NOVA — Season 18

E01 Return to Mt. St. Helens 08 Jan 1991 E02 ConFusion in a Jar 30 Apr 1991 E03 The Hunt for China's Dinosaurs (1) 05 Feb 1991 E04 Case of the Flying Dinosaur 12 Feb 1991 E05 T. rex Exposed 19 Feb 1991 E06 The Russian Right Stuff: The Invisible Spaceman 26 Feb 1991 E07 The Russian Right Stuff: The Dark Side of the Moon 27 Feb 1991 E08 The Russian Right Stuff: The Mission 28 Feb 1991 E09 Swimming With Whales 05 Mar 1991 E10 The Chip vs. the Chess Master 26 Mar 1991 E11 Sex, Lies and Toupee Tape 01 Oct 1991 E12 So You Want to Be a Doctor? 09 Oct 1991 E13 Secrets of the Dead Sea Scrolls 15 Oct 1991 E14 Suicide Mission to Chernobyl 22 Oct 1991 E15 Taller Than Everest? 05 Nov 1991 E16 Fastest Planes in the Sky 12 Nov 1991 E17 Avoiding the Surgeon's Knife 03 Dec 1991 E18 Skyscraper! A NOVA Special 10 Dec 1991 E19 The Fine Art of Faking It 17 Dec 1991