Underground Worlds U&Yesterday Running 2 Seasons · 20 Episodes · Premiered September 25, 2019 For centuries, people have built mind-blowing structures underground. This series reveals incredible feats of human endeavour and reveals what people have built, how they built it and why. Where to Watch: U&Yesterday Official Site Next Air Time: No upcoming air date Seasons & Episodes Season 1 10 episodes 2019 Season 2 10 episodes 2022 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 U&Yesterday Secret Nazi Ruins ★ 7.3 Train Truckers World's Greatest Palaces User Reviews Rate this show Your star rating (required) ★ ★ ★ ★ ★ Submit Review
