Episode
Octonauts: The Urchin Invasion
Overview
The Octonauts head to the kelp forest to visit Shellington's sister, Pearl, and her newborn son Periwinkle - only to find the forest endangered by an infestation of kelp-eating urchins!
Details
- Series
- Octonauts
- Season
- Season 3
- Episode
- Episode 18
- Air date
- 2014-03-21
- Runtime
- 11 min
Episode context
The Urchin Invasion is Episode 18 in Season 3 of Octonauts. It aired on 2014-03-21. The runtime is 11 min.
Previous / Next
Episode 17: The Immortal Jellyfish
Shellington and the Octonauts try to track an unusual creature: a jellyfish that can transform from old to young repeatedly - and live forever!
Episode 19: The Hammerhead Sharks
The Octonauts meet some hammerheaded sharks, however, they can't sleep too well because Shellington and Professor Inkling have been arguing about who is smarter that they are no longer friends.
More episodes from this season
Episode 16: The Sea Sponge
A sea sponge that houses other sea creatures in its pores suffers from a mysterious illness and Peso must figure out the cause.
Episode 20: The Loggerhead Sea Turtle
After an undersea tremor separates the Gup-X and its crew, Barnacles seeks guidance from a mysterious sea turtle.
Episode 15: The Red Rock Crabs
When Shellington and the crew try to gather some skittish crabs who have drifted away from home, they get help from some old friends.
Episode 14: The Lion's Mane Jellyfish
A lion's mane jellyfish gets its long and stingy tentacles tangled in the bubble engine, unintentionally flooding the Octopod and causing havoc.
Episode 13: The Harbour Seal
When Peso's patient, a remora fish, mysteriously disappears, the Octonauts enlist a unique undersea detective - a harbour seal.
Episode 12: The Mudskippers
The Octonauts attempt to keep the peace amongst a trio of mudskippers whose home has been flooded.
Episode 11: The Sea Skaters
When Kwazii gets lost at sea aboard the tiny octo-ski, he meets a flotilla of even tinier sea skaters - the only insects who live on the ocean.
Episode 10: The Duck-Billed Platypus
While rescuing river creatures after a storm, the Octonauts find a strange egg and come under attack by stinging platypuses.
Episode 9: The Barracudas
Shellington and the Vegimals' mission to replant a mangrove forest is put in peril by a school of toothy barracudas.
Episode 8: The Yeti Crab
As Tweak tests the Gup-X deep down in the Midnight Zone, a yeti crab cuts a vital electrical wire in the ship and cuts off all power, endangering itself and the Octonauts.