President Porpoise Is Missing!.While playing video games in their treehouse, Finn and Jake learn that President Porpoise is missing. They decide to find Banana Man for help, and are surprised that Banana Man and the Ice King were already there, listening. Finn and Jake enlist BMO to distract the Ice King, while they travel with Banana Man to the bottom of the sea in Banana Man's submarine. Finn and Jake interrogate Vice President Blowfish but are unsuccessful at getting information. At the last moment before Blowfish takes over as President of the Ocean, President Porpoise returns, explaining that he had taken a long weekend.