The Mysterious Cities of Gold - Season 1 - Eps 1: Esteban, Child of the Sun
Father Rodriguez, who has looked after Esteban since he was a baby, tells him a great secret on his deathbed: somewhere his father may still be alive. So Esteban decides to begin his search in the New World. With the help of Mendoza, a mysterious man who claims to have rescued him as a baby, Esteban hides as a stowaway, aboard the Esperanza. As they are about to set sail, he meets a young Inca girl: Zia.
About The Mysterious Cities of Gold

Title: The Mysterious Cities of Gold
First Air Date: 1982-06-29
Last Air Date: 2021-01-29
Status: Ended
Rating: 7.7/10 (from 72 votes)
Language: JA
Seasons: 5
Total Episodes: 117
Network: NHK G
Genres: Kids, Animation, Action & Adventure, Sci-Fi & Fantasy
Production Companies: Pierrot, DIC, NHK
Synopsis
The adventures of a young Spanish boy named Esteban who joins a voyage to the New World in search of the lost Cities of Gold and his father.
Cast

Rei Sakuma
Zia (voice)

Masako Nozawa
Esteban (voice)

Isao Sasaki
Mendoza (voice)

Junko Hori
Tao (voice)