The BEST episodes of Pokémon season 12

Every episode of Pokémon season 12, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Pokémon season 12!

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: 4/25/2025Network: TV TokyoStatus: Continuing
Leading a Stray!
star
7.10
30 votes

#1 - Leading a Stray!

Season 12 - Episode 5 - Aired 1/8/2009

Ash and friends are having lunch when all of a sudden a Luxio comes along and steals all of their food. They follow it into the sewers where they discover a Wailmer that is trapped in the sewer and can't make it back to the ocean.

Uncrushing Defeat
star
7.00
58 votes

#2 - Uncrushing Defeat

Season 12 - Episode 28 - Aired 6/25/2009

With all of his Pokémon weak and injured from the battle with Paul, Ash rushes to the Pokémon Center in order to get them healed. Nurse Joy does not, however, have the berry needed to properly heal Monferno. Brock decides to help and heads to Lake Acuity to find it. While at the lake, something strange happens....

Get Your Rotom Running!
star
7.00
87 votes

#3 - Get Your Rotom Running!

Season 12 - Episode 1 - Aired 12/4/2008

Ash contacts Professor Oak who tells them about a hotel in the city that serves a delicious dessert. They head to the hotel, but it is closed. As they turn to leave the door mysteriously opens. They then head inside where they are attacked by a Rotom.

Promoting Healthy Tangrowth!
star
7.00
29 votes

#4 - Promoting Healthy Tangrowth!

Season 12 - Episode 29 - Aired 7/2/2009

Dawn decides to start training for the next Pokemon Contest with Mamoswine. However, despite overcoming its disobedience, Mamoswine still won't battle. Things turn bad when Mamoswine runs into a forest and Dawn chases after it.

Beating the Bustle and Hustle!
star
7.00
29 votes

#5 - Beating the Bustle and Hustle!

Season 12 - Episode 30 - Aired 7/9/2009

Dawn's favorite television show, Pokémon Hustle, is searching for actors near their current locations, and Dawn decides to try out for the show. Ash and Brock decide to try out, as well.

Gateway to Ruin!
star
7.00
29 votes

#6 - Gateway to Ruin!

Season 12 - Episode 31 - Aired 7/23/2009

Ash and friends are on their way to the town where Dawn's next contest will be held. They arrive at Mt. Coronet, the massive mountain that divides the Sinnoh region in half. The mountain also divides the region's pokémon, like Shellos. The Blue and Pink Shellos have ended up on the opposite side of the mountain, and while trying to figure out why, Piplup falls into an artificial tunnel, and when they go to rescue him, they come across something sinister.

Three Sides to Every Story!
star
7.00
58 votes

#7 - Three Sides to Every Story!

Season 12 - Episode 32 - Aired 8/6/2009

While on the way to Twinleaf Town, Piplup falls in love with a Marill. However, an Elekid also has its sights on Marill. What will become of this love triangle, especially when Team Rocket show up?

Strategy Begins at Home!
star
7.00
58 votes

#8 - Strategy Begins at Home!

Season 12 - Episode 33 - Aired 8/13/2009

Ash and friends go to Dawn's hometown of Twinleaf. Upon arrival, they find that they made it in time for the Twinleaf Town Festival, where a Pokémon Contest is about to be held. Dawn decides to enter, and it isn't long before she finds herself facing none other than her mother, Johanna, in battle. Knowing that Johanna won the Grand Festival in the past, will Dawn be able to defeat her?

A Faux Oak Finish!
star
7.00
58 votes

#9 - A Faux Oak Finish!

Season 12 - Episode 34 - Aired 8/20/2009

As the Twinleaf Town Festival continues, Ash and friends are surprised when they find that one of the upcoming Pokémon courses is to be hosted by none other than Professor Oak. Trouble starts brewing, however, when James brings back an old plan: to disguise himself as the professor.

Historical Mystery Tour
star
7.00
58 votes

#10 - Historical Mystery Tour

Season 12 - Episode 35 - Aired 8/27/2009

Ash and friends are still enjoying the Twinleaf Festival when they run into Barry. Wanting to see how the other one has improved, Ash and Barry decide to have a battle. However, plans are put on hold when the mysterious Xatu appears out of nowhere.

Challenging A Towering Figure!
star
7.00
29 votes

#11 - Challenging A Towering Figure!

Season 12 - Episode 36 - Aired 9/3/2009

Ash and friends find out that the main event for the Twinleaf Town Festival is a battle tournament, and the winner gets to have a battle with the Sinnoh Battle Frontier Brain, Palmer. Excited about that, Ash enters the tournament with hopes of battling him.

Where No Togepi Has Gone Before!
star
7.00
58 votes

#12 - Where No Togepi Has Gone Before!

Season 12 - Episode 37 - Aired 9/10/2009

The Twinleaf Town Festival has concluded, and Ash and friends continue their journey to the town hosting Dawn's next Pokémon Contest. The three soon fall into yet another one of Team Rocket's traps. However, things are not what they seem. A mischievous Togepi stirs up trouble for everyone and in the end they must work together in order to stop Togepi.

An Egg Scramble!
star
7.00
58 votes

#13 - An Egg Scramble!

Season 12 - Episode 38 - Aired 9/17/2009

Ash and friends arrive at a festival promoting the Johto region where they meet two trainers from the Johto Region and their starters, Chikorita and Totodile. At the festival, Dawn and the girl have a battle over a Pokémon egg. However, Team Rocket also has their eyes on the egg.

Gone With the Windworks!
star
7.00
58 votes

#14 - Gone With the Windworks!

Season 12 - Episode 39 - Aired 9/17/2009

The two Johto trainers decide to join Ash, Dawn, and Brock on their journey. While on the way to Dawn's next contest, the group stops near the Valley Windworks for Dawn to do some training. When Marill goes missing, the group heads into the windworks to find it, but once inside they are attacked by wild Pokémon and become trapped. Will they be able to escape the building?

A Rivalry to Gible On!
star
7.00
29 votes

#15 - A Rivalry to Gible On!

Season 12 - Episode 40 - Aired 10/1/2009

While on the way to the Dawn's contest, Ash and friends encounter a wild Gible, a very rare Dragon-Type Pokémon. Ash and Kazunari are both interested in capturing one, and they both go after it. Who will catch Gible?

Dressed for Jess Success!
star
7.00
29 votes

#16 - Dressed for Jess Success!

Season 12 - Episode 41 - Aired 10/1/2009

The time for the Lilypad Pokémon Contest has finally arrived. Dawn is excited for the contest since she still only needs one more ribbon in order to get into the Grand Festival. Meanwhile, when Jessie gets sick, James takes her place in the contest. Who will win the contest?

Bagged Then Tagged!
star
7.00
29 votes

#17 - Bagged Then Tagged!

Season 12 - Episode 42 - Aired 10/15/2009

Following the pokémon contest, Ash and friends decide to take a break. While they rest, they decide to have a tag battle since Lyra and Khoury have to return to Johto soon. However, before that happens Team Rocket shows up and steals Pikachu and Piplup, putting their plans on hold.

Try for the Family Stone!
star
7.00
29 votes

#18 - Try for the Family Stone!

Season 12 - Episode 43 - Aired 10/22/2009

Still on the way to Sunyshore City so Ash can battle for his final Sinnoh Gym Badge, Ash and friends meet a female trainer and her Misdreavus who are battling a Murkrow for a Dusk Stone, which has the power to evolve Misdreavus into Mismagius. It also has the power to evolve Murkrow into Honchkrow, so she is frantic to get the stone.

Sticking With Who You Know!
star
7.00
29 votes

#19 - Sticking With Who You Know!

Season 12 - Episode 44 - Aired 10/29/2009

On the way to Sunyshore City, Ash and friends stop in a forest. Things start to get chaotic, however, as Pikachu gets upset with Piplup in a debate over which of them Ash likes best. However, a mysterious wave all of a sudden makes the two Pokémon inseparable, so Ash and the others must solve the problem.

Unlocking the Red Chain of Events!
star
7.00
58 votes

#20 - Unlocking the Red Chain of Events!

Season 12 - Episode 45 - Aired 11/5/2009

On the way to Sunyshore City, Ash and friends are walking through a grassland and come across Meowth of Team Rocket, who is injured. When they ask him what happened while treating his wounds, Meowth says that he was attacked by Team Galactic in a large building called the Fuego Ironworks. Not only that, Jessie, James, and even Looker of the International Police have been captured. Upon hearing this, Ash and the others decide to head to the Fuego Ironworks to save them.

The Needs of the Three!
star
7.00
58 votes

#21 - The Needs of the Three!

Season 12 - Episode 46 - Aired 11/12/2009

Team Galactic has almost achieved its ultimate goal. In order to complete their plan, Cyrus hires Pokémon Hunter J to catch the legendary Lake Guardians, Azelf, Uxie, and Mesprit. Will J and Team Galactic succeed, or will Ash and friends put a stop to their plans?

The Battle Finale of Legend!
star
7.00
58 votes

#22 - The Battle Finale of Legend!

Season 12 - Episode 47 - Aired 11/12/2009

Cyrus has succeeded in his goal of awakening Dialga and Palkia and now the entire Sinnoh region is in danger. Cyrus plans to rebuild the world in his image, but that means the destruction of everything. Can Ash, Dawn, Brock, Looker, and Cynthia stop Team Galactic and save Sinnoh?

The Treasure is All Mine!
star
7.00
29 votes

#23 - The Treasure is All Mine!

Season 12 - Episode 48 - Aired 11/26/2009

With only one more badge needed to enter the Sinnoh League, Ash and friends resume their journey to Sunyshore City. Meanwhile, James stumbles upon a treasure chest that holds a big secret.

Mastering Current Events!
star
7.00
29 votes

#24 - Mastering Current Events!

Season 12 - Episode 49 - Aired 12/3/2009

While on the way to Sunyshore City, Ash and friends meet a master of air battles. Hoping to improve Gliscor's flying, Ash decides to have a battle with him, and the results may be more than he expected.

Double-Time Battle Training!
star
7.00
58 votes

#25 - Double-Time Battle Training!

Season 12 - Episode 50 - Aired 12/10/2009

Knowing that the next contest is going to be a double performance, Dawn begins training Mamoswine and Cyndaquil. Zoey arrives and decides to help Dawn with her training.