15:30OctonautsSeries 4Episode 8: Octonauts and the Tree LobstersCBeebies Sat 27th Feb 2016, 15:30 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