50 - 1London Super Tunnel Feb. 01, 2023
50 - 2Star Chasers of Senegal Feb. 08, 2023
50 - 3Ancient Builders of the Amazon Feb. 15, 2023
50 - 4New Eye on the Universe Feb. 22, 2023
50 - 5Weathering the Future Apr. 12, 2023
50 - 6Chasing Carbon Zero Apr. 26, 2023
50 - 7Saving the Right Whale May. 03, 2023
50 - 8Hidden Volcano Abyss May. 10, 2023
50 - 9Your Brain: Perception Deception (1) May. 17, 2023
50 - 10Your Brain: Who's in Control? (2) May. 24, 2023
50 - 11Ancient Earth: Birth of the Sky Oct. 04, 2023
50 - 12Ancient Earth: Frozen Oct. 11, 2023
50 - 13Ancient Earth: Life Rising Oct. 18, 2023
50 - 14Ancient Earth: Inferno Oct. 25, 2023
50 - 15Ancient Earth: Humans Nov. 01, 2023
50 - 16Inside China's Tech Boom Nov. 08, 2023
50 - 17The Battle to Beat Malaria Nov. 15, 2023
50 - 18Lee and Liza's Family Tree Nov. 22, 2023