Kathy learns that there is more color in a green leaf than meets the eye. At the Exploratorium, Robin discovers what drives a magnificent light sculpture (the sun and many mirrors). Paco and Mary create their own light sculpture in the studio demonstration. The Bloodhound Gang tries to piece together ""The Case of the Missing Memory"" with a cassette tape that includes a snowy tree cricket chirping. (Concludes in next episode.)
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Ready to Watch 3 2 1 Contact, Season 4, Episode 7?