History Trivia / PokemonHorizonsTheSeries

*** Creator/SungWonCho voices Sidan and a Cufant trainer.

** Creator/SungWonCho, the voice behind Sidan in the English Dub, previously voiced Sydney in ''Masters''.

* PlayingAgainstType: Creator/IkueOtani, who played Ash's heroic Pikachu and the similarly heroic Captain Pikachu, plays Sango, a CardCarryingVillain with a nasty personality, who works as one of The Explorer's Admins.

** Creator/SarahNatochenny, who dubbed Ash since the ninth season of ''Advanced Generation'' onward, along with dubbing Dawn's Buneary, Cynthia's Roserade, and Ash's Staraptor among other roles, voices a minor student in the pilot episode along with several Pok&ecute;mon, namely Mollie's Chansey, a Caterpie, a Diglett and a Paldean Wooper.

*** [=SungWon=] Cho voices Sidan and a Cufant trainer.

* DescendedCreator: Creator/CrispinFreeman was actually a script writer on the first two seasons of the original series. He voices Professor Friede here.

** Erica Schroeder, the second voice for Jessie's Wobbuffet and several other Pokémon, Creator/MarcThompson, who voices Ash's Gengar and several other Pokémon, Bill Rogers, the second voice for Brock and a voice actor for many of the Pokémon in the series, and Megan Hollingshead, the original Nurse Joy, provide additional voices for the series.

** Haven Paschall, Serena's dub voice, voices another minor student in the pilot, in addition to voice Murdock's Rockruff like she did with Ash's prior to its evolution.

** Haven Paschall, Serena's dub voice, voices another minor student in the pilot.

*** Creator/IkueOtani voices Captain Pikachu in both the English and Japanese dubs of the series, in addition to voicing Sango in the latter.

** Erika Schroeder, the second voice for Jessie's Wobbuffet and several other Pokémon, Creator/MarcThompson, who voices Ash's Gengar and several other Pokémon, Bill Rogers, the second voice for Brock and a voice actor for many of the Pokémon in the series, and Megan Hollingshead, the original Nurse Joy, provide additional voices for the series.

** Creator/SarahNatochenny, who dubbed Ash since the ninth season of ''Advanced Generation'' onward, along with dubbing Dawn's Buneary, Cynthia's Roserade, and Ash's Staraptor among other roles, voices a minor student in the pilot episode.

* ShortRunInPeru: The English dub of the series premiered on CBBC and Creator/TheBBC iPlayer streaming service in the United Kingdom around December, with Creator/{{Netflix}} receiving their iteration of the dub on March 7, 2024 for the US release.

* ScheduleSlip: The Dub was first announced to be coming to Netflix on Febuary 23, 2024, but was later pushed back two weeks to March 7. Oddly enough, the episodes have continued to come out on the BBC Player in the UK albeit only people in that country can view the episodes.

* ShortRunInPeru: The English dub of the series premiered on Creator/TheBBC iPlayer and CBBC streaming service in the United Kingdom around December, with Creator/{{Netflix}} receiving their iteration of the dub on March 7, 2024 for the US release.

** For both the Japanese and English dubs, Fuecoco and the Pokédex are voiced by the same actor-- Creator/DaikiYamashita and Creator/ZenoRobinson respectively.

** This isn't the first criminal mastermind Creator/DavidKaye has voiced that [[WesternAnimation/YoungJustice lead a mysterious criminal organization]], nor is it the first time he voiced [[WesternAnimation/BeastWars someone associated with the color purple]], [[SelfDemonstrating/BeastWarsMegatron yeeeeees...]]

** Longtime ''Pokémon'' dub VA Creator/LisaOrtiz, who's voice multiple characters and Pokémon since the beginning, voices the Indigo Academy Principal in the pilot, voices Ann's Oshawott as she did with Ash's, and voices Onia.

** Billy Bob Thompson, whose voice numerous ancillary characters in the franchise, voices the Machoke Trainer and Liko's Homeroom Teacher in the pilot, and provides additional voices.

* SequelGap: Downplayed in Japan where it aired three weeks after the end of the previous series instead of the usual two. Played straight in English Speaking areas aside from the UK, where Anime/PokemonToBeAPokemonMaster came to Netflix on September 8, 2023, while the first batch of ''Horizons'' has a release date of March 7, 2024, a gap of one day less than six months.

* ShortRunInPeru: The English dub of the series premiered on Creator/TheBBC iPlayer and CBBC streaming service in the United Kingdom around December, with Creator/{{Netflix}} receiving their iteration of the dub in February 23, 2024 for the US release.

** Creator/DamanMills voices Quaxly and Amethio in the English dub.
** Creator/IkueOtani voices Captain Pikachu in both the English and Japanese dubs of the series, in addition to voicing Sango in the latter.
** Creator/KeiShindou voices Liko's Hatenna, Murdock's Alcremie, Mollie, Nemona's Pawmo, and reprises her role as Nurse Joy in the Japanese dub.
** Kohsuke Tanabe voices Slugma and Zirc in the Japanese dub.

** Creator/AnjaliKunapaneni voices Roy and the Academy Matron.
** In the English dub, Creator/EricaMendez voices Nurse Joy and Mollie.

** Iono's debut in the anime has her voiced by Creator/KaedeHondo rather than Creator/FairouzAi, who provided the character's voice for her introductory video promoting ''VideoGame/PokemonScarletAndViolet''.

** In the English Dub, Creator/EricaMendez voices Nurse Joy and Mollie.

** Nurse Joy's English voice actor is Creator/EricaMendez this time around.

** For the first time in the main show since Gen III, Rodger Parsons is replaced as the Narrator by Creator/StevenBlum.

* DiedDuringProduction: Daisuke Jinbo, the sound effects editor for both this series and the original anime passed away in July of 2023 as confirmed in [[https://twitter.com/nao_arakawa/status/1685129190692343809 these tweets]] by a [[https://twitter.com/Takagi_Hajime/status/1684877441557467136 couple of industry people]] who had worked with him in the past, leaving fellow ex-Creator/SwaraPro employee Kenji Koyama [[note]] who had been assisting Jinbo since episode 253 of the original anime [[/note]] to fully take over Jinbo's posotion as the series' sound effects editor. That said, Jinbo's still credited in current episodes along with Koyama likely out of respect for his contributions.

** Haven Paschall, Serena's dubbing voice, voices another minor student in the pilot.
** Longtime ''Pokémon'' dubber Creator/LisaOrtiz, who's voice multiple characters and Pokémon since the beginning, voices the Indigo Academy Principal in the pilot, voices Ann's Oshawott as she did with Ash's, and voices Onia.

* CrossRegionalVoiceActing: As with ''Journeys'', the English Dub of the anime uses a mix of New York and Los Angeles talent, with the latter notably including Creator/CrispinFreeman as Friede [[note]] as this is a union dub unlike previous ''Pokémon'' dubs and Crispin has been a union only actor since the 2000s [[/note]] and Creator/ZenoRobinson as the Pokédex and Fuecoco.

* TheOtherDarrin: Iono's debut in the anime has her voiced by Creator/KaedeHondo rather than Creator/FairouzAi, who provided the character's voice for her introductory video promoting ''VideoGame/PokemonScarletAndViolet''.

** Erika Schroeder, the second voice for Jessie's Wobbuffet and several other Pokémon, and Creator/MarcThompson, who voices Ash's Gengar and several other Pokémon, provides additional voices for the series.