Waterboys

In a Japanese high school, a class of adolescent geeks joins the new synchronized swimming teacher and takes up the challenge to take part in the competition, in spite of the mockeries of the "real sportsmen".

Waterboys is a 2001 sport comedy movie directed by Shinobu Yaguchi, starring Kôen Kondô, Hiroshi Tamaki, Akifumi Miura. It holds an IMDb rating of 7.1/10 from 3,233 votes and runs 1h 31m.