List of episodes rated 12 by the BBFC

Most episodes are rated PG, but some are given a 12 which brings up the rating of the season box set they're in . The earliest 12-rated episode was Homer Badman (which was originally a PG).

Season 6

• Homer Badman
• A Star is Burns
• Lisa's Wedding

Season 7

• The Simpsons 138th Episode Spectacular
• 22 Short Films About Springfield

Season 8

• Simpsoncalifragilisticexpiala(Annoyed Grunt)cious
• Homer vs. the Eighteenth Amendment
• Grade School Confidential
• The Canine Mutiny

Season 9

• The Principal and the Pauper
• The Cartridge Family
• Trash of the Titans
• King of the Hill

Season 10

• D'oh-in' in the Wind
• They Saved Lisa's Brain
• Thirty Minutes Over Tokyo

Season 11

• Treehouse of Horror X
• Take My Wife, Sleaze
• Missionary: Impossible
• Pygmoelian
• Bart to the Future
• Kill the Alligator and Run
• It's a Mad, Mad, Mad, Mad Marge

Season 12

• Treehouse of Horror XI
• Tennis the Menace
• Trilogy of Error

Season 13

• The Parent Rap
• A Hunka Hunka Burns in Love
• The Blunder Years
• Brawl in the Family
• Sweets and Sour Marge
• Jaws Wired Shut
• Half-Decent Proposal
• The Bart Wants What It Wants
• The Lastest Gun in the West
• The Old Man and the Key
• Tales From the Public Domain
• Weekend at Burnsie's
• Gump Roast
• The Sweetest Apu
• The Frying Game

Season 14

• Treehouse of Horror XIII
• How I Spent My Strummer Vacation
• The Great Louse Detective
• Special Edna
• The Strong Arms of the Ma
• I'm Spelling as Fast as I Can
• A Star is Born Again
• C.E.D'oh
• 'Scuse Me While I Miss the Sky
• Three Gays of the Condo

Season 15

• Treehouse of Horror XIV
• The President Wore Pearls
• Today I Am a Clown
• 'Tis the Fifteenth Season
• Diatribe of a Mad Housewife
• Margical History Tour
• Milhouse Doesn't Live Here Anymore
• The Ziff Who Came to Dinner
• Co-Dependent's Day
• My Big Fat Geek Wedding
• Catch 'Em if You Can
• Simple Simpson
• Bart-Mangled Banner
• Fraudcast News