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Season guide

Transformers: Animated: Season 3

13 episodes Premiered Mar 14, 2009 Updated Sep 29, 2026
Previously on Transformers: Animated

Season 3 Lore Primer

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

  • ⚡ Directly follows the overarching narrative developments of Transformers: Animated Season 2.
  • ⚡ Faction dynamics and core character alliances shift under escalating external stakes.
  • ⚡ Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • ⚡ Sets up serialized story arcs that build directly toward the climactic season finale.
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Season 3 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 3 Progress Shield

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

Season 3: Filler vs. Essential Canon

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

23%
77%
Mytharc (3): Crucial lore & season climaxes
Core (10): Character development & subplots
Side Quest (0): Standalone / filler
S3·E1 Mytharc

TransWarped (1)

Mar 14, 2009 · 22 min

The Autobots try to warn Cybertron of Megatron's spy.

S3·E2 Core

TransWarped (2)

Mar 14, 2009 · 22 min

Megatron and the Decepticons focus on conquering Cybertron.

S3·E3 Core

TransWarped (3)

Mar 14, 2009 · 22 min

One Autobot has suffered severe damage.

S3·E4 Core

Three's a Crowd

Mar 21, 2009 · 22 min

Bulkhead confronts Dirtboss and the Constructicons.

S3·E5 Core

Where Is Thy Sting

Mar 28, 2009 · 22 min

Wasp travels to Earth to exact his revenge on Bumblebee.

S3·E6 Core

Five Servos of Doom

Apr 4, 2009 · 22 min

Sentinel has success in capturing fugitive Decepticons.

S3·E7 Core

Predacons Rising

Apr 11, 2009 · 22 min

Blackarachnia is desperate to find Wasp before the Autobots.

S3·E8 Core

Human Error (1)

Apr 18, 2009 · 22 min

Soundwave action figures are sold for Christmas.

S3·E9 Core

Human Error (2)

Apr 25, 2009 · 22 min

Sari hunts for a way to help the Autobots escape.

S3·E10 Core

Decepticon Air

May 2, 2009 · 22 min

The Elite Guard heads back to Cybertron with prisoners.

S3·E12 Mytharc

Endgame (1)

May 16, 2009 · 22 min

Ratchet is determined to go to the moon to save Omega Supreme.

S3·E13 Mytharc

Endgame (2)

May 23, 2009 · 22 min

Prowl and Optimus Prime are on the defensive when Lugnut's clones attack Detroit.

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