S4.E1 ∙ Solar StormMon, Feb 19, 2024A solar storm throws off some whales' senses of direction, as well as the Octonauts.Rate
S4.E2 ∙ FrigatebirdFri, Feb 2, 2024Tracker and Kwazii help some fish whose food keeps getting stolen by a frigatebird.Rate
S4.E3 ∙ Madagascar TsingyFri, Feb 2, 2024When Selva encounters an injured creature, Peso journeys to provide medical aid.Rate
S4.E4 ∙ Permafrost ProblemFri, Feb 2, 2024The Octonauts help when they discover melting permafrost endangering an ecosystem.Rate
S4.E5 ∙ MudslideFri, Feb 2, 2024When a rainstorm surges, the Octonauts contend with an oncoming mudslide.Rate
S4.E6 ∙ HoneybeesFri, Feb 2, 2024The Octonauts help a colony of honeybees that are trapped in a sinking tree.Rate
S4.E7 ∙ Boiling RiverFri, Feb 2, 2024While in search of a boiling river, Kwazii and Paani meet some tamarin monkeys.Rate
S4.E8 ∙ Kalahari CopycatFri, Feb 2, 2024When a fire threatens a meerkat burrow, the Octonauts must put it out.Rate
S4.E9 ∙ Ringed SealsMon, Feb 19, 2024Arctic ringed seals are threatened when warming temperatures diminish their snow caves.Rate
S4.E10 ∙ Alpine SwiftMon, Feb 19, 2024The Octonauts assist an alpine swift to catch up with its flock.Rate