List of Pokémon: Battle Frontier episodes

Ash(Sarah Natochenny(replacing Veronica Taylor in Seasons 1-8) in the English Adaption) and friends(Bill Rogers, Michelle Knots and Kayzie Rogers(veteran) in English Adaptions) arrive in a ghost town where, in a mansion, Psychic Pokémon are playing music and dancing to it. The Ghost Pokémon in the town don't like this and decide to stop it. Team Rocket's Wobbuffet falls in love with one of the Psychic Pokémon, a Kirlia. Ash and the others help the Psychic and the Ghost Pokémon get along with each other so they can live peacefully.

• Notes: Rodger Parsons (the original voice-actor) has returned his role as the Narrator.

- New voice-actors, Sarah Natochenny (Ash Ketchum), Bill Rogers (Brock) & Michelle Knots (May & Jessie) were the replacements for 4Kids' original cast.

- Veteran voice-actors, Jimmy Zoppi (James & Meowth) & Kayzie Rogers (Max & Wobbuffet) were taking over in the new dub in the ninth season.

May discovers that her Munchlax is sick after it refuses food. An elderly couple run into them and offer to help cure Munchlax, taking the group back to their cottage. James' Chimecho falls ill as well and, seeing a castle in the distance, rushes there. The castle turns out to be James' wealthy grandparent's cottage, where Ash and his friends are. Despite James' pleas, Jessie and Meowth decide to steal all the Pokémon in the garden while the others are taking care of Chimecho and Munchlax. Afterward, James is forced to leave Chimecho behind so it can recover and the Mime Jr. staying at his grandparents' cottage that got attached to James happily jumped into one of James' PokéBalls, and let itself be caught.

• Event: James of Team Rocket had received a Mime Jr. And leaves Chimecho at his Grandparents' house.

During a training battle against Ash's Grovyle, Brock's Mudkip evolves into a Marshtomp. Marshtomp, with its newly learned move Mud Shot, injures a nearby Flaaffy. Now Ash and friends must go with Flaaffy's trainer, Mariah, to her grandmother Katie's pharmacy to heal the injured Flaaffy.

• Event: Brock's Mudkip evolves into Marshtomp.

Arriving at the Battle Arena, Ash challenges Arena Tycoon Greta to a match. Learning that Greta favors using her Hariyama and Medicham, Ash recalls a friend from Professor Oak to help him win the Guts Symbol - his Snorlax. Ash battles Greta using Grovyle and Snorlax; will Ash pull out a win?

• Event: Ash wins a Guts Symbol.

After winning the Guts Symbol at the Battle Arena, Ash's next challenge is the Battle Dome. On their way, they came across a Breeding Center with lots of Pokémon eggs. May meets Nicolette, a girl who resents her because May is a Coordinator and she isn't. When Team Rocket attacks and steals all the Pokémon eggs, the two must put their differences aside and save the eggs. While delivering the final blow against Team Rocket, Pikachu's Quick Attack transforms to a powerful Volt Tackle[3], blasting Team Rocket off yet again. In the end, May receives an egg as a thank-you for saving the eggs.

• Event: May receives a Pokémon egg.

May arrives in Silver Town[lower-alpha 1] for her second Pokémon Contest. As the contest begins a guy named Jeremy enters the contest much to his wife and son's protest. Jeremy tries to tell his wife why he loves contests but she doesn't want to listen so May steps in to help Jeremy. As the final round arrives, it is a battle between May and Jeremy.

• Event: May wins a Silver Ribbon.

Ash finally arrives at the Battle Dome, and challenges Dome Ace Tucker to a match, who is also a star in that city. The battle begins with Ash using his Swellow and Corphish against Tucker's Arcanine and Swampert, During the battle, Tucker gains the upper hand by using combination attacks of his two Pokémon. Ash learns how to combine his Pokémon's attacks and effectively uses their power to hand a stunning defeat to Tucker. Ash wins his third Frontier Symbol, the Tactics Symbol.

• Event: Ash wins a Tactics Symbol.

On their way to the next Battle Frontier location, the Battle Pike, Ash and friends encounter an angry Elekid who attacks any Pokémon in his way. After it attacks Ash, Brock, May and Max, May's egg becomes stuck in Elekid's horns and it runs off. Team Rocket encounters the same Elekid and gets separated from Mime Jr. Brock discovers that the Elekid has absorbed the electricity from nearby lightning storms and suggests that Pikachu do the same so that the two can battle to drain Elekid's energy. During Pickachu's and Elekid's battle, Team Rocket intervenes and James sees that Mime Jr. is with May, and May sees that her egg is with James. After they swap, Team Rocket continue with trying to steal Pikachu and Elekid. Phanpy battles Team Rocket, and Elekid with Pikachu's combined power destroys Team Rocket's mech and Elekid calms down. Team Rocket attack Phanpy but the battle causes Phanpy to evolve into Donphan, who blasts Team Rocket away with Hyper Beam.

• Event: Ash's Phanpy evolves into Donphan.

While training Pikachu and Donphan, Ash and friends discover Evian, a student of a nearby Ninja School, spying on them. Arriving at the Ninja School, they learn from the teacher Angela that there is a thief causing a lot of robberies in the area. During their various lessons at the school they meet a wild Bonsly who cries a lot and doesn't get along with the other Pokémon at the school. Everyone at the school suspects Bonsly as the culprit behind all the crime, but Brock defends it and takes care of it, as it is still a baby. Team Rocket appears and tries to capture all of the Pokémon at the school. After taking care of Team Rocket, Brock battles and captures the Bonsly so that he can look after it.

• Event: Brock catches a Bonsly.

Ash and friends have arrived at Fuchsia City for Ash's fourth Battle Frontier battle, but May's Squirtle seems to have vanished. The frightened May begins searching for her Squirtle, arriving at an abandoned train station. May meets an old woman, holding Squirtle, named Edna who is waiting for a train. She has not been able to comprehend her husband Johnathan's death in a faraway city many decades ago, and has hence waited at the station ever since. May learns from Edna's granddaughter Katrina that Johnathan left Edna to study in a different city, with Edna refusing to leave her town. One year later, Edna received a letter notifying her of Johnathan's death after which Edna fell into a deep denial, waiting at the train station every day to wait for Jonathan. Katrina tells May that Edna regrets not stopping Jonathan because she was pregnant with Katrina's mother but never had time to tell Jonathan. May returns to the group at the Pokémon Center and recounts Edna's story. Squirtle runs away again and while searching for it, May finds Meowth at the train station, depressed after overhearing Edna's story. May sees Squirtle by the tracks and runs over with Meowth. They find Edna's pendant which she had dropped while running after Jonathan's train. Due to some mysterious magic from the pendant, May along with Squirtle and Meowth are transported to the past. May ends up saving Johnathan and Edna's story by using Squirtle's Ice Beam attack to turn the rain into snow, delaying Jonathan's train. Edna is finally able to catch up to Johnathan, informing him that she is pregnant, causing him to change his mind and stay with Edna. May, Squirtle and Meowth are transported back to their time, where they realize they have changed the past. The train station is no longer abandoned and after returning to the Pokémon Center with Ash, Brock and Max, May meets an elderly Edna and Jonathan which help her with her egg, which hatches into an Eevee.

• Event: May's egg hatches into an Eevee.

Ash finally arrives at the location of the Battle Pike ready to battle. Team Rocket tricks him into coming into their own fake Battle Pike where they capture Pikachu. With the help of the real Frontier Brain, Pike Queen Lucy, they save Pikachu. Ash challenges Lucy to a battle and, although it is her day off, she accepts as she has a crush on Brock. As the two begin their battle, Ash realizes Lucy is no pushover. Can Ash win? And who will Brock cheer for?

• Event: Ash wins a Luck Symbol.

Heading for the next Pokémon Contest, Ash and his friends encounter a Meganium owned by a Nurse Joy and a Tropius who is in love in it. However, Grovyle has become smitten with the Meganium as well, and seeks to beat the Tropius. When Team Rocket intervenes, Grovyle evolves into Sceptile but it loses the ability to use any of its attacks. Tropius and Meganium team up to get rid of Team Rocket.

• Event: Ash's Grovyle evolves into Sceptile.

After losing a ribbon to Harley, May arrives on Chrysanthemum Island ready to win her third Ribbon. Ash is also working hard trying to help Sceptile regain its ability to use attacks. When Drew (Bill Rogers (replacing Pete Zarustica) in the English Adaption) shows up, May finds out the anonymous letter and rose was not from him. Later while training on the beach, she meets a girl named Brianna who reveals that she is a huge fan of May and she sent the letter and rose to May. When Brianna finds out May knows Drew she freaks out as she has a crush on Drew. When she finally meets Drew, Brianna claims that she will beat May in the contest and win Drew's respect and love! Meanwhile, Jessie also enters the contest with James' Mime Jr. Despite losing to May, Brianna remains a fan and friend of May, and vows to tell Drew how she feels when she wins her next ribbon.

• Event: May wins a Chrysanthemum Ribbon.

Ash finally arrives at Battle Palace, ready to take on Palace Maven Spenser for the Spirit Symbol. As they head out to the battlefield Ash learns that he has the entire surrounding jungle to battle in! As the battle begins, May, Brock, and Max head up in a balloon with Scott to watch the battle. As the battle begins, Ash puts his newly "revived" Sceptile against Spenser's Shiftry and the battle quickly takes into the forest. Will Ash manages to be able to beat Spenser while battling in a forest? And does he have a secret weapon waiting in the wings?

• Event: Ash wins a Spirit Symbol.

May finally arrives in Gardenia Town ready to win her fourth Ribbon. She gains a nice surprise when she finds out the Eevee has learned Dig. While May prepares for the contest, Brock meets another Pokémon Breeder named Yuma. After seeing his Pokémon skills, she convinces him to enter the Gardenia Contest. After amazing appeals by Squirtle and Bonsly, both May and Brock make it to the battle rounds. Will May be able to beat her friend in order to win her fourth Kanto Ribbon?

• Event: May wins a Gardenia Ribbon.

After losing his match with Anabel, Ash battles her again in a rematch. Just like last time Anabel uses her telepathy ability to fight. Will Anabel prove too powerful with her telepathy, or will Ash overcome it to win an Ability Symbol? Even though Ash is at a disadvantage, he surprisingly does better than last time, even managing to win in the first round! After the match, Scott reveals that the final Frontier Battle is taking place just outside of Pewter City.

• Event: Ash wins an Ability Symbol.

On their way back to Pewter City, Ash and friends run into Pokémon Ranger Solana again. Solana thinks that a Deoxys is causing geo-magnetic problems, interfering with Pikachu, other Pokémon and anything electronic. Ash and the others go with her into a cave caused by a meteorite, and Team Rocket follows them wanting Deoxys for the boss. Deoxys possesses Meowth to communicate, and tells everyone that it is scared. After Max offers to help it, Deoxys runs off with both of them.

• Note: This episode (Part 1) and Part 2 were aired together as part of an hour-long special.

Ash and the others call a temporary truce with Jessie and James to get Max and Meowth back from Deoxys. Will they solve geo-magnetic problems and help Deoxys?

• Note: This episode (Part 2) and Part 1 were aired together as part of an hour-long special.

As the battle rounds for the Mulberry Contest begin, James and Meowth trick Ash, Brock, and Max into a huge metal box so that they can't cheer May on, in hopes that it will cause her to lose. Harley is more determined than ever to make sure May loses. Jessie and May easily breeze through the battle rounds. As the final round arrives, May sticks with her trusty Squirtle and Jessie stays with Harley's Banette. Will May be able to beat Jessie and win her final ribbon so she can compete in the Grand Festival? And what about Ash and the others, can Drew rescue them in time?

• Event: May wins her fifth ribbon, a Mulberry Ribbon.

Team Rocket tricks Brock's parents into leaving the Pewter Gym, leaving Ash and Brock to defend it. So Ash and Brock battle two on two with Ash's Donphan and Brock's newly evolved Steelix vs. Team Rocket's Pokémon Charizard and Aggron. Delibird gives Jessie and James a Charizard and Aggron by accident and claims it back for Butch and Cassidy in the end.

• Event: Brock finds out his Onix has evolved into a Steelix.

As May and Drew continue their battle. Drew quickly gains a lead with a new combo move. As the battle progresses, May manages to finally defeat Flygon with Squirtle. However, her victory is soon spoiled as Absol quickly takes out Squirtle. Combusken and Absol continue to battle with neither side letting down. During the battle, Combusken learns Overheat and is able to strike back with amazing power. As the battle ends, it comes down to May winning by just a few points. After the battle, Ash finally catches the troublesome Aipom in front of a crowd of onlookers, including Scott. May then finds herself up against Solidad and her amazing Pidgeot and Slowbro. Can May defeat Solidad and go on to win the Grand Festival?

• Event: Ash catches Aipom

Ash trades in some of his old Pokémon and brings Bulbasaur, Charizard, and Squirtle back. They head up into the mountains for a little training and reminiscing of the past. After stopping yet another Pikachu stealing attempt from Team Rocket, Ash runs into Brandon who is impressed by the four Pokémon. Brandon declares a 4-on-4 battle this time so he can see Ash's strength. Back with the group, Scott explains that he is the owner of the Battle Frontier, and that he started it to expand the art of Pokemon battles. He also reveals that if Ash beats Brandon, that he would be in the running to become a Frontier Brain. The next day, the battle begins as Brandon chooses Dusclops and Ash chooses Charizard. Will he finally be able to win?

• Event: Ash's Bulbasaur, Charizard & Squirtle return for Ash's rematch against Pyramid King Brandon.

Ash continues his battle against Brandon. With faith in his Bulbasaur, Ash manages to finally beat Dusclops. Then, Squirtle faces off against the speedy Ninjask and manages to pull off a win. Squirtle isn't so lucky when he faces down Solrock. Solrock defeats Squirtle. Ash then sends out Bulbasaur, and then Bulbasaur and Solrock knock out each other. So it comes down to the final battle: Pikachu vs. Regice. After a rough battle being trapped multiple times by ice, Pikachu manages to defeat Regice with an ultra powerful Volt Tackle. Ash wins over Brandon and becomes "Master of the Battle Frontier". Ash is offered a Frontier Brain position, but he declines. Ash waves a goodbye and Brandon leaves in his air ship.

• Event: Ash wins a Brave Symbol and becomes a Master of the Battle Frontier.
• Event: Ash's Squirtle returns to the Squirtle Squad with Officer Jenny, Professor Oak takes Bulbasaur back to his lab, and Charizard flies back to the Charicific Valley.

Having finally beaten the Battle Frontier, the group is headed for home. On their way however, Ash and May decide to enter into a Pokémon Contest that's open to everyone. Appealing with Pikachu and Eevee, Ash and May both get past the Appeals stage and end up having to battle each other in the final. During a break before the final match, Team Rocket appears and steals everyone's Pokémon. Combusken and Sceptile battle Team Rocket and the fight causes Combusken to evolves into Blaziken who blasts Team Rocket away and rescues the Pokémon. The final round of the contest begins, Ash using Sceptile and May using Blaziken. The battle is fierce, however despite the type advantage, Ash gains an upper hand.

• Event: May's Combusken evolves into Blaziken.

The final battle between May and Ash in the Pokémon Contest finally finishes. It's a close battle and Ash and May stand on the stage as the smoke clears and the match ends in a tie. Nurse Joy explains that they only have medal to give out so Sceptile uses Leaf Blade to cut the medal half, with May and Ash each keeping half. After the battle, Ash, May, Max, and Brock and all their Pokémon share one last meal together. May reveals that she is going to the Johto region alone to compete in the Pokémon Contests there. Disappointed, but excited to one day become a Pokémon trainer himself, Max will return to Hoenn. Ash promises to one day battle him once he is a trainer. Ash and Brock watch as May and Max leave on a boat. On their own way home, Brock leaves Ash once more to return to his home in Pewter City and Ash returns to Pallet Town. However, upon his return he meets Gary (Jimmy Zoppi in the English Adaption by Pokemon USA) and they decide to have a Pokémon battle. Ash appears to be confident he will win until he finds Gary has caught an Electivire from the Sinnoh region, which easily beats Pikachu. Ash decides to travel to the Sinnoh region as well and, along with Pikachu, says goodbye and heads to Sinnoh. Aipom, not wanting to leave Ash, sneaks onto the ferry to Sinnoh and meets up with Ash, joining him on his new adventure.

• Events: May and Max return to Hoenn, where May will leave for Johto. Brock returns to Pewter City. Ash leaves Donphan, Swellow, Sceptile & Corphish at Professor Oak's Lab with the rest of his Pokémon and heads to the Sinnoh region with Pikachu & Aipom.
• Note: The Advanced Generation series has ended, and the Diamond & Pearl series begins.