Family Guy Season 13 Episode 8: Our Idiot Brian

A new episode of Family Guy, "Our Idiot Brian," will air tonight on Fox.

In "Our Idiot Brian," Meg convinces Brian to take the SAT's for her, but when he tests poorly, they start to suspect that Brian might not that smart after all. Peter decides to spend the day showing Brian the joys of being stupid and the benefits of having a low IQ.

The voice cast includes Seth MacFarlane as Peter Griffin, Stewie Griffin, Brian Griffin, Quagmire, and Tom Tucker; Alex Borstein as Lois Griffin; Seth Green as Chris Griffin; Mila Kunis as Meg; Mike Henry as Cleveland Brown; and Patrick Warburton as Joe.

Family Guy, "Our Idiot Brian," airs Sunday, January 11 at 9 p.m. ET on Fox.