On September 16th, 2022, the official Japanese Twitter account reminded people that this episode was available to watch on the official Japanese YouTube channel. The video was region locked to Japan only. It was available from September 16th, 2022 to September 26th, 2022. This episode was specifically labeled as a limited time broadcast (期間限定配信).

Pocket Monsters Anime Episode 125 'The Semifinals IV: Impact'
What did you think!?
Shirona tweeted about the serious battle, "I'm really enjoying this, Satoshi, Lucario!"
Don't miss the clash featuring the fighting spirits of the champions.
Anipoke Episode 125 will be available from today until Monday, September 26th, 2022!!
Be sure to watch it!

アニポケ 第125話「セミファイナルⅣ 『衝撃』」いかがでしたか⁉
「本当に楽しいわ、サトシくん、ルカリオ」とシロナもつぶやく本気バトル
チャンピオンの闘志のぶつかり合いを見逃し配信で
アニポケ第125話の公開期間は本日～9/26(月)まで!!
ぜひご覧ください

The official Japanese Anime PR Twitter account posted an After Story comic on September 18th, 2022 by #もじゃクッキー @mojacookie.

Anipoke Episode 125 After Story
Satoshi won his semifinals match in the Masters Tournament
"I want to battle Dande in the finals." With this thought in mind, he has climbed to the top, and now it's time to stand side by side in the decisive battle!
It seems that Dande has been waiting for this day for a long time!

アニポケ 第125話アフターストーリー
マスターズトーナメントセミファイナルで勝利したサトシ
「決勝で、ダンデさんとバトルしたい」その想いを胸に上り詰めました
次は決戦で並び立つとき!!
ダンデも、この日を待ちわびていたようです

Dande: Satoshi, let's battle each other with all our might!
ダンデ: サトシ、お互い全力でバトルだ!

CoroCoro Comic's Official website posted an article about this episode just before the original airing on September 16th, 2022. They also tweeted about the page on the official CoroCoro Comic Twitter account to promote it.

Anipoke is just around the corner! Shirona VS Satoshi will finally be settled! Who will advance to the final where Dande awaits...!?


The anime "Pocket Monsters" will start airing soon! It airs every Friday at 6:55 p.m. and it is very popular! In this article, we'll introduce you to the Pokémon and characters that will appear in today's episode, as well as comments from the voice actors and director, and other Anipoke information you won't find anywhere else! The Masters Tournament semifinals are finally at their climax!


The fierce battle continues in the second semifinal match! Satoshi has only one Pokémon left, Lucario! Against Shirona, who's trump card is the unexpectedly Togekiss (Dynamax form)! With her partner, Gablias, also waiting in the wings, the battle enters its final phase......!!



▲ Satoshi's Lucario has Mega Evolved. How will it face this desperate situation!?


▲ Satoshi was anticipating Mega Gablias but unexpectedly faces Dynamax Togekiss!


▲ Even though it's damaged from the battle with the Negigaknight, Shirona's Gablias still has some fight left! What will Satoshi do!?

Satoshi has shown his indomitable fighting spirit throughout his numerous adventures so far! As if in response to his passionate desire to battle Dande, Lucario's wave guiding power is awakened!!


▲ The bond between Satoshi and Lucario has increased the power of wave guidance to the extreme......


▲ The giant Aura Sphere that Satoshi showed in his training with Gekkouga is about to explode!?


▲ Shirona, who has made up her mind to retire from battling at the end of this tournament, will also finish this match with all her might!!


▲ Who will get the ticket to the finals? Check out today's broadcast to find out!

【アニポケまであとちょっと！】シロナvsサトシついに決着！ ダンデが待つファイナルへと進むのは…!?
シロナvsサトシついに決着！ダンデが待つファイナルへと進むのは……!?
毎週金曜よる6時55分から大好評放送中！アニメ「ポケットモンスター」まもなく放送スタート！
この記事はアニメ放送直前に、今日の放送回に登場するポケモンやキャラクターの紹介、声優さんや監督からのコメントなどなど、ほかでは聞けないアニポケ情報をお届けするコーナー！　マスターズトーナメント・セミファイナルもいよいよクライマックス!!
激闘が続くセミファイナル第2試合！　サトシのポケモンは最後の1体、ルカリオを残すのみ!!　対するシロナの切り札は、まさかのトゲキッス（ダイマックスのすがた）!!　相棒のガブリアスも控える中、バトルは最終局面へ……!!
▲サトシのルカリオもメガシンカ！　この絶体絶命のピンチにどう立ち向かう!?
▲メガガブリアスを警戒していたサトシには予想外のダイマックスしたトゲキッス！
▲ネギガナイトとのバトルで傷ついているとはいえ、シロナにはまだガブリアスも残されている!!　どうするサトシ!?
今までの冒険でも数々のピンチを潜り抜け、不屈の闘志を見せてきたサトシ！　ダンデとのバトルを目指す熱い想いに応えるように、ルカリオの波導の力が呼び起こされる!!
▲サトシとルカリオの絆によって波導の力が極限まで高まり……
▲サトシのゲッコウガとの特訓で見せたあの巨大なはどうだんが炸裂か!?
▲この大会を最後にバトルから退くことを胸にしたシロナもこの試合に全身全霊で挑んでくるぞ!!
▲ファイナルへの切符を手に入れるのはどちらか!?　気になる結末は今日の放送をチェックしよう!!

On September 28th, 2022, the official spoon.2Di magazine Twitter account reminded viewers that spoon.2Di issue 90 featured a look at the semifinal battle between Satoshi and Shirona. The issue went on sale on September 29th, 2022 for 1,227 yen.

The special feature about the TV anime Pocket Monsters is a look at the semifinal battle between Shirona and Satoshi in the Masters Tournament!
Please take a look back at the heated battle that took place over the course of three episodes just before the finals!

TVアニメ「ポケットモンスター」特集はマスターズトーナメント・セミファイナルシロナVSサトシのバトルの模様をお届け！
３話にわたって描かれた白熱の展開をぜひファイナル前に振り返ってください

The official Japanese Anime PR Twitter account posted a behind-the-scenes look at the making of this Anipoke episode with a production artwork piece on September 15th, 2022. The picture featured Satoshi's Lucario.

A glimpse behind the scenes of the Anipoke production
This time, it's an original drawing of Satoshi's Mega Evolved Lucario from episode 125.
Satoshi's trump card is Mega Evolution.
Will the power of wave guiding turn the tide!?

アニポケ制作の舞台裏をチラ見せ
今回は第125話の中からメガシンカしたルカリオ の原画をご紹介
サトシの切り札はメガシンカ
波導の力で逆転なるか⁉

At the end of the original airing of this episode on TV Tokyo, To Be Continued was replaced with the text: After the commercials, we'll announce the code! Get your memo pads ready! (CMの後はあいことばの発表！メモの準備を！). A serial code for Satoshi's Lucario for Pokémon Sword and Shield was revealed.