Sezon 20
Bölümler
1 The Hunt for Saddam's Secret Weapons 5 Oca 1993 
2 Can Bombing Win a War? 19 Oca 1993 3 The Deadly Deception 26 Oca 1993 4 Nazis and the Russian Bomb 2 Şub 1993 5 In the Path of a Killer Volcano 9 Şub 1993 6 Can Science Build a Champion Athlete? 16 Şub 1993 7 Diving for Pirate Gold 23 Şub 1993 8 Murder, Rape and DNA 2 Mar 1993 9 The Lost Tribe 30 Mar 1993 10 The NOVA Quiz 5 Eki 1993 11 Wanted: Butch and Sundance 12 Eki 1993 12 Secrets of the Psychics 19 Eki 1993 13 Dying to Breathe 26 Eki 1993 14 Shadow of the Condor 2 Kas 1993 15 The Real Jurassic Park 9 Kas 1993 
16 Roller Coaster! 16 Kas 1993 17 Mysterious Crash of Flight 201 30 Kas 1993 18 Great Moments from NOVA 7 Ara 1993 19 The Best Mind Since Einstein 21 Ara 1993 20 Stranger in the Mirror 28 Ara 1993