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Season guide

Arthur: Season 12

20 episodes Premiered Oct 6, 2008 Updated Oct 16, 2026
Previously on Arthur

Season 12 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Picks up essential narrative continuity directly following the events of Arthur Season 11.
  • ⚡ Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • ⚡ Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • ⚡ Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
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Season 12 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 12 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 12: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

15%
85%
Mytharc (3): Crucial lore & season climaxes
Core (17): Character development & subplots
Side Quest (0): Standalone / filler
S12·E1 Mytharc

Is That Kosher?

Oct 6, 2008 · 13 min

Francine's convinced that she can fast on Yom Kippur just like her older sister. But then Arthur wins a free pizza party for all his friends for that very same day! Will Francine b

S12·E2 Core

Never, Never, Never

Oct 6, 2008 · 13 min

When D.W's extra toys fall into the hands of the destructive Tibble twins, she worries that no one loves her anymore - until Arthur comes to the rescue and proves that giving gifts

S12·E3 Core

Room to Ride

Oct 13, 2008 · 13 min

Binky really enjoys riding his bike, both for fun and as a means of getting to school and back. Binky is devastated when his mother forbids him from riding on the potholed streets

S12·E5 Core

D.W.'s Stray Netkitin

Oct 20, 2008 · 13 min

D.W. enjoys taking care of her Netkitten, but finds herself cut off when the Read family computer suffers from not one, but two computer viruses.

S12·E6 Core

Bats in the Belfry

Oct 20, 2008 · 13 min

Arthur and D.W. are thrilled when Grandma Thora lets them turn her attic into a clubhouse.

S12·E7 Core

For the Birds

Oct 27, 2008 · 13 min

Brain is delighted when he learns that the green-tailed grebe, a bird previously believed to be extinct, has been sighted in the forests of Elwood City. He's determined to be the f

S12·E8 Core

Ungifted

Oct 27, 2008 · 13 min

Arthur and Buster’s friendship is put to the test when Arthur gives away a present that Buster had given him for his birthday.

S12·E9 Core

The Chronicles of Buster

Nov 3, 2008 · 13 min

Buster is enthralled by the new Collector's Edition of The Chronicles of Amayzzia, so much so that it seems like it's all that he can talk about.

S12·E10 Core

On This Spot

Nov 3, 2008 · 13 min

Arthur is thrilled to learn that Sitting Bull ones passed through Elwood City!

S12·E11 Core

The Cherry Tree

Apr 20, 2009 · 13 min

Muffy will do anything to get a bouncy castle for her party - even chop down a cherry tree.

S12·E12 Core

Matchmaker, Matchbreaker

Apr 20, 2009 · 13 min

Francine and Muffy play matchmaker with their siblings Chip and Catherine.

S12·E13 Core

War of the Worms

Apr 21, 2009 · 13 min

Brain is always taking the fun out of Fern’s storytelling by correcting her facts. She decides to teach him a lesson by spinning a tall tale that he can’t help but believe. Fern co

S12·E14 Core

I Owe You One

Apr 21, 2009 · 13 min

Buster’s always asking Arthur for favors. One day he worries at the thought of having to repay them all at once, so Buster goes on a favor-repaying frenzy.

S12·E15 Core

The Blackout

Apr 22, 2009 · 13 min

It’s the hottest day in Elwood City, when a total blackout leaves its residents without any electricity.


S12·E16 Core

Mei Lin Takes a Stand

Apr 22, 2009 · 13 min

Binky’s baby sister Mei-Lin isn’t keen on learning to talk and would rather stick to crawling.

S12·E19 Mytharc

The Perfect Game

Apr 24, 2009 · 13 min

Francine is excited for Mr. Ratburn’s coolest assignment yet. He’s asked them to design their very own model cities!

S12·E20 Mytharc

D.W.'s Furry Freakout

Apr 24, 2009 · 13 min

D.W. finds a stray kitten and begs to keep it. After All, Arthur has his own dog!

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