![](https://image.tmdb.org/t/p/original/uJPKtT4nKdFQAfYjl7ylwyARJRr.jpg)
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The World Underneath Our Feet
Damien and Francois embark on a speleology expedition to discover the hidden secrets directly under our feet in the secret underground world of caves.
![](https://image.tmdb.org/t/p/w300/iuiDMVFyWI4hVvaYPizCuvM4Fbq.jpg)
Other episodes for this season
![The World Underneath Our Feet](https://image.tmdb.org/t/p/w300/uJPKtT4nKdFQAfYjl7ylwyARJRr.jpg)
![The Grass Kingdom](https://image.tmdb.org/t/p/w300/p5ee0sOFruEd8jbGLM37XOCvCzk.jpg)
![Glaciers Whisper](https://image.tmdb.org/t/p/w300/pfrAjw6v5tmkRMIPS5IRRQjYhBG.jpg)
Damien and Francois embark on a speleology expedition to discover the hidden secrets directly under our feet in the secret underground world of caves.