S21E21The Simpsons season 21 episode 21: Moe Letter Blues
Aired 9 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 “Moe Letter Blues”
As Mother's Day approaches, Moe narrates an episode in which he writes a letter to Homer, Apu and Reverend Lovejoy, who are vacationing with their children, and threatens to run away with one of their wives. While the trio tries to determine whose wife Moe is referring to, Homer, Lovejoy and Apu flashback to the intimate moments they initially ignored between Moe and Marge, Manjula and Helen Lovejoy. But when the boys return from their trip, they're in for the surprise of their lives.
Episode summary: TMDB.
Before you watch
- It is episode 21 of 23 of season 21, so watch episodes 1 to 20 first.
- It runs about 22 minutes.
- Directed by Matthew Nastuk, written by Stephanie Gillis.
- TMDB users rate it 6.9 out of 10 (27 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
- Matthew Nastuk
- Writer
- Stephanie Gillis
- Guest stars
- Don Pardo as Don Pardo (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.