1. The Water Bears / The Barracudas

The Octonauts go into a red-hot lava tube to rescue a water bear! Shellington an... More

2. The Cone Snails / The Artificial Reef

Only Peso can save the day when a cone snail invades the Octopod. An underwater ... More

3. The Humpback Whales / The Duck-billed Platypus

A humpback whale helps Kwazii track down the key to a treasure chest. Then, the ... More

4. The Mudskippers / The Immortal Jellyfish

The Octonauts attempt to keep the peace amongst a trio of mudskippers. Then, She... More

5. The Sea Skaters / The Siphonophore

Kwazii gets lost at sea and meets a flotilla of tiny sea skaters. Kwazii and Das... More

6. The Urchin Invasion / The Lion's Mane Jellyfish

The Octonauts visit Shellington's sister, Pearl, and her newborn son Periwinkle.... More

7. The Pelicans / The Hammerhead Sharks

The Octonauts and the birds work together to clean up a floating garbage patch. ... More

8. The Red Rock Crabs / The Sea Pigs

Shellington and the crew try to gather some skittish crabs. The Octonauts must s... More

9. The Sea Sponge / The Loggerhead Sea Turtle

A sea sponge suffers from a mysterious illness. An underwater tremor separates t... More

10. The Harbor Seal / The Yeti Crabs

The Octonauts enlist a unique undersea detective when Peso's patient mysteriousl... More

11. The Great Arctic Adventure

The Octonauts take a vacation, and Peso accompanies Barnacles to help his sister... More

12. The Mariana Trench Adventure

Tweak has designed a brand-new Deep Sea Station to study the deepest, darkest re... More

13. The Over Under Adventure

The Octonauts mission to explore Antarctica becomes a desperate rescue as a grou... More