Name	First Aired	Runtime	Image	Certified
S08E01	Disney-Cartoons; Skateboards; Smothers/Yo-yos; Lemons; Turtles	October 13, 1990 PBS	30
S08E02	Juggling; Greenwich; Echoes; Flies	October 20, 1990 PBS	30
S08E03	Everglades; Tomorrow's World; Recycling Chat; Everglades Students	October 27, 1990 PBS	30
S08E04	Demolition Derby; Stress; Topology Chat; Eagles	November 3, 1990 PBS	30
S08E05	Kidney; Steve Allen/Music; Lemons; Swans	November 10, 1990 PBS	30
S08E06	Blood; Physics Circus; Faxes; Lemons; Pronghorn	November 17, 1990 PBS	30
S08E07	Helicopter; Isaac Newton; Lemons; Koala	November 24, 1990 PBS	30
S08E08	Dyes; Billiards; Cheerios; Lemons; Cheetah	December 1, 1990 PBS	30
S08E09	Desert Animals; Judo; Salt & Ice; Pigs	December 8, 1990 PBS	30
S08E10	Hydro Power; Whitewater Rafting; Mold; Lemons; Weather Proverbs	December 15, 1990 PBS	30
S08E11	Wildlife Census; Eggs; Inventors Fair; Stone Crabs	December 22, 1990 PBS	30
S08E12	Violins; Voyager; Rube Goldberg; Lemons; Kinkaju	December 29, 1990 PBS	30
S08E13	Glaciers; Termites; Lemons; Alligators	January 5, 1991 PBS	30