S2 E1: Why Do Birds Sing?

S2 E2: How Much Do You Smell?

S2 E3: The Hunting Of The Quark

S2 E4: The Secrets Of Sleep

S2 E5: Inside the Golden Gate

S2 E6: The Men Who Painted Caves

S2 E7: Red Sea Coral

S2 E8: War From the Air

S2 E9: What Time is Your Body?

S2 E10: The Rise And Fall Of DDT

S2 E11: Take the World From Another Point of View

S2 E12: The Lysenko Affair

S2 E13: The Tuaregs

S2 E14: The Plutonium Connection

S2 E15: The Other Way

S2 E16: The Lost World Of The Maya

S2 E17: Will The Fishing Have to Stop?