Clue: Point to the new 19 and use new one of 5 down's (4,4,1,4,2,3,4)
Answer: ONCE UP A TIME IN THE WEST
Explanation: Definition: one of 5 down's
Anagram of POINT TO THE NEW CINEMA + USE. As usual with these long anagrams, I admire the construction, and in this case particularly the reference to another answer, but probably wouldn't have bothered to work it out if I didn't have to explain it here