Before you start searching, it is important to clarify which version you are looking for, as there are two distinct productions:
The query refers to the 2012 sequel series Les Nouvelles Mystérieuses Cités d'Or (commonly called Season 2 by fans), not the 1982 original. Legal streaming availability is highly region-dependent. While the series is widely available in France and Japan, access in other regions (US, UK, Canada, etc.) remains fragmented or requires VPN usage. les mystérieuses cités d'or saison 2 streaming
The revival of Les Mystérieuses Cités d'Or in 2012, starting with Season 2, represents a significant moment in animation history. Produced by Blue Spirit Productions , this season serves as both a direct continuation of the 1982 cult classic and a modern reimagining for a new era. Before you start searching, it is important to