Cheyenne the Nation of Water: Part One
The 999 was forced to land with water-borne inhabitants. Maetel and Tetsuro were escorted to meet with Waterpress, the ruler of the City. They were ambushed by a group of native Cheyenne Fish led by Geronimo, but escaped unharmed. Waterpress held Maetel and Tetsuro hostage, wanting to use the 999 to escape the planet with his people, since they have exhausted all of the planet's natural resources. Geronimo went on his own way after, an argument with his brother Navarro, leader of the Cheyenne, who preferred to live in peace with Waterpress. Waterpress was confronted by Geronimo, but he managed to trick and kill him. The 999 departed. Navarro and Suzie found Gernonimo's body.
Aired 15/05/1980EP 75 - Cheyenne the Nation of Water: Part One

Galaxy Express 999
After witnessing the death of his mother and being left for dead at the hands of Count Mecha, ten-year old Tetsuro Hoshino is awakened by a mysterious woman, Maetal. In exchange for only his company, Maetal offers him the ride of his life on the Galaxy Express 999. It is said that those who travel aboard the legendary train to the end of the line can receive a free mechanical body and with it, immortality.
Impoverished and alone, Tetsuro leaps at the opportunity and joins Maetal on a quest that will span the cosmos. As the Galaxy Express 999 makes its way across our solar system and beyond, Tetsuro is drawn deeper into a dangerous universe where peril lurks at every stop.
(Source: Discotek)