- 5 - 20MotionJun. 20, 1998
- 5 - 19Science of MusicJun. 13, 1998
- 5 - 18PatternsJun. 06, 1998
- 5 - 17MeasurementMay. 30, 1998
- 5 - 16StormsMay. 23, 1998
- 5 - 15Comets and MeteorsMay. 16, 1998
- 5 - 14ErosionMay. 09, 1998
- 5 - 13FluidsMay. 02, 1998
- 5 - 12CavesApr. 25, 1998
- 5 - 11SmellFeb. 28, 1998
- 5 - 10Lakes & PondsFeb. 21, 1998
- 5 - 9Ocean ExplorationDec. 05, 1997
- 5 - 8Atoms and MoleculesNov. 28, 1997
- 5 - 7Do-It-Yourself ScienceNov. 21, 1997
- 5 - 6Life CycleNov. 14, 1997
- 5 - 5FarmingOct. 31, 1997
- 5 - 4ArchitectureOct. 24, 1997
- 5 - 3GenesOct. 17, 1997
- 5 - 2Space ExplorationSep. 26, 1997
- 5 - 1ForensicsSep. 19, 1997