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Season guide

Pokémon: Sun & Moon

43 episodes Premiered Nov 17, 2016 Updated Oct 2, 2026

What begins as a summer vacation in the tropical Alola region transforms into the next chapter of Ash Ketchum’s quest to become a Pokémon Master. Alongside his partner Pikachu, Ash explores the sunny new region, discovering new Pokémon and learning from people such as Professor Kukui and Samson Oak. Ash is guided through his Alolan adventure by a group of skilled trainers that includes Kiawe, Lana, Mallow, Sophocles,

Previously on Pokémon

Season 20 Lore Primer

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

  • ⚡ Ash Ketchum is on a continuous quest to become a Pokémon Master, accompanied by his partner Pikachu.
  • ⚡ Ash travels through many regions, meeting new friends and facing new challenges.
  • ⚡ Team Rocket frequently pursues Ash and Pikachu to steal their Pokémon.
  • ⚡ Ash's adventures involve catching new Pokémon and encountering various leagues and trainers.
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Season overview

What begins as a summer vacation in the tropical Alola region transforms into the next chapter of Ash Ketchum’s quest to become a Pokémon Master. Alongside his partner Pikachu, Ash explores the sunny new region, discovering new Pokémon and learning from people such as Professor Kukui and Samson Oak. Ash is guided through his Alolan adventure by a group of skilled trainers that includes Kiawe, Lana, Mallow, Sophocles, and a mysterious research assistant named Lillie. Meanwhile, the frequent foes Team Rocket travel to Alola to swipe high-powered new Pokémon, but they face heavy competition from the ruffians of Team Skull, who cause chaos and potentially harbor more sinister intentions throughout the region.

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Season 20 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 20 Progress Shield

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Binge Efficiency Engine

Season 20: Filler vs. Essential Canon

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

Time Saved 0.4h Skipping 1 filler episode
91%
Mytharc (3): Crucial lore & season climaxes
Core (39): Character development & subplots
Side Quest (1): Standalone / filler
S20·E1 Mytharc

Alola to New Adventure!

Nov 17, 2016 · 23 min

What begins as a vacation for our hero on Melemele Island in the Alola region turns into the promise of many, many exciting adventures to come!

S20·E2 Core

The Guardian's Challenge!

Nov 17, 2016 · 23 min

Ash and Pikachu are adjusting to life in the Alola region-and it's about to give them a powerful push in a new direction!

S20·E3 Core

Loading the Dex!

Nov 24, 2016 · 23 min

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

S20·E5 Core

Yo, Ho, Ho! Go, Popplio!

Dec 1, 2016 · 23 min

Ash's Pokémon class is off to the sea for some fishing, but Team Rocket has a completely different kind of fishing in mind!

S20·E6 Core

A Shocking Grocery Run!

Dec 8, 2016 · 23 min

Ash's first day off from Pokémon School was supposed to be a relaxing break, but things don't go quite as expected!

S20·E7 Core

That's Why the Litten Is a Scamp!

Dec 15, 2016 · 23 min

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

S20·E9 Core

To Top a Totem!

Jan 5, 2017 · 23 min

Ash wants a new Z-Crystal, but he must face some formidable tasks first!

S20·E10 Core

Trial and Tribulation!

Jan 12, 2017 · 23 min

The Melemele Island grand trial is imminent, and Ash must square off against the power and wisdom of Kahuna Hala!

S20·E11 Core

Young Kiawe Had a Farm!

Jan 19, 2017 · 23 min

Ash has time off from school for training, but a fellow student's activities away from school have our hero wanting to find out all about it!

S20·E12 Filler

The Sun, the Scare, the Secret Lair!

Jan 26, 2017 · 23 min

While our heroes enjoy a class on the beach, familiar and unfamiliar troubles are brewing behind the scenes!

S20·E13 Core

Racing to a Big Event!

Feb 2, 2017 · 23 min

An Alolan tradition whets everyone’s appetite for fun, and Ash decides to join in!

S20·E14 Core

Getting to Know You!

Feb 9, 2017 · 23 min

The time has come for Lillie to address her fears, and having a new friend is the perfect way to do it!

S20·E15 Core

Rocking Clawmark Hill!

Feb 23, 2017 · 23 min

Rockruff's current behavior may be a mystery, but Ash and Professor Kukui are determined to get to the bottom of it!

S20·E16 Core

They Might Not Be Giants!

Mar 2, 2017 · 23 min

Team Rocket has their eyes on our heroes' Pokémon, but a mysterious third Pokémon has a different idea!

S20·E17 Core

Crystal-Clear Sleuthing!

Mar 9, 2017 · 23 min

There's a mystery that needs solving, and there's also a surprising sleuth who's determined to solve it!

S20·E18 Core

A Seasoned Search!

Mar 16, 2017 · 23 min

Our heroes are hungry indeed, but a quest to find the missing ingredient is keeping them that way!

S20·E19 Core

A Guardian Rematch!

Mar 23, 2017 · 23 min

Ash is looking for a very important rematch, and his training regimen is breaking new ground!

S20·E20 Core

Partner Promises!

Apr 6, 2017 · 23 min

A pleasant day trip for our heroes turns into an unforgettable adventure!

S20·E21 Core

One Journey Ends, Another Begins...

Apr 6, 2017 · 23 min

The ending of one chapter in the life of a determined Pokémon ushers in the beginning of a brand-new one!

S20·E22 Core

A Shivering Shovel Search!

Apr 13, 2017 · 23 min

A day at the beach offers up our heroes much more than they bargained for!

S20·E24 Core

Alolan Open House!

Apr 27, 2017 · 23 min

It's the Open House day at the Pokémon School, and a surprising group of people has gathered for all the fun!

S20·E25 Core

A Team-on-Team Tussle!

May 4, 2017 · 23 min

There's a Z-Crystal ripe for the picking, but are the unlikely pickers up to the task?

S20·E26 Core

So Long, Sophocles!

May 11, 2017 · 23 min

Moving to a new place and a new life can be stressful for anyone, and the Pokémon School gang is no exception!

S20·E27 Core

A Glaring Rivalry!

May 18, 2017 · 23 min

A powerful Trainer has recently appeared on Melemele Island, and Ash can’t wait to find out everything about him!

S20·E28 Core

Pulling Out the Pokémon Base Pepper!

May 25, 2017 · 23 min

It’s Pokémon Base season in Alola, and the Pokémon School gang can’t seem to get enough of it: even playing against the enemy!

S20·E29 Core

Lulled to La-La Land!

Jun 8, 2017 · 23 min

A Pokémon School camping trip, complete with a scary campfire story, makes for an experience our heroes will never forget!

S20·E30 Core

The Ol' Raise and Switch!

Jun 15, 2017 · 23 min

An unusual assignment at the Pokémon School gives our heroes a surprising opportunity to learn, grow, and have fun at the same time!

S20·E31 Core

The Island Whisperer!

Jun 22, 2017 · 23 min

Our heroes are preparing for a field trip on Akala Island, and the island kahuna promises to make it a trip to remember!

S20·E32 Core

Treasure Hunt, Akala Style!

Jun 29, 2017 · 23 min

It's a new day for the Pokémon School field trip, and our heroes are preparing for an adventure they will treasure forever!

S20·E33 Core

Big Sky, Small Fry!

Jul 6, 2017 · 23 min

Our heroes are busy with extracurricular activities on Akala Island, and Ash and Lana are in for a great adventure!

S20·E34 Core

A Crowning Moment of Truth!

Jul 20, 2017 · 23 min

The Wela Fire Festival is just starting to heat up, but someone seems determined to put it out!

S20·E35 Core

Currying Favor and Flavor!

Jul 27, 2017 · 23 min

Our heroes are embarking on a mission filled with good taste...and a surprising finish!

S20·E36 Core

Trials and Determinations!

Aug 3, 2017 · 23 min

The time for Ash's grand trial with Olivia is finally here, and it's no ordinary battle!

S20·E37 Core

Rising from the Ruins!

Aug 10, 2017 · 23 min

As if Ash's victory at his grand trial wasn't monumental enough, an unexpected transformation makes a memorable field trip even more momentous!

S20·E38 Core

Mimikyu Unmasked!

Aug 17, 2017 · 23 min

When Mimikyu faces a fashion problem, Jessie sees a bonding opportunity!

S20·E39 Core

Mallow and the Forest Teacher!

Aug 24, 2017 · 23 min

It's a challenging day for Mallow and her family restaurant, and emotions are running high!

S20·E40 Core

Balloons, Brionne, and Belligerence!

Aug 31, 2017 · 23 min

Lana and Popplio are working hard to master their Z-Move, but their progress is soon to grow by leaps and bounds!

S20·E41 Core

Mounting an Electrifying Charge!

Sep 7, 2017 · 23 min

Three of our heroes are teaming up for the annual Charjabug race, an electrifying event with shocking results!

S20·E42 Mytharc

Alola, Kanto!

Sep 14, 2017 · 23 min

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

S20·E43 Mytharc

When Regions Collide!

Sep 21, 2017 · 23 min

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

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