The ones I can get are these. If anyone can fill in the blanks, I'll be happy.

A = ?
B = Back to the Future
C = Coming to America
D = Dirty Dancing
E = ET
F = Flight of the Navigator
G = Ghostbusters
H = Honey I shrunk the kids (?)
I = Indiana Jones etc
J = Jumping Jack Flash
K = ?
L = Labrynth
M = Mannequin (?)
N = Nightmare on Elm Street
O = Octopussy
P = Princess Bride
Q = ?
R = Rambo
S = Short Circuit
T = Teen Wolf
U = Untouchables
V = Vice Versa (?)
W = Weird Science
X = Xanadu
Y = Young Blood (?)
Z = Zelig (?)