| E32 - Shows and Tells [Archaeology].mp4 | 546.22 MB |
| E29 - Spins a Web [Spiders].mp4 | 540.89 MB |
| E35 - Works Out [Circulation].mp4 | 509.1 MB |
| E34 - Goes Upstream [Migration].mp4 | 496.93 MB |
| E27 - In a Beehive [Honeybees].mp4 | 481.66 MB |
| E13 - Kicks Up a Storm [Weather].mp4 | 460.13 MB |
| E33 - Makes a Rainbow [Color].mp4 | 458.76 MB |
| E38 - Rocks and Rolls [Water Erosion].mp4 | 456.93 MB |
| E18 - Butterfly and the Bog Beast [Butterflies].mp4 | 454.87 MB |
| E19 - Wet All Over [Water].mp4 | 448.21 MB |
| E12 - Gets Ants in Its Pants [Ants].mp4 | 442.08 MB |
| E25 - Cold Feet [Warm-, Cold-Blooded].mp4 | 433.11 MB |
| E11 - Goes to Seed [Seeds].mp4 | 421.11 MB |
| E37 - In the Rainforest [Rain Forest Ecology].mp4 | 410.1 MB |
| E20 - In a Pickle [Microbes].mp4 | 408.99 MB |
| E10 - Plays Ball [Forces].mp4 | 408.43 MB |
| E22 - Taking Flight [Flight].mp4 | 407.24 MB |
| E44 - Gets Swamped [Wetlands].mp4 | 405.05 MB |
| E24 - Out of this World [Space Rocks].mp4 | 402.3 MB |
| E16 - The Busasaurus [Dinosaurs].mp4 | 396.72 MB |
| E28 - In the Artic [Heat].mp4 | 395.85 MB |
| E21 - Revving Up [Engines].mp4 | 393.54 MB |
| E30 - Under Construction [Structures].mp4 | 388 MB |
| E39 - Holiday Special [Recycling].mp4 | 386.58 MB |
| E36 - Gets Planted [Photosynthesis].mp4 | 382.59 MB |
| E26 - Ups and Downs [Floating and Sinking].mp4 | 379.09 MB |
| E15 - Flexes Its Muscles {Body Mechanics].mp4 | 378.4 MB |
| E52 - Takes a Dive [Coral Reefs].mp4 | 374.16 MB |
| E45 - Goes Cellular [Cells].mp4 | 369.49 MB |
| E31 - Gets a Biright Idea [Light].mp4 | 369.22 MB |
| E23 - Getting Energized [Energy].mp4 | 362.87 MB |
| E03 - Inside Ralphie [Germs].mp4 | 356.36 MB |
| E02 - For Lunch [Digestion].mp4 | 355.13 MB |
| E14 - Blows Its Top [Volcanoes].mp4 | 351.08 MB |
| E49 - Gets Charged [Electricity].mp4 | 348.45 MB |
| E05 - Hops Home [Habitat].mp4 | 345.35 MB |
| E04 - Gets Eaten [The Food Chain].mp4 | 341.98 MB |
| E42 - Goes to Mussel Beach [Tidal Zones].mp4 | 340.7 MB |
| E48 - Makes a Stink [Smell].mp4 | 337.83 MB |
| E06 - Meets The Rot Squad [Decomposition].mp4 | 333.51 MB |
| E40 - Meets Molly Cule [Molecules].mp4 | 326.08 MB |
| E09 - Gets Ready, Set, Dough [Kitchen Chemistry].mp4 | 321.92 MB |
| E01 - Get Lost in Space [The Solar System].mp4 | 317.8 MB |
| E50 - Gets Programmed [Computers].mp4 | 312.96 MB |
| E46 - Sees Stars [Stars].mp4 | 299.24 MB |
| E17 - Going Batty [Bats].mp4 | 293.06 MB |
| E41 - Cracks a Yolk [Eggs].mp4 | 291.98 MB |
| E47 - Gains Weight [Gravity].mp4 | 291.15 MB |
| E43 - Goes on Air [Air Pressure].mp4 | 284.09 MB |
| E51 - In the City [Critters].mp4 | 270.52 MB |