ESB was kind of a letdown to some people, but to go totally dark, and grim---think of the Star Wars fanatics that died between ESB and ROTJ. To them the dark side/evil won.
The end.
Name some of the movies you saw at the theater that left you completely disappointed, and saddened you wasted your money on them!
I'll start with a few of my picks:
Spider-Man 3
Unbelievably disappointing follow up to the wonderful second film in the series. This was so bad I think I erased...