4 - 1Solar Storm Feb. 19, 2024
4 - 2Frigatebird Feb. 19, 2024
4 - 3Madagascar Tsingy Feb. 19, 2024
4 - 4Permafrost Problem Feb. 19, 2024
4 - 5Mudslide Feb. 19, 2024
4 - 6Honeybees Feb. 19, 2024
4 - 7Boiling River Feb. 19, 2024
4 - 8Kalahari Copycat Feb. 19, 2024
4 - 9Ringed Seals Feb. 19, 2024
4 - 10Alpine Swift Feb. 19, 2024
4 - 11Elephant Swim Lesson Feb. 19, 2024
4 - 12Hazardous Habitats Feb. 19, 2024
4 - 13Iguazu Falls Feb. 19, 2024
4 - 14Arctic Blizzard Feb. 19, 2024
4 - 15Gobi Desert Feb. 19, 2024
4 - 16Caddisfly Silk Feb. 19, 2024
4 - 17Mudflat Mission Feb. 19, 2024
4 - 18Lost Bottlenose Dolphins Feb. 19, 2024
4 - 19Desert Creatures Feb. 19, 2024
4 - 20Hawaiian Monk Seals Feb. 19, 2024
4 - 21Great Pacific Clean-up Feb. 19, 2024
4 - 22Volcano Sharks Feb. 19, 2024
4 - 23Billabong Mystery Feb. 19, 2024
4 - 24Spider Crab Surprise Feb. 19, 2024
4 - 25Mysterious Webs Feb. 19, 2024