The Big Bang Theory
Stewie and Brian go back in time to stop Bertram from killing Leonardo da Vinci in order to erase Stewie from the universe.
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More from this season
S9 E1
And Then There Were Fewer
In this murder mystery special, The Griffins as well as all the other major characters become trapped in a mansion while they are killed off one by one.
S9 E2
Excellence in Broadcasting
Brian decides to confront Rush Limbaugh when he comes to Quahog for a book signing.
S9 E3
Welcome Back Carter
After Peter catches Carter having an affair, he is forced into keeping a secret. But when Peter accidentally spills the beans, Lois' mom demands a divorce, and Peter is in charge of Carter's return to bachelorhood.
S9 E4
Halloween on Spooner Street
Peter and Joe team up to execute a series of painful and humiliating Halloween pranks on unsuspecting family, friends and neighbors. While Brian shows Stewie the ropes of trick-or-treating, Meg sets out to attend her first high school Halloween party with high hopes for the evening.