Flint: The Time Detective - Season 1 Episode 3 Eldora

The team heads back to 16th century South America in order to rescue the Time Shifter Eldora. Upon arriving, they are captured by Spanish Conquistadors and end up as prisoners where they try to extract the location of the Golden Condor from them. In help of the leader's only son named Lucas, they escape and aim to help a group of ancient Incas to return to their village and to prevent further attacks from the Conquistador who are revealed to be acting under Petra Fina's orders.