Untold Earth PBS Running Nature 2 Seasons · 21 Episodes · Premiered March 26, 2010 Untold Earth is a documentary series dedicated to unpacking the stories behind North America's strangest, most unique natural wonders. Where to Watch: PBS Official Site Next Air Time: No upcoming air date Seasons & Episodes Season 1 11 episodes 2023 Season 2 10 episodes 2025 Latest Releases Little House on the Prairie Netflix Jul 9, 2026 Tip Toe Channel 4 May 31, 2026 Maximum Pleasure Guaranteed Apple TV May 20, 2026 Falling Channel 4 May 19, 2026 Чудо-доктор СТС May 18, 2026 The Lead Tencent QQ May 10, 2026 Top Rated Shows Breaking Bad AMC ★ 9.2 Band of Brothers HBO ★ 9 Game of Thrones HBO ★ 8.9 The Wire HBO ★ 8.9 Firefly FOX ★ 8.9 Sherlock BBC One ★ 8.9 More on PBS The American Revolution ★ 7.2 Overview Weathered User Reviews Rate this show Your star rating (required) ★ ★ ★ ★ ★ Submit Review