The Opening theme Mezase Pokemon Master -with my friends- (めざせポケモンマスター -with my friends-) will air as part of the Pocket Monsters: Aim to be a Pokémon Master (ポケットモンスター めざせポケモンマスター) mini-series that features 11 episodes and will air on TV Tokyo at 6:55 every Friday starting on January 13th, 2023.

Staff:

Executive Director: Kunihiko Yuyama (湯山邦彦)
Director: Daiki Tomiyasu (冨安大貴)
Series Construction: Atsuhiro Tomioka (冨岡淳広)
Character Design: Shuhei Yasuda (安田周平)
Sound Director: Masafumi Mima (三間雅文)
Music: Yuki Hayashi (林ゆうき)

Summary:

In April 1997, Satoshi and Pikachu set off from Masara Town into the world of "Pocket Monsters". And as Satoshi has been meeting and battling lots of companions, he's always aimed for one thing: To become the "Pokémon Master" of his dreams.

"Pocket Monsters: Mezase Pokémon Master", which premieres January 13th 2023, will depict Satoshi and Pikachu's adventure towards that distant dream across a planned total of 11 episodes. In addition to his former travelmates Kasumi and Takeshi, these episodes will also feature the Pokémon Satoshi formed strong bonds with and got in various regions, bringing even more excitement to this already thrilling and emotional adventure.

YouTube Clip - Pocket Monsters: Aim to be a Pokémon Master Trailer

Source: https://twitter.com/anipoke_PR/status/1603698448997310464
Source: https://www.tv-tokyo.co.jp/anime/pocketmonster/news/index.html#231990