The official Japanese Anime PR Twitter account posted a wallpaper on October 1st, 2023 by #もじゃクッキー @mojacookie.

Anipoke Wallpaper Calendar
Every month we bring you a wallpaper calendar by mojacookie!
The theme for October is "Liko and the others watching over Terapagos".
Terapagos is curious about all kinds of things!
Mibrim is keeping an eye on it... but Nyahoja might be a bit jealous.
(by #mojacookie @mojacookie)

アニポケ 壁紙カレンダー
毎月、もじゃクッキーさんによる壁紙カレンダーをお届け
10月はテラパゴス を見守るリコたち
テラパゴスは色んなものに興味津々！
ミブリム は見守っているけど…ニャオハ はちょっとやきもち焼いてるかも
（ by #もじゃクッキー @mojacookie ）

On October 13th, 2023, the official Japanese AniPoke Twitter account and the official Japanese Pokémon Twitter account reminded 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 October 13th, 2023 to October 20th, 2023. This episode was specifically labeled as a missed-program webcast (見逃し配信).

The episode was also available on the TV Tokyo YouTube channel and the Official Corocoro Channel and were labeled as limited-time delivery (期間限定配信). The TV Tokyo version included the series trailer at the end of the episode where as the Corocoro version had beginning and ending bumpers promoting Corocoro.

AniPoke Episode 24 Reunion at the Old Castle
What did you think?
Ishihengin hides the way to the old castle where Diana lives.
But, Amethio, Zir and Conia invade...!
A big clash is expected in the next episode!
Please be sure to watch the missed stream!
The missed stream will be available for 1 week from today!

アニポケ 第24話「古城での再会」
いかがでしたか？
イシヘンジン の扉で隠されていた
ダイアナの住む古城
しかし、最後にアメジオ、ジル、コニアが侵入してきて…！
次回、大激突の予感
見逃し配信をぜひ、ご覧ください！
公開期間は本日より1週間です

CoroCoro Comic's Official website posted an article about this episode just before the original airing on October 13th, 2023.


Anipoke is just around the corner! Liko's grandmother, Diana, makes an appearance! The truth about the mysterious Pokémon Terapagos is finally revealed!


Broadcasting every week from 6:55 pm! The anime "Pocket Monsters" will start airing soon! 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 information you won't find anywhere else!

Liko and her friends go to visit her grandmother, Diana, to find out the identity of the mysterious Pokémon that transformed from the pendant. Why was this mysterious Pokémon mimicking a jewel, and what is this Pokémon that has no data even in the zukan? Diana, who waits for them in the old castle, might have all the answers!


▲ Liko's pendant, which Diana said was a good luck charm, is a...... Pokemon!?


▲ Liko suddenly has a big group of Pokémon. It looks a little heavy!

Guided by Ikirinko, who suddenly appears in front of Liko and her friends, they reach a hidden old castle and are finally reunited with Diana. Diana tells them about the mysterious Pokémon Terapagos and the adventures of Lucius, an adventurer from...... back in ancient times!


▲ Liko, Roy, and Friede are on their way to the old castle where Diana is waiting for them.


▲ Diana's old castle is hidden by a secret entrance and cannot be reached without a guide!?


▲ At last, here she is! This is Liko's grandma, Diana!


▲ Diana says she lives in this big old castle. It is full of wild Pokémon inside!!


▲ What is a Terapagos which Diana talks about after seeing the Pokémon awakened from the pendant!?

Liko is finally trying to get to the truth, but... The Pokémon warn of approaching intruders! Amethio and the Explorers arrived at the old castle in pursuit of Liko and the others!! A fierce battle is about to take place... So continue today at 6:55 p.m. on Anipoke!

【アニポケまであとちょっと！】リコの祖母・ダイアナ登場！ ついに明かされる不思議なポケモン「テラパゴス」の真実!!
リコの祖母・ダイアナ登場！ついに明かされる不思議なポケモン「テラパゴス」の真実!!
毎週金曜よる6時55分から放送中！
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だ!!
ペンダントから姿を変えた不思議なポケモン、その正体を知るべく祖母・ダイアナのもとへと向かうリコたち。なぜこの不思議なポケモンは宝石に擬態していたのか、図鑑にもデータのないこのポケモンは一体!?　すべての答えは古城で待つダイアナが知っている!?
▲ダイアナからお守りだと聞いていたリコのペンダントは……なんとポケモンだった!?
▲いきなりポケモンが増えて大所帯になったリコ。ちょっと重そう!?
突如リコたちの前に現れたイキリンコの案内で、隠された古城へとたどり着いたリコたちはついにダイアナとの再会を果たす。ダイアナの口から語られる不思議なポケモン「テラパゴス」について、そして……いにしえの冒険者「ルシアス」の冒険譚とは!?
▲ダイアナが待つ古城へはリコとロイ、そしてフリードの3人で向かうことに。
▲ダイアナの古城は秘密の入り口で隠されていて、案内なしではたどり着けない!?
▲ついに登場！　これがリコのおばあちゃん、ダイアナだ!!
▲大きな古城で暮らしているというダイアナ。中には野生のポケモンもいっぱい!!
▲ペンダントから目覚めたポケモンを見たダイアナが語る「テラパゴス」とは!?
ついに真実にたどり着こうとするリコだったが……。そこに侵入者の接近を告げるポケモンたちが！　なんと古城にはリコたちを追ってエクスプローラーズのアメジオたちが迫っていた!!　激しいバトルの予感……ということで続きは今日よる6時55分からのアニポケで！

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 October 12th, 2023. The picture featured Captain Pikachu.

An original drawing of Captain Pikachu from episode 24.
Cap always protects Liko and its friends with its agile movements.
Now it's time for a little relaxation!

第24話よりキャプテンピカチュウ の原画をご紹介
いつも、俊敏な動きでリコたちを守ってくれるキャップ
ちょっとしたリラックスタイムですね

The original airing on TV Tokyo had a message above To Be Continued that said: After the commercials, the keyword will be presented! (CMあと、キーワードを発表！)