22x01: The Great Wildlife Heist
21x21: Aircraft Carrier!
21x20: Can China Kick the Habit?
21x16: Can Chimps Talk?
21x15: Journey to Kilimanjaro
21x14: Daredevils of the Sky
21x13: Dinosaurs of the Gobi
21x12: Codebreakers
21x11: Stranger in the Mirror
21x10: The Best Mind Since Einstein
21x09: Great Moments from NOVA
21x07: Roller Coaster!
21x06: The Real Jurassic Park
21x05: Shadow of the Condor
21x04: Dying to Breathe
21x03: Secrets of the Psychics
21x02: Wanted: Butch and Sundance
21x01: The NOVA Quiz
20x20: The Lost Tribe