Underground Square [地下広場]
- Release Year
- 1970
- Runtime
- 1h 24m
- Genres
- Documentary
- Directed By
- Keiya Ouchida

In February 1969 activists and students gather on the Underground Square between East and West exit of Shinjuku Station. They declare the place a greek 'agora', a place where people connect and debate about politics. When they collide with anti-protesters the police closes the gathering place down.