Pirates of the Caribbean ( film series ) 's second film was subtitled At World 's End .
The third film in the series , subtitled At World 's End , followed in 2007 , and Disney released a fourth film , subtitled On Stranger Tides , in 2011 in conventional 2D , Digital 3-D and IMAX 3D .
Pirates of the Caribbean -LRB-film series-RRB-