I’ve only watched a few before and those were a long time ago. I am going to enjoy going through the list

20. Citizen Kane
19. A Man Escaped
18. Sweet Smell of Success
17. Notorious
16. Godfather 1 & 2
15. To Have and To Have Not
14. Night of the Hunter
13. This is Spinal Tap
12. Kind Hearts and Coronets
11. Brief Encounter
10. Chinatown
9. The Conformist
8. Vertigo
7. Great Expectations
6. The Battle of Algiers
5. The Lady Eve
4. The Wild Bunch
3. Singin’ in the Rain
2. Double Indemnity
1. All About Eve

But, what, is he gonna go back and work for the government now? That doesn’t make any sense. So it’s a tricky one, trying to figure out a way, organically, to have a fourth story. But we want to do it.”Paul said to me, “People stop me on the street all the time and say, ‘Hey, are you gonna do another one of those movie? I really like those movies’. When the audience is saying that, that means something. We want to go, “Yeah, we love that character too.” So we wanna make another one. But we want to make it right.”

via Empire: Movie News – Exclusive: Matt Damon On Bourne.