Gosenzo-sama Banbanzai!

Gosenzo-sama Banbanzai!
All episode VHS covers
御先祖様万々歳！
Genre	comedy, drama, psychological, science fiction
Original video animation
Directed by	Mamoru Oshii
Produced by	Hiroshi Umezaki
Written by	Mamoru Oshii
Music by	Kenji Kawai
Studio	Studio Pierrot
Released	August 5, 1989 – January 25, 1990
Runtime	30 minutes per episode
Episodes	6 (List of episodes)
Anime film
MAROKO
Directed by	Mamoru Oshii
Produced by	Hiroshi Umezaki
Written by	Mamoru Oshii
Music by	Kenji Kawai
Studio	Studio Pierrot
Released	March 31, 1990
Runtime	90 minutes

Gosenzo-sama Banbanzai! Original Soundtrack
Compilation album by Kenji Kawai
Released	August 21, 1993
Recorded	1989-1990
Genre	soundtrack
Length	48:56
Label	EMOTION
Producer	Kenji Kawai, Tesshō Genda, Kōichi Yamadera, Machiko Washio, Toshio Furukawa

Gosenzo-sama Banbanzai! (御先祖様万々歳！^?, lit. "Long Long Live the Ancestors!") is a 1989 Japanese comedy drama science fiction OVA directed by Mamoru Oshii and animated by Pierrot. A compilation film consisting of footage from the episodes entitled MAROKO (麿子^?, MAROKO), also directed by Oshii, was released in 1990.

The story revolves around the a small, normal family known as the Yomota family: A boy named Inumaru, his father Kinekuni and his mother Tamiko. One day, a beautiful girl with a yellow flower hat at their front door, calling herself "Maroko Yomota," granddaughter of Inumaru who travels back in time with a time machine to visit her ancestors. Despite Tamiko's strong refusal to acknowledge her as a Yomota, Kinekuni and Inumaru welcome her to stay with them, and the structure of a happy family has begun to collapse.

The episodes are told in the form of a play.

The Gosenzo-sama Banbanzai! Original Soundtrack (御先祖様万々歳！オリジナル・サウンドトラック^?, Gosenzo-sama Banbanzai! Orijinaru Saundotorakku, lit. "Long Long Live the Ancestors! Original Soundtrack") CD was released on August 21, 1993.