For me, season 10 started out best.
Wizard of Evergreen Terrace (C)
Bart the Mother (B)
Beyond Blunderdome (C)
Brother's Little Helper (C+)
Guess Who's Coming to Criticize Dinner (C)
A Tale of Two Springfields (D+)
Insane Clown Poppy (C+)
The Parent Rap (C)
Homer the Moe (D+)
How I Spent My Strummer Vacation (C+)
Bart vs Lisa vs 3rd Grade (C+)
God, the things I do when procrastinating.