archytele The Vault
Season guide

Arthur: Season 9

20 episodes Premiered Dec 27, 2004 Updated Oct 16, 2026
Previously on Arthur

Season 9 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 8.
  • ⚡ 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 9 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 9 Progress Shield

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

Season 9: 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
S9·E1 Mytharc

Castle in the Sky

Dec 27, 2004 · 13 min

The gang is devastated after their tree house collapses.

S9·E2 Core

Tipping the Scales

Dec 27, 2004 · 13 min

Everyone in Arthur's chorus group is excited about their upcoming performance in Crown City. But when Ms. Krasny gets sick, she is replaced by Arthur's strict piano teacher Dr. Fu

S9·E3 Core

Francine's Big Top Trouble

Dec 28, 2004 · 13 min

Francine goes to circus camp thinking she would as good as her sister Catherine. But when Francine does badly, she thinks that when it is time for the circus show she won't have an

S9·E4 Core

George Blows His Top

Dec 28, 2004 · 13 min

Buster takes advantage of generous George, asking him for so many things. But George is shy and is afraid to tell Buster no.

S9·E5 Core

Arthur Weighs In

Dec 29, 2004 · 13 min

Having landed a role for a class play, Arthur finds that he can't fit into his outfit. He and his friends team up to get him in shape.

S9·E6 Core

The Law of the Jungle Gym

Dec 29, 2004 · 13 min

When Muffy wants to take photos from the jungle gym with her new camera, she gets into into an argument with the Tough Customers, the school bullies.

S9·E8 Core

My Fair Tommy

Dec 30, 2004 · 13 min

Fed up with getting punished for Timmy's behaviour, Tommy asks D.W. to teach him good manners.

S9·E10 Core

All Worked Up!

Dec 31, 2004 · 13 min

Arthur's good grade streak slips when his mother takes a client and he fears she won't be around enough.

S9·E11 Core

Arthur Makes Waves

Apr 4, 2005 · 13 min

James invited D.W. and Arthur to swim at his house. Arthur is shocked to learn that Molly is James's older sister.

S9·E12 Core

It Came From Beyond

Apr 4, 2005 · 13 min

Grandma Thora takes in a stray dog that is extremely mean.

S9·E13 Core

Three's a Crowd

Apr 5, 2005 · 13 min

Prunella gets jealous when Marina joins yoga lessons with her and her mother.

S9·E14 Core

A is for Angry

Apr 5, 2005 · 13 min

Arthur's friends take his game against Brain in an interscholastic checkers tournament too seriously and he is frustrated with their unwanted support.

S9·E15 Core

The A Team

Apr 6, 2005 · 13 min

When a better soccer team comes to town, Francine and the Brain quit their old team to join them.

S9·E16 Core

Emily Swallows a Horse

Apr 6, 2005 · 13 min

Emily makes up an excuse to keep the ball D.W. has found, but starts telling bigger lies to cover up the first one.

S9·E17 Core

D.W. Beats All

Apr 7, 2005 · 13 min

The Tibbles receive a new set of drums and want to perform in the Summer Serenade Festival, leaving D.W. to moan over not having her own instrument.

S9·E18 Core

Buster the Myth Maker

Apr 7, 2005 · 13 min

Arthur and Buster go to the park to investigate a rumor that tigers are loose there.

S9·E19 Mytharc

Binky Goes Nuts

Apr 8, 2005 · 13 min

Binky discovers that he's allergic to peanuts.

S9·E20 Mytharc

Breezy Listening Blues

Apr 8, 2005 · 13 min

Much to his horror, Brain gets a B Minus on a test.

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