S12E01 - Hang Gliding; Karate; Robin Leach; Elephant

S12E02 - Sled Dogs; Arctic Travel; Life in Camp; Arctic Weather

S12E03 - Aircraft Carrier; Brain; Carrier Life

S12E04 - Brain Mapping; Garlic; Sunscreens; Tasmanian Devil

S12E05 - Movie Dinosaurs; Bread Chemistry; Scott Hamilton; Wallaby

S12E06 - Movie Sound Effects; Sun; Globetrotters; Hedgehog

S12E07 - Dinosaur Extinction; Floods; Blue Seas; Siberian Tiger

S12E08 - Internet; Antibiotics; Panning for Gold; Taxidermy

S12E09 - Ethnobotany; Hubble Telescope; Inventors Fair; Komodo Dragons

S12E10 - Raptor Hospital; Photography; Skipping Stones; Snakes

S12E11 - Redwoods; Electricity; Monuments; Red Fox

S12E12 - Printing Money; Gravity; Nature Labs

S12E13 - Bridges; Earthquakes; Chroma-Key; Grizzly Bear