S21E22The Simpsons season 21 episode 22: The Bob Next Door
Aired 16 May 201022 minRated TV-PG
Where to watch The Simpsons Season 21 in Australia
The Simpsons season 21 is streaming in Australia on Disney+ (subscription, listed for the whole show). You can also buy it on Apple TV from $24.99.
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Availability checked 16 November 2026.
What happens in “The Bob Next Door”
Bart becomes convinced that his new neighbor, Walt, is his archenemy, Sideshow Bob, disguised and back for revenge. But when Marge tries to convince Bart otherwise by taking him to visit the state penitentiary, a disturbing truth is revealed.
Episode summary: TMDB.
Before you watch
- It is episode 22 of 23 of season 21, so watch episodes 1 to 21 first.
- It runs about 22 minutes.
- Directed by Nancy Kruse, written by John Frink.
- TMDB users rate it 6.8 out of 10 (28 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
- Nancy Kruse
- Writer
- John Frink
- Guest stars
- Kelsey Grammer as Sideshow Bob (voice)Pamela Hayden as Milhouse (voice)
Credits: TMDB.
More from The Simpsons Season 21
Every episode of Season 21The 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.