According to TorrentFreak.com, a website that keeps tabs on Internet downloading, "Avatar" was No. 1 on the list with 21 million downloads.
"Avatar" is also the highest grossing movie of all time.
Coming in second and third are "The Dark Knight" and "Transformers" with about 19 million downloads each.
"Inception" comes in fourth with 18 million downloads. "The Hangover" rounds out the top five with 17 million.
