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"