The original airing on TV Tokyo had a special Masters Eight Tournament preview video. It was also posted on Twitter and YouTube on May 27th, 2022, but the latter was region locked to Japan only.

Champions gather from regions all around the world. Finally... the curtain rises for the Masters Tournament.

Satoshi: The first Champion of the Alola League
Iris: The young Isshu Champion
Alan: The winner of the Kalos League Miare Tournament
Carne: The world famous actress Kalos Champion
Wataru: The new Champion of Kanto and Jouto
Daigo: The Devon Corporation heir Houen Champion
Shirona: The archeologist Sinnoh Champion
Dande: The undefeated world's greatest Galar Champion

A special preview for the Pocket Monsters Anime Promotional Video ⑬ Masters Tournament Match-up Card Edition (アニメ「ポケットモンスター」プロモーション映像⑬ マスターズトーナメント対戦カード編) played after the episode end commercial break.

This preview was in addition to the normal next episode preview at the end of the episode. The official Anipoke Twitter also posted this preview as did the official Japanese Pokémon YouTube channel on June 10th, 2022.

This preview was the official revealing of the Masters Tournament First Round Match-up:
Rank 1 Dande VS Rank 6 Alan
Rank 4 Wataru VS Rank 5 Carne
Rank 2 Shirona VS Rank 7 Iris
Rank 3 Daigo VS Rank 8 Satoshi

The Masters Tournament of the Pokémon World Championships, the greatest Pokémon battle tournament in history, has begun! Their respective match-up cards have finally been revealed! Who will be Satoshi's opponent in the first round? Champion-level players from each region have gathered to engage in heated battles for the championship!

The Pokémon anime is getting more and more exciting as it reaches its climax!
The Pokémon anime airs on TV Tokyo every Friday at 6:55 p.m.!
*Broadcasting dates and times may differ in some areas.

ポケモンバトル最強を決める史上最高の大会「ポケモンワールドチャンピオンシップス」のマスターズトーナメントが開幕！
それぞれの対戦カードがついに明らかに！
サトシの1回戦の相手は誰なのか？
各地方のチャンピオン級の強者たちが集い、優勝を目指して熱いバトルを繰り広げる！
最高潮（クライマックス）にむけて、どんどん盛り上がっていく、アニメ「ポケットモンスター」をよろしくね！
アニメ「ポケットモンスター」はテレビ東京系にて毎週金曜よる6時55分から放送中！ ※一部地域では、放送日時が異なります。

The original airing had a quick notice at the start of the show that stated: An important announcement is at the end of the show!（番組の最後に大切なおしらせ！）

A short clip with new information was revealed about the new series of the popular anime Pocket Monsters (airs on the TV Tokyo Network every Friday at 6:55pm, officially abbreviated "Anipoke"), which began broadcasting on April 14th, 2023. This was a new series where the old protagonists Satoshi and Pikachu were replaced. A new promo image featuring Roy, one of the dual protagonists, was released as well.

In the picture you can see various expressions of Roy, who's being presented as "a boy with a mysterious monster ball". The other of the dual protagonists, the girl Liko, was presented as "a girl with a mysterious pendant".

The new series will feature new dreams and adventures set across the entire Pokémon world as the adventures of Liko and Roy unfold alongside lots of Pokémon, including the starter trio Nyahoja, Hogator and Kuwassu.

Japanese Press Release:

テレビ東京系で毎週金曜よる6時55分から放送中のテレビアニメ「ポケットモンスター」は、少女・リコと少年・ロイの2人が登場する新シリーズを2023年4月14日（金）に放送することを発表。先週の放送で公開されたリコの新情報に続き、もう一人の主人公・ロイの新たな情報が公開となりました。

本日の放送で新たに明らかになった謎のモンスターボール。様々な装飾が施され、どこか古めかしさを感じるこのモンスターボールは一体…！？さらに、ロイの様々な表情が描かれたイラストも公開！新シリーズのさらなる情報は今後のテレビアニメ「ポケットモンスター」でも続々発表しますので、是非ご注目ください！

Source: https://prtimes.jp/main/html/rd/p/000000828.000002610.html

A short clip with new information was revealed about the new series of the popular anime Pocket Monsters (airs on the TV Tokyo Network every Friday at 6:55pm, officially abbreviated "Anipoke"), which began broadcasting on April 14th, 2023. It featured two new characters: Friede, the "Battling Pokémon Professor" who's good at Pokémon battles as well, and his partner Captain Pikachu.

Dual protagonists Liko and Roy end up meeting Pokémon Professor Friede, who dresses himself stylishly in goggles and a flight jacket. "Captain Pikachu", whose imposing facial expression and hat make for an impressive sight, appeared as his partner. Pictures where you can see various expressions of Friede and Captain Pikachu were revealed as well.

Japanese Press Release:

テレビ東京系で毎週金曜よる6時55分から放送中のテレビアニメ「ポケットモンスター」は、少女・リコと少年・ロイの2人が登場する新シリーズを2023年4月14日（金）から放送スタート。先週の放送で公開されたロイの新情報に続き、ポケモンバトルも強い「戦うポケモン博士」フリードとその相棒・キャプテンピカチュウが登場することを発表しました。

リコとロイが出会うのは、ゴーグルとフライトジャケットを着こなすポケモン博士のフリード。そして凛々しい表情と帽子が印象的な“キャプテンピカチュウ”が彼の相棒として登場することが明らかになりました。さらに、フリードとキャプテンピカチュウの様々な表情が描かれたイラストも初公開！　新シリーズのさらなる情報は今後のテレビアニメ「ポケットモンスター」で発表しますので、是非ご注目ください！

A brief teaser announced that a new video for the Pocket Monsters 2023 series would be presented later in the episode! (番組の後半に最新映像を発表！)

A short clip with new information was revealed about the new series of the popular anime Pocket Monsters (airs on the TV Tokyo Network every Friday at 6:55pm, officially abbreviated "Anipoke"), which broadcast starting with a 1 hour special on April 14th, 2023.

The old protagonists Satoshi and Pikachu were replaced with a new set of dual protagonists, where Minori Suzuki played the role of Liko and Yuka Terasaki played the role of Roy, while Taku Yashiro played the Pokémon Professor Friede. Ikue Ohtani handled the voice of Satoshi's partner Pikachu, but was also in charge of the new series' new character and Pokémon Professor Friede's partner Captain Pikachu. Viewers could listen to their voices in the new trailer that got released.

A brief teaser announced that a new video for the Pocket Monsters 2023 series would be presented later in the episode! (番組の後半に最新映像を発表！)

A short clip with new information was revealed about the new series of the popular anime Pocket Monsters (airs on the TV Tokyo Network every Friday at 6:55pm, officially abbreviated "Anipoke"), which broadcast starting with a 1 hour special on April 14th, 2023.

The new characters are all members of the "Rising Volt Tacklers" led by Professor Friede: The machinery enthusiast Orio (voiced by Ayane Sakura) with her partner Metagross, the great cook Murdock (voiced by Kenta Miyake) with his partner Iwanko, the medical specialist Molly (voiced by Kei Shindo) with her partner Lucky, as well as Landau (voiced by Ikkyu Juku), who looks like a fisherman. The Rising Volt Tacklers use a blimp as their base when they go out on adventures.

A brief teaser announced that a new video for the Pocket Monsters 2023 series would be presented later in the episode! (番組の後半に最新映像を発表！)

A short clip with new information was revealed about the new series of the popular anime Pocket Monsters (airs on the TV Tokyo Network every Friday at 6:55pm, officially abbreviated "Anipoke"), which broadcast starting with a 1 hour special on April 14th, 2023.

The characters announced were Amethyo (voiced by Shun Horie) and his partner, the Paldean Pokémon Soublades, as well as Amethyo's fellow members of the organization "Explorers", Zir (voiced by Kohsuke Tanabe) and his partner Pokémon Sidon, and Conia (voiced by Arisa Shida) and her Partner Pokémon Golduck.

In the trailer, Amethyo is seen blocking Liko and Nyahoja's way... What could the Explorers' goal be? The costumed celebrity and online streamer "Gurumin" (voiced by Yoshino Aoyama) was shown as well.

A short clip with new information was revealed about the new series of the popular anime Pocket Monsters (airs on the TV Tokyo Network every Friday at 6:55pm, officially abbreviated "Anipoke"), which broadcast starting with a 1 hour special on April 14th, 2023.

In a newly released trailer, we can see Liko and Nyahoja's meeting and battle scenes, as well as our first look at how the mysterious pendant related to Liko shines. In addition, we learned the objective of Pokémon Professor Friede and Captain Pikachu's Rising Volt Tacklers, as well as the dream of Roy, the other protagonist holding a strange monster ball, and got to see Hogator in action for the first time.

We could also see the Duckling Pokémon Kuwassu standing next to the popular online streamer Gurumin, as well as a tense scene showing Amethyo's Explorers closing in on Liko's pendant.

The opening theme was also revealed for the first time: "Dokimeki Diary (asmi feat. Chinozo)" will be sung by asmi and produced by the unparalleled creator Chinozo, who's active in the online scene. This is a song that depicts Liko's adventurous spirit through pop music, made by a special unit created specifically for this show.

The original airing of this episode on TV Tokyo broadcast a trailer for upcoming episodes and announced that the Liko and Roy Set Off (リコとロイの旅立ち) arc would be reaching its climax and would transition to the Terapagos' Shine (テラパゴスのかがやき) arc.

Chapter 1 of the popular anime Pocket Monsters (airs on the TV Tokyo Network every Friday at 6:55pm, officially abbreviated "Anipoke"), "Liko and Roy Set Off", reached its climax. The new trailer depicting upcoming events was also released on YouTube.

The new trailer finally revealed the tale of the Ancient Adventurer Lucius' adventures, as well as the true identity of the mysterious Pokémon the pendant turned into. The story centered around this mysterious Pokémon starts taking some sudden twists and turns as the executives of the Explorers, the organization Amethio belongs to, begin taking personal action.

A trailer for the new chapter of the series, Terapagos' Shine (テラパゴスのかがやき), was broadcast on the original TV Tokyo airing. The official Japanese Anime PR Twitter account also posted the trailer right after the show aired on October 20th, 2023.

It was announced that Terastal Debut, the new chapter of the popular anime Pocket Monsters airs on the TV Tokyo Network every Friday at 6:55pm, officially abbreviated "Anipoke", would start airing April 12th, 2024. The main visual that was presented depicted the Orange Academy from the video game Pocket Monsters Scarlet, with Roy and Dot wearing Orange Academy uniforms.

The trailer was posted on YouTube but was slightly different as it did not include the Nyahoja part of the segment which told viewers to wait till after the commercial for a code.

During the ending theme, a serial code was revealed for Liko's Nyahoja which could be used in Pokémon Scarlet or Violet for the Nintendo Switch. The code was: L1K0W1TH906 and it could be used from March 15th, 2024 until September 30th, 2024 at 11:59 JST.

Details of the event Pokémon were also added to the official anime website right after the airing.

OT: リコ (Liko)
Level: 5
ID: 230414
Ability: Overgrow
Moves: Scratch, Leafage

A video featuring Hikaru Takahashi was released on March 22nd, 2024, announcing the new chapter "Terastal Debut" and also that she would be a Pokémon Anime Debut Ambassador. It aired on TV Tokyo for the original broadcast but was also posted to Twitter.

The latest news on the Pokémon anime! My name is Hikaru Takahashi, and I'm just now making my debut as Pokémon Anime Debut Ambassador! Have you guys heard? Look here! I'm talking about the fact that a new chapter of the Pokémon anime is starting April 12th, 2024! It's called "Terastal Debut"! Terastal is a mysterious phenomenon that makes Pokémon glitter! In order to master Terastallization, Liko and Roy are making their school debut! "Pocket Monsters: Terastal Debut" starts Friday April 12th! Why don't you make your Pokémon anime debut with Terastal Debut?

A trailer for the upcoming premiere of the new chapter "Terastal Debut" was broadcast on the original airing on TV Tokyo. It was also posted on YouTube as part of the press release.