Pirates of the Caribbean isn't a film series.
Pirates of the Caribbean : On Stranger Tides is a 2011 American fantasy swashbuckler film , the fourth installment in the Pirates of the Caribbean film series and the sequel to At World 's End ( 2007 ) . Pirates of the Caribbean is a series of fantasy swashbuckler films produced by Jerry Bruckheimer and based on Walt Disney 's theme park ride of the same name . On Stranger Tides succeeded in also grossing more than $ 1 billion , becoming the second film in the franchise and only the eighth film in history to achieve this .