EP1 - Rivers & Streams EP2 - Nutrition EP3 - Marine Mammals EP4 - Earthquakes EP5 - NTV Top 11 Video Countdown EP6 - Spiders EP7 - Pollution Solutions EP8 - Probability EP9 - Pseudoscience EP10 - Flowers EP11 - Archaeology EP12 - Deserts EP13 - Amphibians EP14 - Volcanoes EP15 - Invertebrates EP16 - Heart EP17 - Inventions EP18 - Computers EP19 - Fossils EP20 - Time