The official Japanese Pokémon Twitter account announced that episode 4 of the YouTube series After School Pokémon Research Club (放課後ポケモン研究部)
is available to watch. The forth episode
broadcast on the official Japanese Pokémon YouTube channel on February 2nd, 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 TM171 - Tera Blast. Players could obtain this item from February 2nd, 2023 until March 31st, 2023 at 23:59 JST. The code is: LETSTERA