In order of the seasons from most needing of a watch to least:
1. Pearl Island (Need to watch this before any other season)
2. China
3. Micronesia
4. Heroes vs Villains
5. Cagayan
6. Marquesas
7. Vanuatu
---After these seasons watch---
8. South Pacific
9. Phillipines
10. One World
11. Caramoan
12. BvW