User blog comment:TheDoctor230/Arrowverse Season's Ranked/@comment-25280771-20171028125437

Complete Seasons:

12. Arrow Season 4

11. Supergirl Season 1

10. Arrow Season 3

9. Supergirl Season 2

8. The Flash Season 3

7. Legends Season 1

6. The Flash Season 2

5. Arrow Season 1

4. Legends Season 2

3. The Flash Season 1

2. Arrow Season 5

1. Arrow Season 2

New seasons (after 3 episodes):

Arrow Season 6

The Flash Season 4

Supergirl Season 3

Legends Season 3