Also known as
- English
- Space Symphonic Poem Maetel: Galaxy Express 999 Side Story
- Romaji
- Uchuu Koukyoushi Maetel: Ginga Tetsudou 999 Gaiden
- Japanese
- 宇宙交響詩メーテル ～銀河鉄道999外伝～
- Synonyms
- Space Symphonic Poem Maetel ~Galaxy Express 999 Side Story~Space Symphonic Poem Maetel: Galaxy Express 999 Side StorySpace Symphony MaetelSpace Symphony Maetel - The Legend of Galaxy ExpressSpace Symphony Maetel Galaxy Express 999 Outside
