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Season guide

Adventure Time: Season 10

13 episodes Premiered Sep 17, 2017 Updated Oct 3, 2026
Previously on Adventure Time

Season 10 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 Adventure Time Season 9.
  • ⚡ 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 10 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 10 Progress Shield

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

Season 10: Filler vs. Essential Canon

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

31%
69%
Mytharc (4): Crucial lore & season climaxes
Core (9): Character development & subplots
Side Quest (0): Standalone / filler
S10·E1 Mytharc

The Wild Hunt

Sep 17, 2017 · 11 min

A fierce creature is terrorizing the Candy Kingdom but before Finn can slay the beast, he must first overcome a guilty conscience.

S10·E2 Core

Always BMO Closing

Sep 17, 2017 · 11 min

BMO and Ice King hit the road as door to door salesmen and stumble upon an irresistible opportunity.

S10·E3 Core

Son of Rap Bear

Sep 17, 2017 · 11 min

When Flame Princess is coaxed into a high stakes battle against the indomitable Son of Rap Bear, Finn must help her search for a new strategy.

S10·E4 Core

Bonnibel Bubblegum

Sep 17, 2017 · 11 min

A long lost artifact causes Princess Bubblegum to harken back to the creation of the Candy Kingdom.

S10·E5 Core

Seventeen

Dec 17, 2017 · 11 min

A mysterious knight crashes Finn's birthday bash and presents him with a dangerous gift.

S10·E6 Core

Ring of Fire

Dec 17, 2017 · 11 min

When an old flame comes calling on urgent business, Tree Trunks reconsiders both her wild past and her tranquil present.

S10·E7 Core

Marcy & Hunson

Dec 17, 2017 · 11 min

After helping with the creation of a new sword, Hunson Abadeer comes back to try and regain his daughter's love.

S10·E8 Core

The First Investigation

Dec 17, 2017 · 11 min

Kim Kil Whan tasks Jake and Finn to investigate reports of a haunting in one of Kim Kil Whan's properties "Joshua and Margaret Investigations" since something in there traumatized

S10·E9 Core

Blenanas

Mar 18, 2018 · 11 min

Finn's latest literary work meets with only derision, so he sets out to prove all the naysayers wrong.

S10·E10 Mytharc

Jake the Starchild

Mar 18, 2018 · 11 min

In order to fulfill his grand destiny, Jake is spirited away by a strangely familiar shape-shifting alien.

S10·E11 Core

Temple of Mars

Mar 18, 2018 · 11 min

Searching for answers on Mars, Finn and Jermaine discover that they must first survive a cunning Martian mental trap.

S10·E12 Mytharc

Gumbaldia

Mar 18, 2018 · 11 min

Finn and Jake, as ambassadors of the Candy Kingdom, travel to a powerful new city-state in a last ditch effort to stave off war.

S10·E13 Mytharc

Come Along With Me

Sep 3, 2018 · 44 min

In the distant future, many years after the outcome of the Gum War, two friends named Beth and Shermy recover a rusty old mechanical arm that once belonged to Finn after it is drop

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