The Big Bang Theory

Stewie and Brian go back in time to stop Bertram from killing Leonardo da Vinci.

Season 9 | Episode 18

TV-14-DLSV
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Cast

Seth MacFarlane

as Peter Griffin

Alex Borstein

as Lois Griffin

Seth MacFarlane

as Stewie Griffin

Mila Kunis

as Meg Griffin

Seth Green

as Chris Griffin

Seth MacFarlane

as Brian Griffin

Seth MacFarlane

as Glenn Quagmire

Patrick Warburton

as Joe Swanson

Mike Henry

as Cleveland Brown