1: The Nature of Things Carpe Diem: A Fishy Tale

2: The Nature of Things Ticked Off: The Mystery of Lyme Disease

3: The Nature of Things Myth or Science 2: The Quest for Perfection

4: The Nature of Things Brain Magic: The Power of Placebo

5: The Nature of Things Invasion of the Brain Snatchers

6: The Nature of Things Untangling Alzheimer's

7: The Nature of Things A Dog's Life

8: The Nature of Things Survival of the Fabulous

9: The Nature of Things Where Am I?

10: The Nature of Things The Great Butterfly Hunt

11: The Nature of Things How to Be a Wild Elephant

12: The Nature of Things Secrets in the Bones - The Hunt for the Black Death Killer

13: The Nature of Things Trek of the Titans

14: The Nature of Things The Allergy Fix

15: The Nature of Things Wild Canada: The Eternal Frontier

16: The Nature of Things Wild Canada: The Wild West

17: The Nature of Things Wild Canada: The Heartland

18: The Nature of Things Wild Canada: Ice Edge

19: The Nature of Things Making Wild Canada