Cap'n Drakken

S4, E13: Kim and Ron go on a senior class trip to a 1600's living history sea port where their instructor turns out to be Barkin's father! Things aren't going well, with a strict instructor, no electrcity and things go from bad to worse when Drakken opens a treasure chest and is possessed by the spirit of an pirate! Now with the help of Barkin's father, Kim and Ron must defend the old-time village and return Drakken to normal.