| Season 1 |
| 10 September 1993 |
Season 1, Episode 1: Flight
|
| 17 September 1993 |
Season 1, Episode 2: Earth's Crust
|
| 24 September 1993 |
Season 1, Episode 3: Dinosaurs
|
| 01 October 1993 |
Season 1, Episode 4: Skin
|
| 08 October 1993 |
Season 1, Episode 5: Buoyancy
|
| 15 October 1993 |
Season 1, Episode 6: Gravity
|
| 22 October 1993 |
Season 1, Episode 7: Digestion
|
| 29 October 1993 |
Season 1, Episode 8: Phases of Matter
|
| 05 November 1993 |
Season 1, Episode 9: Biodiversity
|
| 12 November 1993 |
Season 1, Episode 10: Simple Machines
|
| 19 November 1993 |
Season 1, Episode 11: The Moon
|
| 26 November 1993 |
Season 1, Episode 12: Sound
|
| 03 December 1993 |
Season 1, Episode 13: Garbage
|
| 10 December 1993 |
Season 1, Episode 14: Structures
|
| 17 December 1993 |
Season 1, Episode 15: Earth's Seasons
|
| 24 December 1993 |
Season 1, Episode 16: Light and Color
|
| 21 January 1994 |
Season 1, Episode 17: Cells
|
| 28 January 1994 |
Season 1, Episode 18: Electricity
|
| 04 February 1994 |
Season 1, Episode 19: Outer Space
|
| 11 February 1994 |
Season 1, Episode 20: Eyeballs
|
| 1994 |
Season 1, Episode 21: Wind
|
| 1994 |
Season 1, Episode 22: Blood & Circulation
|
| 1994 |
Season 1, Episode 23: Chemical Reactions
|
| 1994 |
Season 1, Episode 24: Static Electricity
|
| 1994 |
Season 1, Episode 25: Food Web
|
| Season 2 |
| 18 February 1994 |
Season 2, Episode 1: Magnetism
|
| 25 February 1994 |
Season 2, Episode 2: Wind
|
| 04 March 1994 |
Season 2, Episode 3: Blood and Circulation
|
| 11 March 1994 |
Season 2, Episode 4: Chemical Reactions
|
| 18 March 1994 |
Season 2, Episode 5: Static Electricity
|
| 25 March 1994 |
Season 2, Episode 6: The Food Web
|
| 10 September 1994 |
Season 2, Episode 7: Light Optics, Bending, and Bouncing
|
| 17 September 1994 |
Season 2, Episode 8: Bones and Muscle
|
| 24 September 1994 |
Season 2, Episode 9: Ocean Currents
|
| 01 October 1994 |
Season 2, Episode 10: Heat
|
| 08 October 1994 |
Season 2, Episode 11: Insects
|
| 15 October 1994 |
Season 2, Episode 12: Balance
|
| 22 October 1994 |
Season 2, Episode 13: The Sun
|
| 29 October 1994 |
Season 2, Episode 14: The Brain
|
| 05 November 1994 |
Season 2, Episode 15: Forests
|
| 12 November 1994 |
Season 2, Episode 16: Communication
|
| 19 November 1994 |
Season 2, Episode 17: Momentum
|
| 26 November 1994 |
Season 2, Episode 18: Reptiles
|
| 03 December 1994 |
Season 2, Episode 19: Atmosphere
|
| 07 January 1995 |
Season 2, Episode 20: Respiration
|
| Season 3 |
| 14 January 1995 |
Season 3, Episode 1: Planets and Moons
|
| 21 January 1995 |
Season 3, Episode 2: Pressure
|
| 28 January 1995 |
Season 3, Episode 3: Plants
|
| 03 February 1995 |
Season 3, Episode 4: Rocks and Soil
|
| 10 February 1995 |
Season 3, Episode 5: Energy
|
| 17 February 1995 |
Season 3, Episode 6: Evolution
|
| 24 March 1995 |
Season 3, Episode 7: Water Cycle
|
| 31 March 1995 |
Season 3, Episode 8: Friction
|
| 07 April 1995 |
Season 3, Episode 9: Germs
|
| 14 April 1995 |
Season 3, Episode 10: Climates
|
| 21 April 1995 |
Season 3, Episode 11: Waves
|
| 28 April 1995 |
Season 3, Episode 12: Ocean Life
|
| 08 September 1995 |
Season 3, Episode 13: Mammals
|
| 15 September 1995 |
Season 3, Episode 14: Spinning Things
|
| 22 September 1995 |
Season 3, Episode 15: Fish
|
| 29 September 1995 |
Season 3, Episode 16: Human Transportation
|
| 06 October 1995 |
Season 3, Episode 17: Wetlands
|
| 13 October 1995 |
Season 3, Episode 18: Birds
|
| 20 October 1995 |
Season 3, Episode 19: Populations
|
| 27 October 1995 |
Season 3, Episode 20: Animal Locomotion
|
| Season 4 |
| 03 November 1995 |
Season 4, Episode 1: Rivers and Streams
|
| 10 November 1995 |
Season 4, Episode 2: Nutrition
|
| 17 November 1995 |
Season 4, Episode 3: Marine Mammals
|
| 24 November 1995 |
Season 4, Episode 4: Earthquakes
|
| 01 December 1995 |
Season 4, Episode 5: NTV Top 11 Video Countdown
|
| 05 January 1996 |
Season 4, Episode 6: Spiders
|
| 12 January 1996 |
Season 4, Episode 7: Pollution Solutions
|
| 19 January 1996 |
Season 4, Episode 8: Probability
|
| 26 January 1996 |
Season 4, Episode 9: Pseudoscience
|
| 02 February 1996 |
Season 4, Episode 10: Flowers
|
| 09 February 1996 |
Season 4, Episode 11: Archeology
|
| 16 February 1996 |
Season 4, Episode 12: Deserts
|
| 23 February 1996 |
Season 4, Episode 13: Amphibians
|
| 31 January 1997 |
Season 4, Episode 14: Volcanoes
|
| 07 February 1997 |
Season 4, Episode 15: Invertebrates
|
| 14 February 1997 |
Season 4, Episode 16: Heart
|
| 21 February 1997 |
Season 4, Episode 17: Inventing
|
| 25 April 1997 |
Season 4, Episode 18: Computers
|
| 05 September 1997 |
Season 4, Episode 19: Fossils
|
| 12 September 1997 |
Season 4, Episode 20: Time
|
| Season 5 |
| 19 September 1997 |
Season 5, Episode 1: Forensics
|
| 26 September 1997 |
Season 5, Episode 2: Space Exploration
|
| 17 October 1997 |
Season 5, Episode 3: Genes
|
| 24 October 1997 |
Season 5, Episode 4: Architecture
|
| 31 October 1997 |
Season 5, Episode 5: Farming
|
| 14 November 1997 |
Season 5, Episode 6: Life Cycle
|
| 21 November 1997 |
Season 5, Episode 7: Do-It-Yourself Science
|
| 28 November 1997 |
Season 5, Episode 8: Atoms and Molecules
|
| 05 December 1997 |
Season 5, Episode 9: Ocean Exploration
|
| 21 February 1998 |
Season 5, Episode 10: Lakes and Ponds
|
| 28 February 1998 |
Season 5, Episode 11: Smell
|
| 25 April 1998 |
Season 5, Episode 12: Caves
|
| 02 May 1998 |
Season 5, Episode 13: Fluids
|
| 09 May 1998 |
Season 5, Episode 14: Erosion
|
| 16 May 1998 |
Season 5, Episode 15: Comets and Meteors
|
| 23 May 1998 |
Season 5, Episode 16: Storms
|
| 30 May 1998 |
Season 5, Episode 17: Measurement
|
| 06 June 1998 |
Season 5, Episode 18: Patterns
|
| 13 June 1998 |
Season 5, Episode 19: Science of Music
|
| 20 June 1998 |
Season 5, Episode 20: Motion
|
