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In Lost Worlds: Tepui Mountains, the Go Jetters are in Venezuela and climb to the top of a tepui, an extraordinary rock formation. Ubercorn shares funky facts about tepuis, including how they are older than dinosaurs and home to unique plant life. This video is excerpted from BBC’s Go Jetters, a series that follows the adventures of four international heroes as they travel the globe visiting landmarks and solving environmental problems with Ubercorn, a disco-dancing unicorn.

In Earth's Epic Comebacks, geologist Iain Stewart explores how Earth's history of disasters has shaped life and sparked evolution. From dinosaurs thriving after a mass extinction to bacteria surviving an ice age, Earth has always found a balance between stability and chaos. Now, humans are changing the climate and marking a new era called the Anthropocene. The question is: can we protect the planet that makes life so incredible? This video is excerpted from BBC’s Earth: The Power of the Planet, a documentary series in which Dr. Iain Stewart discovers how Earth's forces can shape nature, species, and even the climate.