S12E21Family Guy season 12 episode 21: Chap Stewie
Aired 18 May 201422 minRated TV-14
Where to watch Family Guy Season 12 in Australia
Family Guy season 12 is streaming in Australia on Disney+ (subscription, listed for the whole show).
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Availability checked 16 November 2026.
What happens in “Chap Stewie”
When Peter and Chris interrupt Stewie's TV time, the angry baby goes back in time to break up Peter and Lois so he's never conceived, but is shocked when he is reborn into a "Downton Abbey"-esque British household.
Episode summary: TMDB.
Before you watch
- It is the season finale of season 12, so watch episodes 1 to 20 first.
- It runs about 22 minutes.
- Directed by Joe Vaux, written by Artie Johann and Shawn Ries.
- TMDB users rate it 7.1 out of 10 (28 votes).
Cast and crew of this episode
- Director
- Joe Vaux
- Writers
- Artie JohannShawn Ries
- Guest stars
- Cary Elwes as Nigel / Guard #1 (voice)Rick Springfield as Rick Springfield (voice)Isaac Hempstead Wright as Aidan (voice)Adam West as Adam West (voice)Ralph Garman as Jeremy Piven / Masturbator (voice)Aaron Taylor-Johnson as Jaidan (voice)Anna-Jane Casey as British Mother (voice)Patrick Meighan as (voice)
Credits: TMDB.
More from Family Guy Season 12
Every episode of Season 12Family 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.