FRAGMENTS OF TIME THE NEW EXPLORERS searches for dinosaur fossils in a valley in the badlands of Argentina with famed dinosaur hunter, Dr. Paul Sereno of the University of Chicago. Host Bill Kurtis joins him in search of the remains of the world's oldest dinosaur. MYSTERY OF THE LINES (Title appears on tape, but this is NOT show title!) The giant figures and lines etched into the Peruvian desert are one of the great mysteries of our time. Created over 2000 years ago, they can be viewed only from the air. "New explorer" Maria Reich has studied them for 40 years. Host Bill Kurtis flies to Peru to talk with her and astonomer Phyllis Pitluga. THE NEW EXPLORERS learns about their theories - and their discovery that the constellation Orion perfectly matches a giant spider drawn in the desert.