Why was Gravity Falls canceled?

Related questions

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2. How did Samuel Gompers influence the American economy?
3. How old is Grunkle Stan from Gravity Falls?
4. What did AFL do?
5. Is gravity falls a real place?
6. How old is Dipper from Gravity Falls?
7. What is the pig's name from Gravity Falls?
8. Is the American Federation of Labor still around?
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Tags

1. #bring
2. #seasons
3. #disney
4. #close
5. #season
6. #gravity
7. #animated
8. #creator
9. #mystery
10. #coming
11. #after
12. #decision
13. #cancelled
14. #hirsch
15. #story
16. #third
17. #apparently
18. #series
19. #there
20. #falls