How many elements of harmony are there?

Related questions

1. Does Pinkie Pie have a sister?
2. How many MLP characters are there?
3. Can two ponies have the same cutie mark?
4. Does Twilight Sparkle have a sister?
5. When did Twilight Sparkle get wings?
6. Is Rainbow Dash a unicorn?
7. Is Scootaloo an orphan?
8. What is a cutie mark?
9. Is Princess Celestia white or pink?
10. Is Scootaloo related to Rainbow Dash?

Tags

1. #prologue
2. #friends
3. #appear
4. #scene
5. #noted
6. #ponies
7. #elements
8. #different
9. #which
10. #briefly
11. #stone
12. #where
13. #harmony
14. #should
15. #shown