In the distant future, the planets are now connected with a massive galactic railway system. The Galaxy Express 999 has crash landed on a mysterious planet. On board are The Conductor, Killian, Maetel, and Tetsuro, a ten year-old street urchin with a heart of gold. Now it’s up to the SDF Sirius Platoon to rescue them before the Herise Time Mystery—a rift in the deep axis of time and space—repeats.
You can now watch The Galaxy Railways: A Letter from the Abandoned Planet online on the following streaming providers in the United States.
| Writing | Leiji Matsumoto | Original Story |
| Production | Hiroshi Kon | Producer |
| Directing | Hideaki Ooba | Director |
| Writing | Nahoko Hasegawa | Series Composition |
| Visual Effects | Michinori Chiba | Character Designer |
| Visual Effects | Koji Watanabe | Mechanical Designer |
| Visual Effects | Satoshi Ishino | Mechanical Designer |
| Sound | Yoku Shioya | Music Supervisor |