Harry Potter is a television series .
Harry Potter and the Prisoner of Azkaban -LRB- 2004 -RRB- is the only film in the series not among the 50 highest-grossing films of all time , with Harry Potter and the Deathly Hallows -- Part 2 , the highest-grossing film in the series and one of 30 films to gross over $ 1 billion , ranking at number 8 .
Harry Potter -LRB-film series-RRB-