13x18: Are You Swimming in a Sewer?
13x16: Is Anybody Out There?
13x15: Can AIDS Be Stopped?
13x14: High-Tech Babies
13x11: Visions of Star Wars
13x10: When Wonder Drugs Don't Work
13x09: The Rise of a Wonder Drug
13x08: Return of the Osprey
13x07: Skydive to the Rain Forest
13x06: Toxic Trials
13x04: Life's First Feelings
13x03: Horsemen of China
13x02: Goddess of the Earth
12x19: Animal Architects
12x18: The Genetic Gamble