21x01: The NOVA Quiz
20x20: The Lost Tribe
20x19: Murder, Rape and DNA
20x18: Diving for Pirate Gold
20x15: Nazis and the Russian Bomb
20x14: The Deadly Deception
20x13: Can Bombing Win a War?
20x11: Sex and the Single Rhino
20x09: Brain Transplant
20x08: Private Lives of Dolphins
20x06: This Old Pyramid
20x03: Mind of a Serial Killer
20x02: The Genius Behind the Bomb
20x01: Animal Olympians II
22x18: Mystery of the Senses: Taste