Flight
Episode: 1x01 | Airdate: Sep 10, 1993
Episode: 1x01 | Airdate: Sep 10, 1993
Episode: 1x02 | Airdate: Sep 17, 1993
Earth's surface vs. its interior; guest Jenna von Oy.
Episode: 1x03 | Airdate: Sep 24, 1993
Episode: 1x04 | Airdate: Oct 1, 1993
Episode: 1x05 | Airdate: Oct 8, 1993
Episode: 1x06 | Airdate: Oct 15, 1993
Gravity, weight and planetary orbits.
Episode: 1x07 | Airdate: Oct 22, 1993
How our bodies process food.
Episode: 1x08 | Airdate: Oct 29, 1993
Episode: 1x09 | Airdate: Nov 5, 1993
Episode: 1x10 | Airdate: Nov 12, 1993
Episode: 1x11 | Airdate: Nov 19, 1993
Episode: 1x12 | Airdate: Nov 26, 1993
Episode: 1x13 | Airdate: Dec 3, 1993
Episode: 1x14 | Airdate: Dec 10, 1993
Episode: 1x15 | Airdate: Dec 17, 1993
Episode: 1x16 | Airdate: Dec 24, 1993
Episode: 1x17 | Airdate: Jan 21, 1994
Episode: 1x18 | Airdate: Jan 28, 1994
Episode: 1x19 | Airdate: Feb 4, 1994
Episode: 1x20 | Airdate: Feb 11, 1994
Episode: 2x01 | Airdate: Feb 18, 1994
Magnetic fields; how to make a compass; why opposites attract.
Episode: 2x02 | Airdate: Feb 25, 1994
Episode: 2x03 | Airdate: Mar 4, 1994
Episode: 2x04 | Airdate: Mar 11, 1994
Chemical compositions; explosions; fire; Candace Cameron.
Episode: 2x05 | Airdate: Mar 18, 1994
Episode: 2x06 | Airdate: Mar 25, 1994
Species interdependence; the importance of plants; Alfonso Ribeiro (``Fresh Prince of Bel-Air'').
Episode: 2x07 | Airdate: Sep 10, 1994
Light travels in straight lines; reflection; refraction; absorption.
Episode: 2x08 | Airdate: Sep 17, 1994
Episode: 2x09 | Airdate: Sep 24, 1994
Episode: 2x10 | Airdate: Oct 1, 1994
Episode: 2x11 | Airdate: Oct 8, 1994
Episode: 2x12 | Airdate: Oct 15, 1994
Episode: 2x13 | Airdate: Oct 22, 1994
The sun provides energy for life.
Episode: 2x14 | Airdate: Oct 29, 1994
Episode: 2x15 | Airdate: Nov 5, 1994
Episode: 2x16 | Airdate: Nov 12, 1994
Episode: 2x17 | Airdate: Nov 19, 1994
Episode: 2x18 | Airdate: Nov 26, 1994
Episode: 2x19 | Airdate: Dec 3, 1994
Atmosphere warms and humidifies the Earth.
Episode: 2x20 | Airdate: Jan 7, 1995
Respiration; making a model lung; cigarette smoke; exercise.
Episode: 3x01 | Airdate: Jan 14, 1995
Episode: 3x02 | Airdate: Jan 21, 1995
Episode: 3x03 | Airdate: Jan 28, 1995
Episode: 3x04 | Airdate: Feb 3, 1995
Episode: 3x05 | Airdate: Feb 10, 1995
Episode: 3x06 | Airdate: Feb 17, 1995
Episode: 3x07 | Airdate: Mar 24, 1995
Episode: 3x08 | Airdate: Mar 31, 1995
Episode: 3x09 | Airdate: Apr 7, 1995
Episode: 3x10 | Airdate: Apr 14, 1995
Episode: 3x11 | Airdate: Apr 21, 1995
Episode: 3x12 | Airdate: Apr 28, 1995
Episode: 3x13 | Airdate: Sep 8, 1995
Episode: 3x14 | Airdate: Sep 15, 1995
Episode: 3x15 | Airdate: Sep 22, 1995
Episode: 3x16 | Airdate: Sep 29, 1995
Episode: 3x17 | Airdate: Oct 6, 1995
Episode: 3x18 | Airdate: Oct 13, 1995
Episode: 3x19 | Airdate: Oct 20, 1995
Episode: 3x20 | Airdate: Oct 27, 1995
How animals move.
Episode: 4x01 | Airdate: Nov 3, 1995
Episode: 4x02 | Airdate: Nov 10, 1995
Episode: 4x03 | Airdate: Nov 17, 1995
Episode: 4x04 | Airdate: Nov 24, 1995
Bill Nye explains what makes the Earth's crust move and visits the scientists who study earthquake activity.
Episode: 4x05 | Airdate: Dec 1, 1995
Episode: 4x06 | Airdate: Jan 5, 1996
Episode: 4x07 | Airdate: Jan 12, 1996
People need to find ways to clean up the Earth for future generations.
Episode: 4x08 | Airdate: Jan 19, 1996
A lesson on the laws of probability shows how to predict events
Episode: 4x09 | Airdate: Jan 26, 1996
Episode: 4x10 | Airdate: Jan 27, 1996
Actress Drew Barrymore helps show how flowers are pollinated and reproduce.
Episode: 4x11 | Airdate: Jan 28, 1996
Episode: 4x12 | Airdate: Jan 29, 1996
A trip to Arizona's Sonoran desert, a unique ecosystem.
Episode: 4x13 | Airdate: Jan 30, 1996
Episode: 4x14 | Airdate: Jan 31, 1996
Episode: 4x15 | Airdate: Feb 7, 1996
Episode: 4x16 | Airdate: Feb 14, 1996
The circulatory mechanism's most magnificent muscle. With Seattle Mariner Edgar Martinez.
Episode: 4x17 | Airdate: Feb 21, 1996
The process of inventing and how some inventions are ``accidents.'' Actor Samuel L. Jackson appears.
Episode: 4x18 | Airdate: Apr 25, 1996
Episode: 4x19 | Airdate: Sep 5, 1997
Episode: 4x20 | Airdate: Sep 12, 1997
Episode: 5x01 | Airdate: Sep 19, 1997
Episode: 5x02 | Airdate: Sep 26, 1997
Episode: 5x03 | Airdate: Oct 17, 1997
Chromosomes and DNA; a zoo veterinarian who uses gene technology to save endangered animals.
Episode: 5x04 | Airdate: Oct 24, 1997
Episode: 5x05 | Airdate: Oct 31, 1997
Episode: 5x06 | Airdate: Nov 14, 1997
Episode: 5x07 | Airdate: Nov 21, 1997
Scientific experiments at home.
Episode: 5x08 | Airdate: Nov 28, 1997
Episode: 5x09 | Airdate: Dec 5, 1997
Episode: 5x10 | Airdate: Feb 21, 1998
Lakes and ponds are self-contained habitats.
Episode: 5x11 | Airdate: Feb 28, 1998
Episode: 5x12 | Airdate: Apr 25, 1998
Episode: 5x13 | Airdate: May 2, 1998
Episode: 5x14 | Airdate: May 9, 1998
Episode: 5x15 | Airdate: May 16, 1998
Episode: 5x16 | Airdate: May 23, 1998
Heading into the middle of severe storms, from the eye of a hurricane to the heart of a blizzard.
Episode: 5x17 | Airdate: May 30, 1998
Episode: 5x18 | Airdate: Jun 6, 1998
Episode: 5x19 | Airdate: Jun 13, 1998
Episode: 5x20 | Airdate: Jun 20, 1998
An object at rest or in motion will remain that way without outside interference.