BanG Dream! Girls Band Party! 5th Anniversary Animation -CiRCLE THANKS PARTY!- is a special anime that premiered in winter 2022, produced by SANZIGEN.

About the production: the story comes from a other, there are 2 episodes of about 24 minutes and its current status is "finished".

Its main genres are music and slice of life, with themes such as Band, Female Protagonist, Primarily Female Cast and Primarily Teen Cast.

On AniList, BanG Dream! Girls Band Party! 5th Anniversary Animation -CiRCLE THANKS PARTY!- has an average score of 75%, a very good score, and appears on 3,160 users' lists.

To celebrate the fifth anniversary of Bushiroad's mobile rhythm game BanG Dream! Girls Band Party!, a two-episode special anime will be aired and streamed simultaneously. The story of the special anime centers on "CiRCLE THANKS PARTY!", an event to thank the fans who have supported the bands since the days of the live house CiRCLE. The 35 girls scramble to prepare for the event, which will include food stands and live performances. And then, Kasumi and the others decide to perform a new song together at the live... (Source: Crunchyroll, edited)

Official synopsis from AniList.