Family Guy Season 9 Episode 16
The Big Bang Theory
S9 E16
Aired May 8, 2011 22m
Stewie and Brian go back in time to stop Bertram from killing Leonardo da Vinci in order to erase Stewie from the universe.
Guest Stars
Wallace Shawn
Bertram (voice)
Joe Flaherty
Vatican Messenger (voice)
Season 9
