- All about heat, Photosynthesis Productions, Inc. ; director & executive producer, David H. Gluck ; producer, Deborah C. Hoard
- Mechanical energy, produced and directed by PhotoSynthesis Productions
- All about the uses of energy, Photosynthesis Productions, Inc. ; director & executive producer, David H. Gluck ; producer, Deborah C. Hoard
- What is energy?, PhotoSynthesis Productions ; producer, Deborah C. Hoard ; director and executive producer, David H. Gluck
- Heat & chemical energy, produced and directed by PhotoSynthesis Productions
- Electromagnetic energy, produced and directed by PhotoSynthesis Productions
- All about the transfer of energy, Photosynthesis Productions, Inc. ; director & executive producer, David H. Gluck ; producer, Deborah C. Hoard
- All about the conservation of energy, Photosynthesis Productions, Inc. ; director & executive producer, David H. Glusk ; producer, Deborah C. Hoard
- Energy, potential & kinetic, produced and directed by PhotoSynthesis Productions