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