I’ve seen 50 of them:
1. CITIZEN KANE (1941)
2. CASABLANCA (1942)
3. THE GODFATHER (1972)
4. GONE WITH THE WIND (1939)
6. THE WIZARD OF OZ (1939)
10. SINGIN’ IN THE RAIN (1952)
11. IT’S A WONDERFUL LIFE (1946)
14. SOME LIKE IT HOT (1959)
15. STAR WARS (1977)
17. THE AFRICAN QUEEN (1951)
18. PSYCHO (1960)
20. ONE FLEW OVER THE CUCKOO’S NEST (1975)
21. THE GRAPES OF WRATH (1940)
22. 2001: A SPACE ODYSSEY (1968)
23. THE MALTESE FALCON (1941)
25. E.T. THE EXTRA-TERRESTRIAL (1982)
26. DR. STRANGELOVE (1964)
27. BONNIE AND CLYDE (1967)
30. THE TREASURE OF THE SIERRA MADRE (1948)
31. ANNIE HALL (1977)
33. HIGH NOON (1952)
34. TO KILL A MOCKINGBIRD (1962)
35. IT HAPPENED ONE NIGHT (1934)
37. THE BEST YEARS OF OUR LIVES (1946)
40. NORTH BY NORTHWEST (1959)
41. WEST SIDE STORY (1961)
43. KING KONG (1933)
48. JAWS (1975)
49. SNOW WHITE AND THE SEVEN DWARFS (1937)
51. THE PHILADELPHIA STORY (1940)
52. FROM HERE TO ETERNITY (1953)
55. THE SOUND OF MUSIC (1965)
58. FANTASIA (1940)
59. REBEL WITHOUT A CAUSE (1955)
60. RAIDERS OF THE LOST ARK (1981)
61. VERTIGO (1958)
62. TOOTSIE (1982)
64. CLOSE ENCOUNTERS OF THE THIRD KIND (1977)
65. THE SILENCE OF THE LAMBS (1991)
68. AN AMERICAN IN PARIS (1951)
69. SHANE (1953)
71. FORREST GUMP (1994)
72. BEN-HUR (1959)
74. THE GOLD RUSH (1925)
76. CITY LIGHTS (1931)
81. MODERN TIMES (1936)
82. GIANT (1956)
85. DUCK SOUP (1933)
87. FRANKENSTEIN (1931)
91. MY FAIR LADY (1964)
97. BRINGING UP BABY (1938)
100. YANKEE DOODLE DANDY (1942)
