- Season 18 Episode 18
First Air Date : Jan 01, 1970
Last Air Date : Jan 01, 1970
Runtime : min.
Genre :
Stars :
Quality : 
- Eps. 1 : Return to Mt. St. Helens1991-01-08
- Eps. 2 : ConFusion in a Jar1991-04-30
- Eps. 4 : Case of the Flying Dinosaur1991-02-12
- Eps. 5 : T. rex Exposed1991-02-19
- Eps. 9 : Swimming With Whales1991-03-05
- Eps. 10 : The Chip vs. the Chess Master1991-03-26
- Eps. 11 : Sex, Lies and Toupee Tape1991-10-01
- Eps. 12 : So You Want to Be a Doctor?1991-10-09
- Eps. 14 : Suicide Mission to Chernobyl1991-10-22
- Eps. 15 : Taller Than Everest?1991-11-05
- Eps. 16 : Fastest Planes in the Sky1991-11-12
- Eps. 17 : Avoiding the Surgeon's Knife1991-12-03
- Eps. 18 : Skyscraper! A NOVA Special1991-12-10
- Eps. 19 : The Fine Art of Faking It1991-12-17
