Peter wins the Griffin family a cruise after becoming the victor of a company competition. Shortly before the family prepares to leave, Joe recognizes the strength of Brian’s nose and offers him a job as a police dog to find drugs. At an airport, Brian uncovers a bystander carrying cocaine; however, he accidentally inhales it The next morning, Brian has an emotional breakdown after the family has an intervention with his psychiatrist. The family compromises on sending him to rehab with their vacation money. Peter joins Brian since he now can’t go on vacation, and the two cause unrest among the surrounding patients by causing premature births in pregnant teens. After the two are caught, Peter is accused of being Brian’s “x-factor”; however, Brian manages to defend him and decides to leave the center. The Griffins throw a party to celebrate Brian’s return home; however, the family is shocked when he announces that he is leaving Quahog to Los Angeles to continue the search for the thrill of his life.
Guest stars: Carlos Alazraqui, Thomas Dekker, June Foray, Leif Garrett, Haley Joel Osment, Nicole Sullivan, and Wally Wingert

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