07:50OctonautsSeries 4Episode 8: Octonauts and the Tree LobstersCBeebies Thu 22nd Sep 2016, 07:50 on CBeebies HDAvailable for 6 monthsAnimated series. When a storm washes Peso onto a mysterious, rocky island, he meets a band of lobster-like insects thought to be extinct.GenresChildren'sFactualBrandOctonautsSeriesOctonauts: Series 4 Source: BBC Online