Pogo the Poltergeist

S1 E211: Pogo buys an invisibility gun and soon gets bored of making objects invisible. When he turns himself invisible he gets the inevitable idea of how much fun he could play on his neighbours by pretending to be a ghost. When a terrified Newt enlists the help of Bubbles and her excessive use of force Pogo quickly find that the tables are turned on him and he becomes victim to his own prank.