Description: Doug and Tony land in Mexico where Cortez is looking for the Golden Mask. Their archeology expert back at the Time Tunnel insists that they retrieve the Golden Mask that he has been searching for for twenty years or he will not help them. In 16th century Mexico, Doug and Tony get involved with the native Aztecs and Cortez's search for a golden mask. Back at the Time Tunnel their archaeological expert demands that they revived the very masked he has been trying to locate for twenty years.