This is one of the greatest season three I have ever seen. This is very high 4.5 stars, so it is like 9.5/10 for me.

Top 3 characters:
1.Captain Flint
2.John Silver
3.Charles Vane

Top 5 episodes:
1.XXVIII.
2.XXVII.
3.XIX.
4.XXI.
5. XXVI.

some of the best moments (contains some spoilers):
Flint and Silver's dialogue (3x10)
Flint's dream sequence (3x03)
Vane's conclusion (3x09)
Billy's letter (3x10)
Flint and Silver's dialogue (3x03)
Silver's speach (3x07)
that one shot of pursuing Governor's transport of Jack and the gold (3x08)
Flint and Silver's dialogue (3x09)(another time their dialogue impresses me)
Flint convincing ex slaves to let them live (3x05)
Flint and Woodes dialogue (3x07)