Episodes Rated TV-14

These are episodes that were rated TV-14, other than the normal TV-PG. Season 20 has the most TV-14 episodes with 7, and Season 21 has the second-most with 4, and Season 27 has the third-most [only half of the season has aired so far, subject to change].

Season 2

 * Two Cars in Every Garage and Three Eyes on Every Fish

Season 6

 * Treehouse of Horror V

Season 9

 * Natural Born Kissers

Season 10

 * Simpsons Bible Stories
 * Monty Can't Buy Me Love

Season 11

 * Little Big Mom

Season 13

 * Weekend at Burnsie's

Season 14

 * Three Gays of the Condo

Season 16

 * There's Something About Marrying
 * The Father, the Son and the Holy Guest Star

Season 17

 * The Seemingly Never-Ending Story

Season 19

 * Treehouse of Horror XVIII
 * Papa Don't Leech

Season 20

 * Sex, Pies and Idiot Scrapes
 * Treehouse of Horror XIX
 * Dangerous Curves
 * No Loan Again, Naturally
 * Gone Maggie Gone
 * Wedding for Disaster
 * Four Great Women and a Manicure

Season 21

 * American History X-cellent
 * Chief of Hearts
 * Moe Letter Blues
 * Judge Me Tender

Season 23

 * The Man in the Blue Funnel Pants

Season 24

 * The Day the Earth Stood Cool
 * What Animated Women Want

Season 25

 * Homerland
 * Yellow Subterfuge

Season 26

 * Treehouse of Horror XXV

Season 27

 * Halloween of Horror
 * Treehouse of Horror XXVI
 * Barthood