When did SpongeBob become popular?

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Tags

1. #going
2. #airing
3. #states
4. #following
5. #originally
6. #awards
7. #already
8. #spongebob
9. #these
10. #trademarked
11. #preview
12. #spongeboy
13. #choice
14. #named
15. #changed
16. #called
17. #nickelodeon
18. #series
19. #television
20. #united