S12E18The Simpsons season 12 episode 18: Trilogy of Error
Aired 29 April 200123 minRated TV-PG
Where to watch The Simpsons Season 12 in Australia
The Simpsons season 12 is streaming in Australia on Disney+ (subscription, listed for the whole show). You can also buy it on Apple TV from $3.49.
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Availability checked 16 November 2026.
What happens in “Trilogy of Error”
Homer's rush to the hospital to reattach his thumb, Lisa's rush to school to win the science fair, and Bart's run-in with an illegal fireworks scheme are interconnected in a parody of Go and Run Lola Run.
Episode summary: TMDB.
Before you watch
- It is episode 18 of 21 of season 12, so watch episodes 1 to 17 first.
- It runs about 23 minutes.
- Directed by Mike B. Anderson, written by Matt Selman.
- TMDB users rate it 7.7 out of 10 (34 votes).
The Simpsons trailer
The official trailer for the series (no preview of this episode has been published).
Play video: The Simpsons trailer
Cast and crew of this episode
- Director
- Mike B. Anderson
- Writer
- Matt Selman
- Guest stars
- Frankie Muniz as Thelonious (voice)Russi Taylor as Martin Prince (voice)Joe Mantegna as Fat Tony (voice)Tress MacNeille as Agnes Skinner (voice)Marcia Mitzman Gaven as Miss Hoover (voice)Karl Wiedergott as Spooked Soldier / Legs (voice)Pamela Hayden as Milhouse Van Houten / Rod Flanders (voice)
Credits: TMDB.
More from The Simpsons Season 12
Every episode of Season 12The Simpsons 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.