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Season guide

Arthur: Season 22

8 episodes Premiered May 13, 2019 Updated Oct 16, 2026
Previously on Arthur

Season 22 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 21.
  • ⚡ 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 22 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 22 Progress Shield

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

Season 22: Filler vs. Essential Canon

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

38%
63%
Mytharc (3): Crucial lore & season climaxes
Core (5): Character development & subplots
Side Quest (0): Standalone / filler
S22·E2 Core

The Feud

May 13, 2019 · 13 min

Just about the entire third grade class chooses sides when Arthur and Buster argue over a video game.

S22·E3 Core

When Rivals Came to Roost

May 14, 2019 · 13 min

When Mighty Mountain’s school building gets flooded, the Lakewood Elementary students have to share everything with them: their classroom, their cafeteria food, and even their scie

S22·E4 Core

The Longest Eleven Minutes

May 14, 2019 · 13 min

The Internet is out! How will Muffy post her blog‽ How will Buster research aliens‽ Uh oh… looks like the gang will be stuck with the most boring day ever.

S22·E5 Core

Muffy's House Guests

May 15, 2019 · 13 min

Muffy is terrified when peregrine falcons build a nest outside her bedroom window.

S22·E7 Mytharc

Muffy's Car Campaign

May 16, 2019 · 13 min

Francine rallies the troops around a petition to help Lakewood Elementary protect the environment. Muffy wants to support her friends, but worries that their plans could put Crossw

S22·E8 Mytharc

Truth or Poll

May 16, 2019 · 13 min

Francine helps Lakewood Elementary protect the environment; Binky is convinced Mr. Ratburn's latest math test was too hard.

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