Back to the Future

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Across
  1. 2. Marty's girlfriend
  2. 7. What makes time travel possible. Two words.
  3. 9. Richard's ____ Almanac
  4. 13. Marty's year
  5. 14. We don't need no ____.
  6. 15. Jailbird ____. Mary's uncle
Down
  1. 1. This is ____. (What does weight have anything to do with it?)
  2. 3. Doctor Brown's dog
  3. 4. Marty's surname
  4. 5. Doctor Brown's profession in the old west
  5. 6. Biff's ancestor. Two words.
  6. 8. ____! I hate ____!
  7. 10. Make like a tree and get out of ____.
  8. 11. Dr. Brown's exclamation. Two words
  9. 12. The type of car the time machine is made of.