Ginga Tetsudou Monogatari: Wasurerareta Toki no Wakusei
This is the OVA of The Galaxy Railways.
The Galaxy Express 999 crashes on the off-limits planet of Herise and it's up to the SDF Sirius Platoon to assist.
The Galaxy Railways: Planet of Forgotten Time, 銀河鉄道物語 ～忘れられた時の惑星～ The Galaxy Railways: A Letter from the Abandoned Planet
