Tags: Anime, Cartoon.
Space Symphony Maetel: Galaxy Express 999 Side Story (宇宙交響詩メーテル ~銀河鉄道999外伝~ Supēsu Shinfonī Mēteru: Ginga Tetsudō Surī Nain Gaiden) is a 2004 anime series created by Leiji Matsumoto and is a side story to the Galaxy Express 999 series and the sequel to Maetel Legend.