Rivers was pretty bad last year to the point where he should have been benched, often looked like he was killing the team and shouldn't be in the league next year until I remember that the Broncos are in the league.
I felt like Enterprise got better as it went along.
I"ve gone through them all except for the newer Discovery and Picard. That includes the TOS the Animated Series, which featured plot lines developed for TOS.
DS9 is quite good