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Season guide

Transformers: Energon: Season 1

51 episodes Premiered Jan 9, 2004 Updated Jul 22, 2026
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Season 1 Episodes

Episode Guide

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Season 1: Filler vs. Essential Canon

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

Time Saved 0.5h Skipping 1 filler episode
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Mytharc (7): Crucial lore & season climaxes
Core (43): Character development & subplots
Side Quest (1): Standalone / filler
S1·E1 Mytharc

Cybertron City

Jan 9, 2004 · 30 min

Ten years have passed since the Armada battles. The Autobots and Decepticons work side by side with humans to harvest Energon. But trouble is brewing with recent attacks by a group

S1·E2 Core

Energron Stars

Jan 16, 2004 · 30 min

The Autobots prepare for the Terrorcons' second strike, but it's not where they expected.

S1·E3 Core

Scorponok

Jan 23, 2004 · 30 min

At Desert City, the Autobots fend off the first Terrorcon attack against Earth.

S1·E4 Core

Megatron's Sword

Jan 30, 2004 · 30 min

The survivors on Mars are attacked again, but the Autobots must turn their attention elsewhere.

S1·E5 Core

The New Cybertron City

Feb 6, 2004 · 30 min

An Energon scout team on a frozen mountain is the target of the latest Terrorcon attack!

S1·E6 Core

Megatron Resurrected

Feb 13, 2004 · 30 min

At various Cyber Cites the Transformers have set up defensive traps to stop the Terrorcons from stealing Energon. It appears the Autobots have won as their enemies retreat, but as

S1·E7 Core

Megatron Raid

Feb 20, 2004 · 30 min

After seeing what Megatron did to Hot Shot, the Autobots end up in a stand off with the Decepticons. Megatron taunts Optimus Prime but allows the Autobots to withdraw without a ski

S1·E8 Core

Starscream the Mysterious Mercenary

Feb 27, 2004 · 30 min

A mysterious phantom assassin stalks Optimus Prime. Can Kicker and the Autobots protect Optimus and unmask the assassin before it is too late?

S1·E9 Core

Battle of The Asteroid Belt

Mar 5, 2004 · 30 min

The Decepticons manage to hit Asteroid City and Lunar City at the same time.

S1·E10 Core

Energon Tower

Mar 12, 2004 · 30 min

The remains of Unicron are finally shown and then the Decepticons attack ocean city only to discover that the Autobots have an Energon tower which activates during the battle. The

S1·E11 Core

The Legend of Rodimus

Mar 19, 2004 · 30 min

Alpha Q prepares to bring Unicron to life, while yet another Energon Tower is secured into place. Below the city, Kicker searches for more Energon with Ironhide, but has trouble be

S1·E12 Core

Crisis In Jungle City

Mar 26, 2004 · 30 min

A massive attack on Jungle City drives the Autobot troops to carry out a desperate last-ditch plan.

S1·E13 Core

Kicker Beware

Apr 2, 2004 · 30 min

Kicker and the Autobots make a series of startling discoveries amid the ruins of Lunar City.

S1·E14 Core

Energon Grid

Apr 9, 2004 · 30 min

Megatron has taken yet another plan, to create three meteors from Unicron and propel them at Earth before the Energon grid has been completed. Dr. Jones notices Desert City's Energ

S1·E15 Core

Rodimus: Friend or Foe

Apr 16, 2004 · 30 min

While Snow Cat tests his Hyper Power against the Energon Grid, Megatron decides to go after Alpha Q instead of Earth after finding a Terrorcon spy. On Earth, the Autobots celebrate

S1·E16 Mytharc

Go For Unicron

Apr 23, 2004 · 30 min

Carlos reports the locators on the two Terrorcons have concluded that the enemy has two bases (Megatron and Alpha Q), while Megatron's plan doesn't succeed as Team Rodimus comes to

S1·E17 Filler

The Return of Demolisher

May 7, 2004 · 30 min

Following Kicker's Energon instinct, the Cybertron land on a frozen planet, and soon become stranded.

S1·E18 Core

A Tale of Two Heroes

Apr 30, 2004 · 30 min

Escalating tensions reach their boiling point as Optimus Prime and Rodimus clash over difference of their ideals over the menace of Unicron!

S1·E19 Core

Battle Stations

May 7, 2004 · 30 min

Unicron’s body is rapidly reviving, much to Megatron’s delight. Optimus Prime pilots the Miranda II into Unicron’s body in an attempt to destroy it from the inside, but Unicron att

S1·E20 Core

Alpha Q: Identity

May 14, 2004 · 30 min

Kicker confronts Alpha Q deep within Unicron, mangning to get the Quintesson to expose his secrets and origins.

S1·E21 Core

Shockblast: Rampage

May 28, 2004 · 30 min

As the Autobots scramble to defeat the Decepticons, the sadistic Shockblast is released from captivity on Cybertron.

S1·E22 Core

Survival Instincts

Jun 4, 2004 · 30 min

Several Decepticon spaceships manage to escape Cybertron and arrive at Unicron’s body where Megatron surveys his forces. Over in Unicron’s head, Optimus Prime meets with Alpha Q.

S1·E23 Core

Each One Fights...

Jun 11, 2004 · 30 min

Megatron is plotting to feed Cybertron to Unicron! The Decepticon army is battered and Shockblast forms an elite unit of those few who are intact. Optimus Prime and Rodimus team up

S1·E24 Core

Unicron Unleashed

Jun 18, 2004 · 30 min

The battle continues on Cybertron as Optimus Prime and Rodimus once again act as one team. The Decepticons are able to cause more tears in the Energon grid, allowing Megatron to sw

S1·E25 Mytharc

Open Fire!

Jun 25, 2004 · 30 min

Megatron and Optimus Prime are set to face off in a final showdown - until Shockblast interferes.

S1·E26 Core

Ripped Up Space

Jul 9, 2004 · 30 min

Using Unicron, Megatron has discovered a powerful source of energy: Super Energon. By immersing himself in the liquid, he is transformed into Galvatron, with a new purple armor whi

S1·E27 Core

Team Optimus Prime

Jul 9, 2004 · 30 min

Recap episode. Megatron escapes into a black hole and Optimus Prime decides to give chase, even though he doesn’t know what he will find on the other side. Kicker joins his Autobot

S1·E28 Core

Protection

Jul 16, 2004 · 30 min

On the other side of the rip, the Autobots must now defend a whole new set of planets, and Wing Saber finally gets the chance to re-capture his prisoner.

S1·E29 Core

Imprisoned Inferno

Jul 23, 2004 · 30 min

Ambushed and alone, Inferno is taken to his limits and beyond by Galvatron

S1·E30 Core

Jungle Planet

Jul 30, 2004 · 30 min

Team Bulkhead searches for the Autobots, while Kicker and Ironhide search for Inferno on the Jungle Planet.

S1·E31 Core

Bulkhead

Aug 6, 2004 · 30 min

The Autobots go to put up an Energon tower on Jungle planet but Megatron isn't going to let that happen without a fight.

S1·E32 Mytharc

Farewell Inferno

Aug 13, 2004 · 30 min

Inferno uses his Decepticon "half" to bait Megatron. In the end, Inferno sacrifices himself in the sun to defeat the Decepticons.

S1·E33 Core

Scorponok's Scars

Aug 20, 2004 · 30 min

It is revealed that the spark within Scorponok is not actually that of the grand chamberlain of Planet Q - his spark was completely extinguished in his last act of sacrifice. Alpha

S1·E34 Core

Crash Course

Aug 27, 2004 · 30 min

The Autobots hold a race to unwind for a bit. Megatron challenges Shockblast to a fight.

S1·E35 Core

Omega Supreme

Sep 3, 2004 · 30 min

Galvatron begins to activate Unicron, and Omega Supreme joins the Autobots to try and stop him from destroying Alpha Q's planets.

S1·E36 Core

A Heroic Battle

Sep 10, 2004 · 30 min

Unicron is complete! Now Optimus Prime must use his Spark of Combination to Powerlink with Omega Supreme - be will it be enough to stop the Chaos Bringer?

S1·E37 Core

The Power

Sep 17, 2004 · 30 min

The Autobots find a weak spot in Unicron's armor. Meanwhile, some very interesting transformations are taking place on the Decepticon team.

S1·E38 Core

Optimus Supreme

Sep 24, 2004 · 30 min

The Autobots struggle to stop Unicon's planet-destroying rampage. Their only hope is Optimus Supreme.

S1·E39 Core

Unicron Perishes

Oct 1, 2004 · 30 min

Fueled by the light of Primus, the remaining Cybertron warriors are reborn and Optimus Supreme goes toe-to-toe with Unicron.

S1·E40 Core

Ambition

Oct 8, 2004 · 30 min

Galvatron has survived the battle between Unicron and Optimus Supreme and launches an assault on Cybertron itself.

S1·E41 Core

Wishes

Oct 15, 2004 · 30 min

With the power of Super Energon, Galvatron becomes invincible and takes control of Cybertron with the help of Bruticus and Buildron.

S1·E42 Core

Galvatron!

Oct 22, 2004 · 30 min

Galvatron has Six Shot start moving Cybertron towards the planet where Alpha Q's "soul" is. The Miranda II gets hit and crashes into Cybertron.

S1·E43 Core

Break Through

Oct 29, 2004 · 30 min

Optimus Prime and the other Autobots try to break through the Energon grid.

S1·E44 Core

The Omega Train

Nov 5, 2004 · 30 min

The Autobots split up and with the help of other autobot rebels they attempt to find and free Kickers family and Cybertron. Megatron gets Cybertron through the space bridge. Alpha

S1·E45 Core

Deception Army

Nov 12, 2004 · 30 min

Kicker searches for his family below Cybertron, while Galvatron and a damaged Optimus square off on the planet's surface.

S1·E46 Mytharc

Ironhide Team

Nov 19, 2004 · 30 min

The Autobots are in disarray trying to avoid detection from Galvatron, while Ironhide faces a showdown with Scorponok.

S1·E47 Core

Formidable

Nov 26, 2004 · 30 min

The Autobots try to break into the control room to stop Cybertron from getting through the Warp Gate, while Optimus looks for Unicron.

S1·E48 Core

Galvatron Terror

Dec 3, 2004 · 30 min

Galvatron makes his way to the Super Energon temple but is ambushed by Six Shot. Who will succeed in obtaining the Super Energon?

S1·E49 Core

Destructive Power

Dec 10, 2004 · 30 min

Grown to titanic proportions thanks to Super Energon, Galvatron tows Cybertron to Alpha Q's palnets. Meanwhile Roadbuster faces off against Scorponok

S1·E50 Mytharc

Spark

Dec 17, 2004 · 30 min

Both expanded to enormous proportions, Grand Convoy and Galvatron wage their final battle on Jungle Planet. Will Grand Convoy be able to seal Unicron using the Spark of Combination

S1·E51 Mytharc

The Sun

Dec 24, 2004 · 30 min

Primus plans to use the essenece of Unicron combined with the Super Energon to light Alpha Q's planets. The Autobots must use the Spark of Combination one last time to perform the

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