Krusty is approached by two network executives who want to bring on female co-star Princess Penelope to increase the show's female demographic. The onstage and behind-the-scenes rapport between Krusty and Princess Penelope grows, and before long, Krusty asks for his co-star's hand in marriage. Meanwhile, when Mr. Burns puts a stop to the free doughnuts at the plant to cut costs, Homer, Lenny and Carl decide to meet with a headhunter who specializes in nuclear workers and opens their eyes to opportunities free of draconian doughnut-cutting measures.

Academy Award-nominated filmmaker Morgan Spurlock takes on the behemoth task of documenting 20 years of the global phenomenon that is THE SIMPSONS. In his distinctive and innovative style, the unprecedented one-hour special follows Spurlock as he sets off on a cross-country globe-trotting mission combing the streets for interviews from fans young and old. His travels take him from the home of THE SIMPSONS' biggest fan to the organization at the center of THE SIMPSONS' biggest controversies to landmarks such as the birthplace of "Groundskeeper Willie" and the Springfield Isotopes' playing field. In addition, Spurlock talks to cast, writers and celebrities about the undying cultural obsession with THE SIMPSONS.

Jeremy Clarkson, Richard Hammond and James May star in a compilation of their finest moments from 2009 featuring amazing challenges, spectacular stunts and a small amount of bickering. Plus The Stig attacks the track in a new sports car and there is another chance to see a classic celebrity guest in the Reasonably Priced Car.