Overview: Red and the boys drop into a hidden mine shaft while bungie jumping. Bill demonstrates how to keep food cool without a refrigerator or ice. Red makes a bicycle out of an old car. Harold tries to form "good gangs" that have drive-by science lessons. Featured Member: Bob Stuyvesant, the golfing civil servant. Featured Expert: Hap Shaughnessy, the exaggerator tells why some people stretch the truth.