Season 1 Episodes
1. Part 1: The Skin Of The Earth
January 1st, 2015
We know less than 10% of the organisms that populate the underground world and that, each in their own way, take an active part in creating the soil. We are just beginning to discover that plants form partnerships and create complex unions. Welcome to this subtle, surprising and secret world.
2. Part 2: Hidden In The Depths
January 1st, 2015
Take a journey alongside scientists into an underground maze with huge surprises in store. They lead us into monumental cavities, shaped by water and by time. They reveal to us mineral jewels of staggering beauty, and shed light on certain species of fauna that defy the imagination.
Similar TV Shows
Movie and TV Reviews
Top Movies
Become a better you.
Share in the beauty of togetherness.
Join the family.
What happens behind these walls will change everything.
Danger runs deep.
Top Series
The devil's work is never done.
Read between the lies.
There's more to work than life.
Same luxury. New reservations.
Reacher's back.
