When an evil Mer-Wizard, Lord Fathom, is released from an underwater prison, he sets out to take over the Never Sea by awakening a giant, three-headed sea serpent, the Strake!

Captain Hook discovers a funny smell and it's coming from Bones's new pet, the stinky Skunk Bug. He tells him to get rid of it at once to discard it to Pirate Island forcing Jake, Izzy, Cubby and ...