16x13: The Last Journey of a Genius
16x12: Hot Enough for You?
16x11: Can We Make a Better Doctor?
16x10: The All-American Bear
16x09: The Light Stuff
16x08: Who Shot President Kennedy?
16x07: Do Scientists Cheat?
17x08: What Is Music
17x05: Decoding the Book of Life
17x04: Echoes of War
17x03: Design Wars!
17x02: The Controversial Dr. Koop
17x01: The Hidden City
15x21: Can You Still Get Polio?