The official Japanese Pokémon Twitter account announced that episode 9 of the YouTube series
After School Pokémon Research Club (放課後ポケモン研究部) is available to watch. The
nineth episode broadcast on the official Japanese Pokémon YouTube channel on June 8th, 2023 and was region locked to Japan.
At the end of the episode, a serial code for Pokémon Scarlet and Violet was announced to give viewers
TM028 Bulldoze and TM086 Rock Slide. Players could obtain this item from June 8th, 2023 until June 30th, 2023 at 23:59 JST. The code is:
PLAYD0UBLE
Source:
https://twitter.com/Pokemon_cojp/status/1666761997076111360