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Season guide

Pokémon: Battle Frontier

46 episodes Premiered Oct 6, 2005 Updated Oct 2, 2026

Ash and Brock find several surprises upon returning to their home region of Kanto, which also features a Pokemon Ranger investigating two Legendary Pokemon. May resumes her path on the Contest circuit, working her way toward the Kanto Grand Festival. Meanwhile, Ash searches for the hidden facilities of the Battle Frontier. He must engage in battles against the Frontier Brains, which prove to be much tougher challenge

Previously on Pokémon

Season 9 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Ash Ketchum travels on a quest to become the greatest Pokemon trainer in the world by catching new Pokemon and challenging various leagues, always accompanied by his partner Pikachu.
  • ⚡ On his tenth birthday, Ash started his Pokemon journey with an unexpected Pikachu and found support in Brock and other companions.
  • ⚡ The franchise takes place in a shared universe where humans co-exist with creatures endowed with special powers.
  • ⚡ The animated series has followed the adventures of Ash Ketchum since debuting in 1997.
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Season overview

Ash and Brock find several surprises upon returning to their home region of Kanto, which also features a Pokemon Ranger investigating two Legendary Pokemon. May resumes her path on the Contest circuit, working her way toward the Kanto Grand Festival. Meanwhile, Ash searches for the hidden facilities of the Battle Frontier. He must engage in battles against the Frontier Brains, which prove to be much tougher challenges than any Gym Leader he has previously faced in his travels.

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Season 9 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 9 Progress Shield

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Binge Efficiency Engine

Season 9: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

93%
Mytharc (3): Crucial lore & season climaxes
Core (43): Character development & subplots
Side Quest (0): Standalone / filler
S9·E1 Mytharc

Fear Factor Phony

Oct 6, 2005 · 23 min

Ash and friends wander into a ghost town, where they try to help settle a dispute between a group of Ghost-type Pokémon and a group of Psychic-type Pokémon.

S9·E2 Core

Sweet Baby James

Oct 13, 2005 · 23 min

When May's Munchlax gets sick, Ash and friends seek the help of a kindly couple who specialize in healing Pokémon...and who just happen to be James's Nanny and Pop-Pop!

S9·E3 Core

A Chip Off the Old Brock

Oct 20, 2005 · 23 min

After Brock's Mudkip evolves into a Marshtomp and causes some trouble, Ash and friends befriend an elderly medicine-maker and help her assistants fight off Team Rocket's thieving a

S9·E4 Core

Wheel of Frontier

Oct 27, 2005 · 23 min

At the Battle Arena, Ash battles Frontier Brain Greta for his second Frontier Symbol!

S9·E5 Core

May's Egg-Cellent Adventure!

Nov 3, 2005 · 23 min

May helps the daughter of a family of Pokémon Egg ranchers start her own Pokémon Contest journey, and receives her own Pokémon Egg as a thank-you gift.

S9·E6 Core

Weekend Warrior

Nov 10, 2005 · 23 min

May competes against a former rock'n'roll guitarist and band leader in the Silver Town Pokémon Contest for her second Kanto ribbon!

S9·E7 Core

On Olden Pond

Nov 17, 2005 · 23 min

Taking a break from Ash's training regimen to do a little fishing, our heroes help a young woman keep the ownership of her family's lake from a land developer.

S9·E8 Core

Tactics Theatrics!!

Nov 24, 2005 · 23 min

At the Battle Dome, Ash challenges Frontier Brain Tucker, a master of both battle tactics and showbiz savvy, for his third Frontier Symbol.

S9·E9 Core

Reversing the Charges

Dec 1, 2005 · 23 min

On their way to the Battle Pike, Ash and friends meet a supercharged Elekid who's on a rampage, attacking everything in sight--including Max!

S9·E10 Core

The Green Guardian

Dec 8, 2005 · 23 min

The Mythical Pokémon Celebi has been injured in the forest, and Ash and friends, along with a Pokémon Ranger, nurse Celebi back to health.

S9·E11 Core

From Cradle to Save

Dec 15, 2005 · 23 min

On their way to the Battle Pike, our heroes come across a Pokémon ninja school, where they help the students rescue their Pokémon from Team Rocket's clutches.

S9·E12 Core

Time Warp Heals All Wounds

Dec 22, 2005 · 23 min

At an abandoned train station, May meets a woman who lost the love of her life thanks to a sad twist of fate.

S9·E13 Core

Queen of the Serpentine!

Jan 5, 2006 · 23 min

At the Battle Pike, Ash must further hone his on-the-spot strategy skills to defeat a soft-spoken, fierce Frontier Brain named Queen Lucy and win his fourth Frontier Symbol.

S9·E14 Core

Off the Unbeaten Path

Jan 12, 2006 · 23 min

After arriving on Potpourri Island, our heroes discover the Pokémon Orienteering competition just about to take place and decide to enter, vying for the coveted Pokémon Teamwork me

S9·E15 Core

Harley Rides Again

Jan 19, 2006 · 23 min

In the Wisteria Town Pokémon Contest, May discovers she is to compete against her old rival Harley.

S9·E16 Core

Odd Pokémon Out!

Jan 26, 2006 · 23 min

As our heroes continue toward May's next Pokémon Contest, Ash's Grovyle finds itself nursing a crush on Nurse Joy's Meganium!

S9·E17 Core

Spontaneous Combusken!

Feb 2, 2006 · 23 min

After meeting a new Coordinator named Brianna who's a fan of hers and an even bigger fan of Drew's, May discovers she must battle her in order to win her third Pokémon Contest ribb

S9·E18 Core

Cutting the Ties that Bind!

Feb 9, 2006 · 23 min

After a frustrated Sceptile runs off into the forest, Ash and Pikachu go after it and run into a swarm of angry Beedrill--and the next Frontier Brain!

S9·E19 Core

Ka Boom with a View!

Feb 16, 2006 · 23 min

It's time for Ash's next Battle Frontier challenge: a battle in the impressive outdoor arena at the Battle Palace, against Frontier Brain Spenser!

S9·E20 Core

King and Queen for a Day!

Feb 23, 2006 · 23 min

On their way to Ash's next Battle Frontier challenge, our heroes come across a couple of Pokémon TV stars who aren't feeling well, so Brock's Bonsly and James's Mime Jr. act as sta

S9·E21 Core

Curbing the Crimson Tide!

Mar 2, 2006 · 23 min

After hearing stories about many Trainers and Pokémon being defeated and taunted by a mysterious talking Pokémon known as Red Lightning, our heroes decide to find out what's really

S9·E22 Core

What I Did for Love!

Mar 9, 2006 · 23 min

When Brock meets up with a lovely Pokémon breeder who used to be a Coordinator, she talks him into competing against May in the Gardenia Pokémon Contest!

S9·E23 Core

Three Jynx and a Baby!

Mar 16, 2006 · 23 min

On their way to the Battle Tower for Ash's next challenge, our heroes come across a cute little Smoochum who is fiercely guarded by three Jynx, and Ash has to convince them he's on

S9·E24 Core

Talking a Good Game!

Mar 23, 2006 · 23 min

On their way to the Battle Tower, our heroes meet an amazing person who seems to be able to communicate with Pokémon by sensing their feelings...and more surprises await!

S9·E25 Core

Second Time's the Charm!

Mar 30, 2006 · 23 min

After losing to Frontier Brain Anabel, Ash buckles down for some unusual special training--and Anabel joins him! Can he defeat her in the rematch?

S9·E26 Core

Pokémon Ranger! Deoxys' Crisis!

Apr 13, 2006 · 46 min

After witnessing strange behavior from several kinds of Pokémon on their way to Pewter City, our heroes and Pokémon Ranger Solana encounter an electromagnetic disturbance, which le

S9·E27 Core

All That Glitters Is Not Golden!

Apr 20, 2006 · 23 min

On their way to Ash's final Frontier Battle and Brock's hometown of Pewter City, our heroes discover a wandering golden Sudowoodo and the estranged Trainer who caused its unusual c

S9·E28 Core

New Plot, Odd Lot!

Apr 27, 2006 · 23 min

May is going after her fifth Contest Ribbon to qualify for the Grand Festival, but when her shady rival Harley teams up with Team Rocket, things don't look good!

S9·E29 Core

Going for Choke!

May 4, 2006 · 23 min

After a shaky start in the Mulberry Pokémon Contest, May makes it through to the finals, where she goes up against "Jessebella"--Team Rocket's Jessie in disguise!

S9·E30 Core

The Ole' Berate and Switch!

May 11, 2006 · 23 min

After a squabble causes Jessie and James to part ways, they team up with fellow Team Rocket agents Butch and Cassidy for a Poké Ball-swiping scheme!

S9·E31 Core

Grating Spaces!

May 18, 2006 · 23 min

Upon arriving in Pewter City, our heroes learn that Brock's old Gym is being remodeled by none other than Team Rocket in disguise, and Brock and Ash must battle them to put a stop

S9·E32 Core

Battling the Enemy Within!

May 25, 2006 · 23 min

In the ancient ruins beneath the Battle Pyramid, Ash is mysteriously possessed by the spirit of an ancient and evil king, who challenges Frontier Brain Brandon to a battle for all

S9·E33 Core

Slaking Kong!

Jun 8, 2006 · 23 min

On their way to the Grand Festival, our heroes help a berry farmer reclaim his stolen crop.

S9·E34 Core

May, We Harley Drew'd Ya!

Jun 15, 2006 · 23 min

As the Grand Festival gets under way at the Indigo Plateau, May has her hands full trying to compete with the best Coordinators in the world, including Harley, Drew, and new friend

S9·E35 Core

Thinning the Hoard!

Jun 22, 2006 · 23 min

The Grand Festival is going strong as May faces down one impressive competitor after another!

S9·E36 Core

Channeling the Battle Zone!

Jun 29, 2006 · 23 min

May faces Drew in the quarterfinals of the Grand Festival, and the two seem to be very evenly matched! Can May come out ahead?

S9·E37 Core

Aipom and Circumstance!

Jul 6, 2006 · 23 min

On their way to Ash's rematch with Brandon at the Battle Pyramid in Fennel Valley, our heroes come across a village taking part in the annual ritual of choosing a king, and Ash's A

S9·E38 Core

Strategy Tomorrow - Comedy Tonight!

Jul 20, 2006 · 23 min

Our heroes meet an aspiring comedian named Audrey and her showbiz sidekick and Pokémon partner, Chatot.

S9·E39 Core

Duels of the Jungle!

Jul 27, 2006 · 23 min

Our heroes find themselves embroiled in Pokémon politics as two Weavile face off for leadership of a group of Sneasel!

S9·E40 Core

Overjoyed!

Aug 3, 2006 · 23 min

When our heroes arrive at the Battle Pyramid for Ash's battle with Brandon, they discover a Nurse Joy who's a big fan of Ash and May!

S9·E41 Core

The Unbeatable Lightness of Seeing!

Aug 10, 2006 · 23 min

After their recent defeats in important matches at the Battle Pyramid and the Grand Festival, Ash and May are feeling a little down, until several old friends come together to supp

S9·E42 Core

Pinch Healing!

Aug 17, 2006 · 23 min

When Nurse Joy becomes too ill to take care of the Pokémon Center, our heroes pitch in, coming to the aid of a Pokésitter and his charges after a bus accident.

S9·E43 Core

Gathering the Gang of Four!

Aug 24, 2006 · 23 min

Ash prepares for his final rematch with Brandon at the Battle Pyramid by rounding up the Pokémon he's been with the longest, spending his time sharing old memories with them and tr

S9·E44 Core

Pace - The Final Frontier!

Aug 31, 2006 · 23 min

Ash has lost to Brandon in two previous battles, and now his Charizard has been defeated! Can he battle back to claim the final Frontier Symbol?

S9·E45 Mytharc

Once More with Reeling! (1)

Sep 7, 2006 · 23 min

Ash has beaten the Battle Frontier, but his competitive spirit won't let him rest for long, and he and May both sign up for an unofficial Pokémon Contest in Terracotta Town!

S9·E46 Mytharc

Home Is Where the Start Is! (2)

Sep 14, 2006 · 23 min

After one last contest battle between Ash and May, our heroes go their separate ways, and Ash discovers his next adventure!

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