When Mike, looking for the lesser spotted wader, wanders into danger on the tidal flats ,Ocean Rescue will need their new hovercraft to save him! / While Professor Pickles leads a search for an ancient cannon called the Scarlet Firestorm, a fire breaks out on the water covered in oil! / After exploring a sea cave by kayak, Jodie and Hannah realize the boat they arrived on has been pulled out to sea in a riptide. They’re stranded! / When Woolly the sheep slips his paddock, Derek, Gareth, James and Sarah find out that Nipper is not a natural sheepdog after all! / When James and Mandy accidentally lock themselves in the police station, it’s down to them to initiate a rescue and get Station Officer Steele help!