Newton's Apple was a PBS science show. Each episode included a few segments on various science related topics. In-studio demonstrations with guests, field reports, and spotlights on wildlife were used. Some common segments are: "On the Spot", "Newton's Lemons", and "Science Try-its". "Science of the Rich and Famous" was a segment that featured celebrities explaining scientific principles, usually related to their career.

While Newton's Apple is considered a childrens show, adults also enjoyed the show's approach to science.

Originally hosted by Ira Flatow, then David Heil. Peggy Knapp was often on the show as a field reporter.