The Octonauts must repair a coral reef protecting a lagoon from surrounding sharks.
Solar Storm
Frigatebird
Madagascar Tsingy
Permafrost Problem
Mudslide
Honeybees
Boiling River
Kalahari Copycat
Ringed Seals
Alpine Twist
Elephant Swim Lesson
Hazardous Habitats
Iguazu Falls
Arctic Blizzard
Gobi Desert
Caddisfly Silk
Mudflat Mission
Lost Bottlenose Dolphins
Desert Creatures
Hawaiian Monk Seals
Great Pacific Clean-up
Volcano Sharks
Billabong Mystery
Spider Crab Surprise
Mysterious Webs
