'Hangover III' is the No. 1 movie-on-demand in the U.S. PORTLAND, Ore., Oct. 21 (UPI) -- The big-screen comedy "The Hangover III" tops the list of movies on demand in the United States, Rentrak announced Monday. 2 on the pay-per-view roster for the week ending Oct. 13 is "After Earth," followed by "The Purge" at No. 4 and "The Croods" at No. Rounding out the top tier are "World War Z" at No. 6, "Now You See Me" at No. 7, "Iron Man 3" at No. 8, "Star Trek: Into Darkness" at No. 9 and "The Great Gatsby" at No.