Season 48
Episodes
1 Secrets in Our DNA Jan 14, 2021 
2 Beyond the Elements: Reactions Feb 3, 2021 
3 Beyond the Elements: Indestructible Feb 10, 2021 
4 Beyond the Elements: Life Feb 17, 2021 
5 Looking for Life on Mars Feb 24, 2021 
6 Picture a Scientist/ Search Engine Breakdown Apr 14, 2021 
7 Reef Rescue Apr 21, 2021 
8 Fighting for Fertility May 12, 2021 
9 Hindenburg: The New Evidence May 19, 2021 
10 Great Electric Airplane Race May 26, 2021 
11 Ship That Changed the World Jun 2, 2021 
12 Bat Superpowers Sep 15, 2021 
13 The Cannabis Question Sep 29, 2021 
14 Particles Unknown Oct 6, 2021 
15 Arctic Drift Oct 13, 2021 
16 Edible Insects Oct 20, 2021 
17 NOVA Universe Revealed: Age of Stars Oct 27, 2021 
18 NOVA Universe Revealed: Milky Way Nov 3, 2021 
19 NOVA Universe Revealed: Alien Worlds Nov 10, 2021 
20 NOVA Universe Revealed: Black Holes Nov 17, 2021 
21 NOVA Universe Revealed: Big Bang Nov 24, 2021 
22 High-Risk High-Rise Jan 5, 2022 
23 Butterfly Blueprints Jan 12, 2022 
24 Alaskan Dinosaurs Jan 19, 2022 
25 Ancient Maya Metropolis Jan 26, 2022