Now, this show... boy is it insane. (Spoliers)
Crakchead Graham Hancock tries to convince you that there was a globe-encompassing civilization at the end of the last ice age. This has been proven wrong dozens of times.
Gunung Padang sits on an extinct volcano, so maybe those 'chambers' are whats left of the magma chamber, or they're just really big lava tubes.
The Bimini wall is made of Beachrock, which is the most common type of rock in the Bahamas. It's not a road, it's not a wall, and it isn't atlantis.
He doesnt even acknowledge that Atlantis is a myth. Plato said that the city of Atlantis disrespected Poseidon and therefore suffered the consequences. It's meant to be a warning not to disrespect the gods, not a 'based on a true stroy' myth.
Overall, don't watch it. It's crazy. 1 Star.