2005 - 1Global Dimming Jan. 13, 2005- 2005 - 2Einstein's Unfinished Symphony Jan. 20, 2005
- 2005 - 3Einstein's Equation of Life and Death Jan. 27, 2005
- 2005 - 4Living with ADHD Mar. 03, 2005
- 2005 - 5Neanderthal Feb. 10, 2005
- 2005 - 6An Experiment to Save the World Feb. 17, 2005
- 2005 - 7Who's Afraid of Designer Babies? Feb. 24, 2005
- 2005 - 8The Lost Civilisation of Peru Mar. 03, 2005
- 2005 - 9The Next Megaquake May. 22, 2005
- 2005 - 10Does the MMR Jab Cause Autism? May. 29, 2005
- 2005 - 11Malaria: Defeating the Curse Jun. 05, 2005
- 2005 - 12Tsunami: Naming the Dead Sep. 01, 2005
- 2005 - 13The Hawking Paradox Sep. 08, 2005
- 2005 - 14The Mystery of the Human Hobbit Sep. 15, 2005
- 2005 - 15The Doctor Who Makes People Walk Again? Oct. 06, 2005
- 2005 - 16Could Fish Make My Child Smart? Oct. 06, 2005
- 2005 - 17Madagascar - A Treetop Odyssey Oct. 13, 2005
- 2005 - 18Titan. A Place Like Home? Nov. 10, 2005
- 2005 - 19The 7/7 Bombers: A Psychological Investigation Dec. 08, 2005
- 2005 - 20The Ghost in Your Genes Dec. 15, 2005