When Prohibition is revived in Springfield, Homer and Bart supply the town with alcohol.

After winning a motorcycle at a dance contest, Homer becomes part of a motorcycle gang. But when he puts Marge's photo in a biker magazine, a much tougher gang takes her, and he must win her back.

Homer recalls a tense family vacation to the Grand Canyon with the Flanders family. At first, the Flanders’ perfection puts the families at odds, but when they get stranded and Ned and Bart go for help, the families finally bond.

Mr. Burns makes a bet with his old friend that nothing can break Homer and Marge apart. But that's where Moe comes in.

When the Simpsons go to a STEM conference, Lisa falls for a crooning jazz pianist named Brendan. Meanwhile, Bart discovers that he has an affinity for chemistry