Stan has had enough of Roger's antics! When he calls Roger out, Roger claims he has been sent to Earth to determine the fate of mankind. Stan challenges him to prove it, and is tickled pink when he learns Roger's real purpose for being on Earth. Roger struggles to get a grip on reality until a fateful turn of events helps put things in perspective.
Brian is devastated to learn that his ex-girlfriend Jillian is getting married until he meets The Hills star Lauren Conrad. Though Brian begins to think he and Conrad are the perfect match, he finds his heart may still belong to Jillian.
When Marge learns Springfield Elementary is the worst school in the state, she and Homer rent an apartment in the upscale Waverly Hills school district so Bart and Lisa can attend a better school. Meanwhile, Homer moves into the rented Waverly Hills apartment and gets used to the bachelor lifestyle.