Riddle of the Olmecs

S4, E4: Riddle of the Olmecs

Available on iTunes, Science Channel, Prime Video, discovery+, Hulu
S4 E4: Deep in the jungles of Mexico, gigantic stone heads carve a hidden path to a Mesoamerican mystery; an intrepid expert follows the trail left by long-ago explorers to turn up new clues and reveal the secrets a lost ancient civilization.