S09E16Family Guy season 9 episode 16: The Big Bang Theory
Aired 8 May 201122 minRated TV-14
7.5TMDB · 22 votes
Where to watch Family Guy Season 9 in Australia
Family Guy season 9 is streaming in Australia on Disney+ (subscription, listed for the whole show).
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Availability checked 16 November 2026.
What happens in “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.
Episode summary: TMDB.
Before you watch
- It is episode 16 of 18 of season 9, so watch episodes 1 to 15 first.
- It runs about 22 minutes.
- Directed by Dominic Polcino, written by David A. Goodman.
- TMDB users rate it 7.5 out of 10 (22 votes).
Cast and crew of this episode
- Director
- Dominic Polcino
- Writer
- David A. Goodman
- Guest stars
- Wallace Shawn as Bertram (voice)Joe Flaherty as Vatican Messenger (voice)
Credits: TMDB.
More from Family Guy Season 9
Previous · S09E15Brothers & Sisters17 April 2011S09E17Next · S09E17Foreign Affairs15 May 2011
Every episode of Season 9Family Guy episode guide
Episode names, air dates, runtimes, stills and ratings: TMDB. Air dates are the first broadcast anywhere; where it streams is our daily Australian check.