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What Your Favorite Movies Were Almost Called
1. Pretty Woman - was almost called "3000" (the amount of money paid for a week's worth of the hooker's "company").
2. Back to the Future - was almost called "Spaceman from Pluto" because the studio believed that no movie with the word "future" in the title had ever succeeded at the box office.
3. Tootsie - was almost called "Would I Lie to You?"
because of several scripted rewrites.
4. Boys Don't Cry - was almost called "Take It Like a Man", but thanks to a Cure song on the soundtrack "Boys Don't Cry" came out a winner.
5. Help! - was almost called "Eight Arms to Hold You"
because Help was already registered so they added an exclamation point.
6. The Grapes of Wrath - was almost called "Route 66" due to the use of the historic highway during filming.
7. Annie Hall - was almost called "Anhedonia" which is the scientific term for the inability to experience pleasure.
That's Woody Allen for you.
8. Blazing Saddles - was almost called "Tex X" as a play on civil rights leader Malcolm X.
[From mentalfloss.com]