Glass no Chikyuu o Sukue Unico Tokubetsu-hen

ガラスの地球を救え ユニコ特別編

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)