A new episode of Family Guy, titled "Herpe, the Love Sore," will air on Fox tonight. In "Herpe, the Love Sore," Brian gives Stewie an STD. Meanwhile, Peter and the guys fight back when another group claims their booth at The Drunken Clam. The voice cast includes Seth MacFarlane as Peter Griffin, Stewie Griffin, Brian Griffin, Quagmire, Animal; Clint Eastwood; Janice; Kennedy Man; Seamus; Suburban Man; Alex Borstein as Lois Griffin, Teacher; Woman at Table; Seth Green as Chris Griffin; Mila Kunis as Meg; Mike Henry as Cleveland Brown; and Patrick Warburton as Joe. Bryan Cranston guest stars as himself. Family Guy, "Herpe, the Love Sore," airs Sunday, April 6 at 8:30 pm ET on Fox.