Family Guy - Season 11 Episode 14 Call Girl Parental Discretion Advised, that's how you know it's good.
Overview: When the Griffins find themselves in a financial bind, Lois is forced to find a job of her own. She gets discovered by a "voiceover" talent agent named Randy, who actually runs an adult-only phone line and pays his employees generously. As Lois settles into her new gig, she hears Peter's voice on the other end of the line.