Death grants Peter's wish to go back in time to 1984 when he was 18, but only for one night. He ends up bailing on a date with Lois to hang out with a movie actress. When he returns to the present, he soon realizes that everything is anything but normal, as he is now married to the former actress, and Lois is with Quagmire. Meanwhile, Stewie, Chris and Meg have also taken on Quagmire's charming characteristics.
When finding out Jimbo, Dolph, and Kearney plan on sabotaging Springfield Elementary School's annual bake sale by releasing the "ultimate stinkbomb" (a rotten yogurt cup from Springfield's Nuclear Power Plant), Bart and Lisa enlist the help of Jack Bauer and Chloe O'Brian. Meanwhile, Marge attempts to make the perfect cake, so she can win the bake sale.
When Homer buys the 1,000,000th ice-cream cone at a local shop, he ends up on Kent Brockman's news program. When Brockman swears on live TV after coffee is spilled in his lap, Ned Flanders leads a crusade to clean up Springfield's airwaves, starting with getting Brockman fired. Then Homer once again saves the day.