Set in the 16th century, the series follows three children—, Zia , and Tao —as they search for seven legendary cities of gold built by the ancient Emperor of Hiva. While the original series focused on Central and South America, the 2012 revival (often referred to as Season 2 and beyond) expands the quest into:
A young Inca girl with deep knowledge of ancient symbols and a strong connection to her heritage. The Mysterious Cities of Gold(2012)
Introduced in the 2012 series, this ship resembles a nauplius and allows the heroes to explore underwater depths. Set in the 16th century, the series follows
A massive, indestructible solar-powered mechanical bird used for long-distance travel. Key Technology of the Mu Empire is a
Heroes uncover new technological marvels like the Thallios , an orichalcum ship that can sail underwater.
A skilled but morally ambiguous Spanish navigator who protects the children, though his primary interest was originally the gold. Key Technology of the Mu Empire
is a French-animated sequel series that continues the epic journey of Esteban, Zia, and Tao from the original 1982 classic. Picking up where the first adventure left off, the trio travels across Asia and the Middle East to uncover the remaining hidden cities of the Mu Empire. Core Story & Setting