Zac Efron and his co-host Darin Olien explore the Outback in the second season of the uplifting, Emmy-winning travel series Down to Earth with Zac Efron, streaming Nov. 11. Venturing throughout Melbourne, Sydney and the continent's expansive countryside, Zac and Darin meet with climate change activists taking on sustainability initiatives to try to help save the planet. Along the way, the pair learn about the recovery efforts from the pre-pandemic Australian bushfires, visit some drool-worthy farm-to-table restaurants and embark on plenty of outdoor adventures.

Zac Efron

Neighbors and The Greatest Showman actor Zac Efron is passionate about climate change, sustainable living and healthy eating. When he gets stuck in Australia during the COVID lockdowns in 2020, he asks the Down to Earth with Zac Efron crew to join him for a bunch of Aussie adventures exploring initiatives that are reshaping the Earth’s future. In addition to his co-hosting duties, the High School Musical alum most recently starred in The Greatest Beer Run Ever and the Firestarter reboot.

You can follow Zac on Instagram and Twitter.

Darin Olien

Zac has described his friend Darin as a “guru of healthy living and superfoods.” A wellness expert and producer of Down to Earth with Zac Efron, Darin is the author of SuperLife: The 5 Simple Fixes That Will Make You Healthy, Fit and Eternally Awesome and the forthcoming Fatal Conveniences: The Harmful Habits and Toxic Products That Are Making You Sick — and the Simple Changes That Will Save Your Health.

You can follow Darin on Instagram and Twitter.