← Season 21
THE SIMPSONS · SEASON 21 · EPISODE 22

The Simpsons S21E22 The Bob Next Door

★ 8.3 · GREAT May 16, 2010 30 MIN FOX
Still from The Simpsons S21E22: The Bob Next Door

The episode in brief

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.

FAN DESK VERDICT A top-shelf entry. Not quite canon, but you’ll be quoting it all week — the fan desk says don’t skip.

Who’s in it

SERIES REGULARS

Where it sits in the season

TAP A BAR TO JUMP

Where to watch S21E22

US · NOVEMBER 2026
AVAILABILITY IS FOR THE SHOW; NOT EVERY SERVICE CARRIES EVERY EPISODE · LINKS MAY EARN US POPCORN MONEY
8.3
THE FAN VERDICT
Keeper. Goes straight in the rewatch rotation.

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S21E22 FAQ

When did The Simpsons S21E22 air?

The Simpsons S21E22 (“The Bob Next Door”) first aired on May 16, 2010.

Where can I watch The Simpsons S21E22?

In the US, The Simpsons season 21 — including this episode — is available on FX, Hulu, Disney+, fuboTV, DirecTV On Demand, Spectrum On Demand, YouTube TV, FOX One Amazon Channel, Hulu on Disney+, Amazon, Fandango at Home, and AppleTV.

Is The Simpsons S21E22 a good episode?

Fans rate The Simpsons S21E22 (“The Bob Next Door”) 8.3/10, which puts it in the great tier for The Simpsons.