Bart and Lisa use theological arguments to try to reunite Krusty the Clown and his rabbi father, who disowned Krusty when he turned from rabbi to clown.

Krusty discovers that he never had a bar mitzvah as a child. He quits his show to have it as an adult, with the help of his father, Rabbi Krustofski. Meanwhile, Homer hosts a late-night talk show a la "Politically Incorrect with Bill Maher" as a replacement for Krusty's show.

Krusty grudgingly adds a pretty, singing cohost named Princess Penelope to his show in order to attract more female viewers. Girls love her, and ratings improve, but Bart and Milhouse want to get the show back to the way it was. The situation gets more complicated when Krusty and Penelope fall in love and decide to get married. Meanwhile, Homer, Lenny, and Carl consider working at a competing nuclear plant when Mr. Burns cuts off their daily doughnut service.

A boulder traps Homer's arm when he takes a drive through a canyon; a spider bite paralyzes Homer; Flanders becomes a vigilante by night; Bart and Milhouse travel to a distant planet to obtain an extract.

After Krusty the Clown's show is canceled and his talent agency drops him, his very first agent, Annie, tries to craft his comeback.

When the Simpsons are kicked out of Springfield, they join an off-the-grid community near by; Homer and Marge's former friends react badly when they try to sneak back into town.

A Springfield resident dies, Krusty retires after he's offended by a comedy cable channel roast of him, and Lisa tries to protect Homer from getting hurt.

Krusty tries to impress his daughter as they spend Christmas with the Simpsons. Meanwhile, Reverend Lovejoy seeks converts after church attendance plummets, and Maggie is haunted by a spooky Christmas toy.

Everybody is now horrified of clowns after Bart's prank using clown masks, which also causes Krusty to lose his job. He attempts a comeback as a dramatic actor in the play "The Salesman's Bad Day", with Llewellyn Sinclair as his director.

Bart falls into a coma after being struck by lightning.

The documentary crime series "Dateline: Springfield" goes in-depth to solve the case of Lisa’s missing college fund.

A future tale of the will-they-won't-they-I-guess-they-won't-maybe-they-will of Springfield's most unlikely couple.