Season 15

1.Top Gun and Beyond

2.How to Create a Junk Food

3.Buried in Ice

4.Why Planes Burn

5.Battles in the War on Cancer: A Wonder Drug on Trial

6.Battles in the War on Cancer: Turning the Tide

7.The Mystery of the Master Builders

8.Whale Rescue

9.The Man Who Loved Numbers

10.Race for the Superconductor

11.Can You Still Get Polio?

12.Pioneers of Surgery: The Brutal Craft

13.Pioneers of Surgery: Into the Heart

14.Pioneers of Surgery: New Organs for Old

15.Pioneers of Surgery: Beyond the Knife

16.Can the Vatican Save the Sistine Chapel?

17.Can the Next President Win the Space Race?

18.Do Scientists Cheat?

19.Who Shot President Kennedy?

20.The Light Stuff

21.The All-American Bear

22.Can We Make a Better Doctor?