Plot (Spoiler)

After Brian falls in love with Ellie (voiced by Amanda Seyfried), a female show dog, he enters a dog show competition, where the winner will get to breed with her. Meanwhile, Peter and Lois attempt to convince Chris that “Arthur Valentine” is not real. When they are unable to do so, they kill Arthur Valentine which leads to Chris falling into depression.References: Stewie training Brian makes a joke about 9/11, Brian makes a statement saying “I was supposed to be on one of those planes” Stewie saying “yes me too” references when Seth MacFarlane had a hangover on that day missing his flight to Los Angeles, which was crashed into the World Trade Center.