Fireflies: River of Light was released on June 5, 2004.

Fireflies: River of Light was directed by Hiroshi Sugawara.

Fireflies: River of Light has a runtime of 1h 41m.

Fireflies: River of Light was produced by Naoki Yamazaki, Kiyoko Sakuma.

A young teacher comes up with the idea of the elementary school students in his charge taking care of fireflies and their habitat. While as in any classroom there are different characters with distinctive personalities they ultimately come together as they care for the environment and the creatures in it. The teacher and students are up against the established way of doing things however.

The key characters in Fireflies: River of Light are Hajime Miwa (Yukiyoshi Ozawa), Hikari Hoshi (Risako Sugaya), Mr. Takiguchi (Koji Yakusho).

Fireflies: River of Light is a Drama, Family film.

Fireflies: River of Light has an audience rating of 6.6 out of 10.