main (adj) - larger, more important, or having more influence than others of the same type

theme (n) - the main subject of a talk, book, film, etc.

1. Game of Thrones
2. Hannibal
3. Teen Wolf
4. The Big Bang Theory
5. American Horror Story
6. Sherlock
7. Friends
8. Supernatural
9. Glee
10. Merlin
11. Doctor Who
12. The Walking Dead
13. True Blood
14. Vikings

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