Octonauts and the Operation Deep Freeze The Octonauts : Season 4 Episode 27

Captain Barnacles, Kwazii, and Peso are visiting The Polar Scout Emergency Post run by Tracker - a young polar bear trained by Captain Barnacles. Suddenly they receive a signal for help from a deserted research station on the opposite side of the world. Whoever could have sent the signal, the Octonauts have to answer it.