Glass no Chikyuu o Sukue Unico Tokubetsu-hen(2000)

Glass no Chikyuu o Sukue Unico Tokubetsu-hen

This is the fourth original animated piece for the Tezuka Osamu Animation theatre that takes up Tezuka Osamu's message of "Saving our Fragile Earth" as its theme, and together with Unico's adventures commemorates the theatre's first anniversary.

(Source: tezukaosamu.net)