be the referee, and as the battle continues, she begins to understand Ash’s determination. After Gladion wins, Tapu Fini makes an appearance, and our heroes wonder if it will listen to their request…

That's Some Spicy Island Research!
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#13 - That's Some Spicy Island Research!

Season 18 - Episode 104 - Aired 1/13/2019

The Pokémon School class is visiting Poni Island, and everyone is excited about their upcoming research projects. Ash wants to compete in his fourth grand trial, but because the island currently has no kahuna, he plans to challenge Tapu Fini instead! While searching for the Island Guardian, he meets a Trainer named Hapu, who impresses our hero with her tenacity and battling skills. Although Hapu doesn’t share Ash’s enthusiasm, she respects his determination. And when Team Skull tries to capture a group of Oricorio, she jumps into the fray and defeats the hapless trio with just one hit!

Heart of Fire! Heart of Stone!
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#14 - Heart of Fire! Heart of Stone!

Season 18 - Episode 103 - Aired 1/6/2019

Brock and Misty are having quite a busy vacation in Alola! Ash and the Pokémon School gang admire Brock’s culinary skills, boosted by delicious ingredients from Kiawe’s family farm. They decide to visit the farm on Akala Island—mostly because Brock has been determined to meet the beautiful Kahuna Olivia! Like many of Brock’s crushes, Olivia is taken aback…but the two are soon bonding over their shared love of Rock types, and when Team Rocket attacks, they respond with a paired-up Z-Move! Brock and Misty’s visit ends with a beautiful fireworks display and promises to return to Alola for more vacation fun!

Alola, Alola!
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#15 - Alola, Alola!

Season 18 - Episode 102 - Aired 12/23/2018

As our heroes prepare for a break from Pokémon School, Lana makes a surprise announcement: they have visitors! Who? None other than Misty and Brock! Everyone’s excited to show Ash’s longtime friends around Alola, and when Ash tells them about Treasure Island—a place he and Pikachu previously visited—they’re off! They meet up with a group of Mantine who love to surf, but Team Rocket is determined to make a splash—by catching the Mantine and Pikachu! But they’re no match for our heroes, who shower the trio with a series of attacks that send them blasting off again…just like old times!

Parallel Friendships!
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#16 - Parallel Friendships!

Season 18 - Episode 101 - Aired 12/16/2018

After traveling to an unfamiliar place, Ash encounters the Pokémon School in ruins. The mysterious Dia explains that Ash must be from a parallel world, where the Alola region hasn’t been destroyed. After convincing Zeraora to help Pikachu train, Ash teams up with Dia to force Guzzlord back to its own world through an Ultra Wormhole. Zeraora and Pikachu use powerful attacks against Guzzlord’s weak spot, but it isn’t enough. Then, the parallel world’s Tapu Koko appears and enables them to use their Z-Moves again, and it works! Guzzlord is banished, and for the first time, Dia sees hope for his world as Ash returns to his own.

Battling the Beast Within!
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#17 - Battling the Beast Within!

Season 18 - Episode 100 - Aired 12/9/2018

While battling Tapu Koko, Ash and Pikachu suddenly find themselves in an unfamiliar place inhabited by a menacing Ultra Beast known as Guzzlord! Guzzlord’s power is fearsome, but a mysterious man named Dia—accompanied by the Mythical Pokémon Zeraora—comes to our heroes’ aid. Ash wants to help Dia reclaim his home from Guzzlord’s destructive wrath, but after Dia defeats Ash in a test battle, our hero relents. He and Pikachu must return to their own home, but how? Dia offers them shelter for the night, but on the way, they discover an abandoned Pokémon School! What could all of this mean?

We Know Where You're Going, Eevee!
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#18 - We Know Where You're Going, Eevee!

Season 18 - Episode 99 - Aired 12/2/2018

A familiar Eevee has been making its way across the ocean toward Alola, and its journey has been filled with adventure. A series of harrowing encounters—including a brush with Team Skull—has tested its determination, but when it finally finds our heroes, it’s as happy as can be! After forming a bond with Popplio, Eevee’s ready to join Lana’s team…but not before Lana gives it a name: Sandy! Lana and her family are thrilled to get to know her new partner—and Sandy’s excited to get to know them, too!

Bright Lights, Big Changes!
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#19 - Bright Lights, Big Changes!

Season 18 - Episode 98 - Aired 11/25/2018

When Rotom Dex catches a continuity error during the filming of Alolan Detective Laki, the cast and crew are so impressed that they invite it to join the show and help Laki solve cases! Ash is thrilled, until he realizes the international shooting schedule means Rotom will have to leave… While our hero sadly considers this option, a serious conversation with Laki reminds Rotom that its real dream is to be the best Pokédex in the world—and when Ash tries to be strong and send his friend off to pursue an acting career, it decides to stay and study rare Pokémon with him instead!

Lights! Camera! Pika!
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#20 - Lights! Camera! Pika!

Season 16 - Episode 78 - Aired 6/18/2015

Pikachu's Exciting Adventure!
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#21 - Pikachu's Exciting Adventure!

Season 18 - Episode 126 - Aired 6/16/2019

After returning to the present day, Ash and Torracat reunite with Pikachu, Lycanroc, Rowlet, and Meltan—who are all covered in dirt! It turns out the four Pokémon had been searching for Ash and Torracat after the pair’s sudden disappearance. They’re excited to recap their journey, but Ash doesn’t understand what they’re saying! He has no idea what they went through in order to find him—they even took on the role of Ultra Guardians and got some help from Clefable and Garchomp! Even though he can’t figure out how they got so filthy, our hero is just happy to be back in the company of his Pokémon friends!

The Final Four!
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#22 - The Final Four!

Season 18 - Episode 135 - Aired 8/18/2019

Four Trainers are ready to compete in the Alola Pokémon League semifinals: Ash, Gladion, Guzma, and Kiawe. Mimo has come to cheer Kiawe on, but after getting lost on the way to the stadium, she is confronted by Team Skull! Gladion saves the day—and then goes on to battle her big brother! The first match of the semifinals reflects much hard work and skill by both Trainers. When Marowak is knocked out, Kiawe brings out Turtonator—and when it defeats Gladion’s Lycanroc, he calls for the mighty beast Silvally! Now it remains to be seen who will emerge victorious and move on!

The Road to the Semifinals!
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#23 - The Road to the Semifinals!

Season 18 - Episode 134 - Aired 8/11/2019

As the Alola Pokémon League quarterfinals rage on, Kiawe and Charizard face off against Sophocles and Vikavolt in the third battle. Both sides show impressive offense and defense, making it clear they’ve trained hard. But Vikavolt’s Wild Charge attack isn’t enough to stop Charizard’s Supersonic Skystrike Z-Move, and Kiawe and Charizard end up on top! In the fourth match, Lana and Primarina battle Guzma and Golisopod, but Guzma’s intense battling style takes Lana and Primarina by surprise. Despite a valiant effort, Primarina takes significant damage and loses the battle, but everyone agrees Guzma won fair and square. Next up are the semifinals: Kiawe versus Gladion and Ash versus Guzma!

Battling on the Wing!
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#24 - Battling on the Wing!

Season 18 - Episode 133 - Aired 8/4/2019

The Alola Pokémon League quarterfinals continue at a lightning pace, and Ash and Rowlet are in the midst of their battle with Hau and Decidueye. The attacks fly furiously—just like the competitors themselves—until it appears that Rowlet is unable to battle. But Hala notices that Rowlet hasn’t lost yet…it’s actually just sleeping! The battle restarts, and after mastering a new move, Rowlet ends up victorious! Then, Kiawe and Charizard face off against Sophocles and Vikavolt, and the latter two successfully pull off a Z-Move—will Charizard be able to escape the devastating attack?

Imitation is the Sincerest Form of Strategy!
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#25 - Imitation is the Sincerest Form of Strategy!

Season 18 - Episode 132 - Aired 7/28/2019

Rowlet is determined to battle Decidueye in Ash’s Alola Pokémon League quarterfinals match against Hau, but first it needs some additional training. And just in the nick of time, Toucannon and its flock arrive to teach Rowlet a new move! Meanwhile, at Manalo Stadium, Gladion and his Lycanroc defeat James and Mareanie…and then Ash is up next! Rowlet enters the battlefield dressed in a Decidueye costume, which ends up becoming a decoy against the real Decidueye’s Sinister Arrow Raid attack! With Rowlet still standing, how will the rest of the match play out?