S23

Pokémon Trainer Ash Ketchum has a new plan: see the world! But first, he and his partner Pikachu are headed to the opening of the Cerise Laboratory, a research facility dedicated to uncovering the mysteries of Pokémon in every region. Ash meets Goh, another boy with boundless curiosity about Pokémon, and both are overjoyed when Professor Cerise asks them to become official research fellows. With Ash as determined as ever to become a Pokémon Master, and Goh aiming to catch one of every Pokémon (including the Mythical Mew), our heroes are in for adventure and excitement as they explore the wide world of Pokémon!

Spoiler warning: this article may contain major plot or ending details.

Poster for the season

• Ash meets Chloe, Professor Cerise, and Goh for the first time. (JN002)
• The Cerise Laboratory is officially opened in Vermilion City. (JN002)
• Professor Cerise appoints Ash and Goh as his research fellows. (JN002)
• Ren and Chrysa are formally introduced. (JN003)
• Professor Cerise's two Rotom enter Ash and Goh's smartphones, turning them into Rotom Phones. (JN003)
• Jessie and James are provided with the Rocket Prize Master, a vending machine for Team Rocket-trained Pokémon. (JN003)
• Ash and Goh learn about the Galar region and a phenomenon that causes Pokémon to grow giant there. (JN004)
• Ash and Goh travel to Galar for the first time. (JN004)
• Ash and Goh encounter a wild Scorbunny, who starts following them. (JN004)
• Ash and Goh witness Dynamaxing for the first time. (JN005)
• Goh decides to catch every single Pokémon on his path to one day catch Mew. (JN006)
• Ash and Goh visit Hoenn, with Goh visiting the region for the first time. (JN007)
• Goh has his first Trainer battle and loses. (JN007)
• Ash and Goh participate in the Battle Frontier Flute Cup, which Ash wins, earning a set of flutes as a reward. (JN007)
• Ash and Goh visit Sinnoh, with Goh visiting the region for the first time. (JN008)
• Ash and Goh visit Johto. (JN009)
• Ho-Oh appears again, but neither Ash nor Goh sees it. (JN009)
• The Cerise Laboratory is revealed to be haunted by a Gengar, which Goh unsuccessfully tries to catch. (JN011)
• Ash and Goh see a mysterious Pokémon. (JN012)
• Team Rocket is revealed to have traveled to Galar for the first time and received a Rotom Phone from Giovanni. (JN012)
• Leon, the Galar League Champion, is introduced. (JN012)
• Leon defeats Lance in the finals of the World Coronation Series, becoming the Monarch in the process. (JN012)
• Ash decides to challenge Leon. (JN012)
• Team Rocket tries and fails to catch a Drednaw, inadvertently causing it to Gigantamax and start attacking Wyndon Stadium. (JN012)
• Ash's Pikachu is revealed to be able to Gigantamax, and Gigantamaxes for the first time. (JN013)
• Ash and Goh properly meet Leon for the first time. (JN013)
• The Gigantamax Drednaw is defeated and returned to normal. (JN013)
• Ash receives a Dynamax Band from Leon. (JN013)
• Ash has an unofficial battle with Leon and loses. (JN013)
• Ash decides to challenge the World Coronation Series to one day have an official battle with Leon. (JN013)
• Ash and Goh visit Unova, with Goh visiting the region for the first time. (JN014)
• Ash and Goh participate in a Raid Battle for the first time. (JN014)
• Ash meets Halta, Camille, and Walker, Goh's family, for the first time. (JN015)
• Ash catches the Gengar that had been haunting the Cerise Laboratory. (JN016)
• Team Rocket is revealed to have a secret base in Vermilion City. (JN017)
• Goh's Scorbunny evolves into Raboot, but becomes noticeably more distant to its Trainer. (JN017)
• Ash registers for the new season of the World Coronation Series. (JN018)
• Goh tries to release Raboot, but then changes his mind. (JN022)
• Goh and Raboot settle their differences and reconcile from their previous argument. (JN022)
• Ash and Goh visit Kalos, with Goh visiting the region for the first time. (JN025)
• Ash meets up with Korrina and Gurkinn again, while Goh meets them for the first time. (JN025)
• Ash's World Coronation Series rank rises to 921, advancing him to the Great Class. (JN025)
• Raihan, a Galar Gym Leader and Leon's rival, is introduced. (JN027)
• Leon has a World Coronation Series match with Raihan and wins. (JN027)
• Chairman Rose is introduced. (JN027)
• Ash and Goh meet Sonia for the first time and learn about the Darkest Day. (JN027)
• Ash and Goh visit Hoenn again, while Chloe visits the region for the first time. (JN031)
• Ash and Goh meet Bea, a Fighting-type Gym Leader from the Galar region, for the first time. (JN034)
• Ash and Goh visit Alola, with Goh visiting the region for the first time. (JN037)
• Jessie and James participate in a Raid Battle for the first time. (JN040)
• Oleana is introduced. (JN042)
• Ash and Goh travel to Galar again to meet Professor Magnolia. (JN042)
• Goh meets Sonia again and heads to Turffield with her. (JN042)
• Ash meets Leon again and joins him in stopping rampaging Dynamax Pokémon. (JN042)
• Goh visits Turffield with Sonia before traveling to Wedgehurst and then to Stow-on-Side with her. (JN043)
• Goh and Sonia find a Wishing Star. (JN043)
• Sonia fashions the Wishing Star into a Dynamax Band, which she gives to Goh. (JN043)
• Goh uses Dynamax for the first time. (JN043)
• Raboot accidentally destroys the mural at Stow-on-Side, revealing statues of Zacian and Zamazenta behind it. (JN043)
• Goh, Sonia, and Ash learn the identities of Zacian and Zamazenta. (JN044)
• Eternatus emerges from the Energy Plant core, starting the Darkest Day. (JN044)
• Goh travels to Slumbering Weald to ask for Zacian and Zamazenta's help. (JN044)
• Ash travels to Hammerlocke to deal with the Darkest Day. (JN044)
• Meowth is revealed to be able to Gigantamax and does so for the first time. (JN044)
• Goh finds the Rusted Sword and Rusted Shield and takes them with him to Hammerlocke. (JN044)
• Ash learns of Rose's true nature and starts a Double Battle against him. (JN044)
• Goh meets Oleana for the first time and prepares to battle her. (JN044)
• Ash and Goh defeat Rose and Oleana, respectively. (JN045)
• Ash and Goh reunite. (JN045)
• Eternatus turns into its Eternamax form. (JN045)
• Ash and Goh defeat Eternatus with Zacian and Zamazenta's help. (JN045)
• Goh's Eternatus's Poké Ball is sealed away. (JN045)
• Sonia becomes a Pokémon Professor. (JN045)
• Ash and Goh return the Rusted Sword and Rusted Shield to Slumbering Weald. (JN045)
• Ash meets Mewtwo again, while Goh meets it for the first time. (JN046)
• Ash and Goh battle Mewtwo and lose. (JN046)

• An alternate logo that calls this season "The Animated Series" is used in the POP Player app.
• This is the first season to exclude the "To Be Continued..." text usually seen at the end of an episode. The first five episodes on Pokémon TV retain the text, however.
• This is the first season to premiere on a streaming platform rather than on television in the United States.
• This is the first season to have the Who's That Pokémon? segment inline with the Japanese version, with the type names removed.
• On Netflix, an epilepsy disclaimer at the beginning of each episode is shown after the TV rating text, following its use on Mewtwo Strikes Back—Evolution. In Japan, the disclaimer has been broadcast at the beginning of each episode since EP038.
• This is the first season to be dubbed by Iyuno-SDI Group (formerly known as Iyuno Media Group).
• This is the first season since Pokémon: DP Sinnoh League Victors to have different title card music in the English dub.
• This is the first season to be dubbed into:
  • Croatian, since S14 in 2012;
  • Hungarian, since S12 in 2011;
  • Arabic, since S07 in 2005.

• 
  Logo
• 
  Poster

• Pokémon Journeys: The Series page at Pokémon.com

This article is part of Project Anime, a Bulbapedia project that covers all aspects of the Pokémon anime.