full-episodes (8)

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  Iceland

  S1 : E1 | TV-PG | 43 min | Aired: 07.18.23

  The Land of Fire and Ice harnesses the Earth’s power into clean, renewable energy for the entire country - and local industries prove that a society without waste is within grasp.

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  France

  S1 : E2 | TV-PG | 40 min | Aired: 07.25.23

  The City of Lights sparkles even brighter as Zac and Darin take in Earth’s most important resource: water.

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  Costa Rica

  S1 : E3 | TV-14 | 36 min | Aired: 08.02.23

  Zac and Darin learn about these unique communities dedicated to a world of self-sufficient food and energy with a positive footprint on the planet.

• 

  Sardinia

  S1 : E4 | TV-PG | 38 min | Aired: 08.09.23

  This small Italian island has a history of more people living into their hundreds than most other spots in the world. Is the secret to longevity their food, wine, family or faith – or is it a mix of all?

• 

  Lima

  S1 : E5 | TV-14 | 44 min | Aired: 08.16.23

  Zac and Darin head to Peru to delve into potato cryopreservation, biopiracy and the sport of sandboarding.

• 

  Puerto Rico

  S1 : E6 | TV-14 | 43 min | Aired: 08.16.23

  In the wake of Hurricane Maria, Zac explores sustainability in Puerto Rico where he meets chef José Andrés, milks a goat and eats ceviche.

• 

  London

  S1 : E7 | TV-14 | 38 min | Aired: 08.16.23

  Stream Down to Earth With Zac Efron free on The CW!

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  Iquitos

  S1 : E8 | TV-14 | 43 min | Aired: 08.16.23

  In the Amazon rainforest, Zac boosts his immune system, climbs a tree, explores ayahuasca tourism, and watches his dinner wriggle on a plate.