13x07: Skydive to the Rain Forest
13x08: Return of the Osprey
13x09: The Rise of a Wonder Drug
13x10: When Wonder Drugs Don't Work
13x11: Visions of Star Wars
13x14: High-Tech Babies
13x15: Can AIDS Be Stopped?
13x16: Is Anybody Out There?
13x18: Are You Swimming in a Sewer?
13x19: Sail Wars!
13x20: Leprosy Can Be Cured!
13x21: How Babies Get Made
14x02: Children of Eve
14x03: Why Planes Crash
14x05: Freud Under Analysis
14x06: The Hole in the Sky
14x07: Confessions of a Weaponeer
14x08: Great Moments from NOVA