S48 E1: Secrets in Our DNA

S48 E2: Beyond the Elements: Reactions

S48 E3: Beyond the Elements: Indestructible

S48 E4: Beyond the Elements: Life

S48 E5: Looking for Life on Mars

S48 E6: Picture a Scientist/ Search Engine Breakdown

S48 E7: Reef Rescue

S48 E8: Fighting for Fertility

S48 E9: Hindenburg: The New Evidence

S48 E10: Great Electric Airplane Race

S48 E11: Ship That Changed the World

S48 E12: Bat Superpowers

S48 E13: The Cannabis Question

S48 E14: Particles Unknown

S48 E15: Arctic Drift

S48 E16: Edible Insects

S48 E17: NOVA Universe Revealed: Age of Stars

S48 E18: NOVA Universe Revealed: Milky Way

S48 E19: NOVA Universe Revealed: Alien Worlds

S48 E20: NOVA Universe Revealed: Black Holes

S48 E21: NOVA Universe Revealed: Big Bang

S48 E22: High-Risk High-Rise

S48 E23: Butterfly Blueprints

S48 E24: Alaskan Dinosaurs

S48 E25: Ancient Maya Metropolis