The Octonauts and the Tree Lobsters

The Octonauts and the Tree Lobsters is the 7th episode in the 4th series of Octonauts.

Plot synopsis
Peso gets washed up on a rocky island where he meets a band of insects thought to be extinct. Back at the Octopod, The other Octonauts believe it was just a dream, Until Peso suddenly discovers a baby tree lobster in his head! The Octonauts must bring the baby lobster back before he causes too much trouble aboard the Octopod.

Appearances

 * Old Howie and Howie Jr.
 * All Octonauts

Notes & trivia

 * This is the first episode to be about a creature thought to be extinct, the second being The Octonauts and the Coelacanth.