Toonami Wiki
Toonami Wiki

Series Overview

Color Season Episodes U.S. Season Premiere U.S. Season Finale
1 52 January 31, 2004 March 19, 2005

Season 1 (2004)


Episode Title



English Airdate

Japanese Airdate

01 "Cybertron City" Akira Okeya Yutaka Satō
Jun Kawagoe
January 31, 2004 January 9, 2004
It's been 10 years since Megatron disappeared and the Autobots and Decepticons now work side by side with humans to harvest Energon. But the Autobots face a new threat: attacks by Transformers known as Terrorcons.
02 "Energon Stars" Akira Okeya Jun Kawagoe February 7, 2004 January 16, 2004
The Autobots prepare for the Terrorcons' second strike, but it's not where they expected.
03 "Scorpinok" Shōji Tonoike Naoki Ōhira February 14, 2004 January 23, 2004
At Desert City, the Autobots fend off the first Terrorcon attack against Earth.
04 "Megatron's Sword" Shōji Tonoike Tadao Ōkubo February 21, 2004 January 30, 2004
The survivors on Mars are attacked again, but the Autobots must turn their attention elsewhere.
05 "The New Cybertron City" Shōji Tonoike Masayuki Ōseki February 28, 2004 February 6, 2004
An energon scout team on a frozen mountain is the target of the latest Terrorcon attack.
06 "Megatron Resurrected" Akira Okeya Naoki Ōhira March 6, 2004 February 13, 2004
With the Autobots under pressure from constant attacks, things take a turn for the worse as Megatron returns from the dead.
07 "Megatron Raid" Akira Okeya Naoki Ōhira March 13, 2004 February 20, 2004
Revived, Megatron leads an assault on Ocean City, and Demolishor's loyalties are put to the test.
08 "Starscream the
Mysterious Mercenary"
Shōji Tonoike Mitsuru Kawasaki April 9, 2004 February 27, 2004
The ghostly Starscream stalks Optimus Prime, culminating in a battle on the Moon.
09 "Battle of the Asteroid
Akira Okeya Kei'ichirō Kawaguchi April 9, 2004 March 5, 2004
The Decepticons manage to hit Asteroid City and Lunar City at the same time.
10 "Energon Tower" Shōji Tonoike Naoki Ōhira April 9, 2004 March 12, 2004
The Autobots and humans work to complete an energon tower defense grid for Earth before the Decepticons can discover their plan.
11 "The Legend of
Akira Okeya Masayuki Ōseki April 9, 2004 March 19, 2004
Megatron confronts Starscream, Kicker faces the fears of his past, and a legendary Autobot returns.
12 "Crisis in Jungle City" Shōji Tonoike Oyunamu June 18, 2004 March 26, 2004
A massive attack on Jungle City drives the Autobots to carry out a desperate last-ditch plan.
13 "Kicker Beware!" Akira Okeya Mitsuru Kawasaki June 25, 2004 April 2, 2004
Kicker and the Autobots make a series of startling discoveries amid the ruins of Lunar City.
14 "Energon Grid" Akira Okeya Naoki Ōhira July 1, 2004 April 9, 2004
Megatron creates three giant comets and launches them at the Earth, intending to devastate the planet.
15 "Rodimus Friend or
Akira Okeya Naoki Ōhira July 2, 2004 April 16, 2004
Megatron suspects Scorponok of having lingering loyalty to Alpha Q, and Rodimus returns with a shocking secret.
16 "Go for Unicron!" Shōji Tonoike Masayuki Ōseki July 3, 2004 April 23, 2004
Rodimus rescues Scorponok, while the Autobots launch a powerful new starship.
17 "The Return of
Akira Okeya Dan Daiyū July 3, 2004 April 30, 2004
Following Kicker's energon instinct, the Autobots land on a frozen planet, and soon become stranded - a predicament for which Kicker blames himself.
18 "A Tale of Two Heros" Akira Okeya Mitsuru Kawasaki July 3, 2004 May 7, 2004
Ironhide follows Rodimus, determined to find out more about the mysterious Alpha Q.
19 "Battle Stations" Shōji Tonoike Kei'ichirō Kawaguchi July 3, 2004 May 14, 2004
The Autobots take on Unicron, luring him into a running battle within the space bridge.
20 "Alpha Q: Identity" Akira Okeya Masayuki Ōseki July 3, 2004 May 21, 2004
Unicron's arrival causes the Decepticons on Cybertron to rebel, while Kicker learns the truth about Alpha Q.
21 "Shockblast: Rampage" Akira Okeya Naoki Ōhira July 3, 2004 May 28, 2004
Shockblast disables Cybertron's energon grid, while Kicker tries to convince the Autobots to listen to Alpha Q.
22 "Survival Instincts" Akira Okeya Dan Daiyū August 27, 2004 June 4, 2004
Starved for energon, both Unicron's head and body begin lashing out at their respective captors.
23 "Each One Fights…" Shōji Tonoike Mitsuru Kawasaki September 3, 2004 June 11, 2004
Shockblast leads a Decepticon invasion of Cybertron, intent on destroying the planet's energon towers.
24 "Unicron Unleashed" Akira Okeya Kei'ichirō Kawaguchi September 4, 2004 June 18, 2004
Unicron's body reactivates at last, and Megatron prepares to have him devour Cybertron.
25 "Open Fire!" Akira Okeya Shigenori Awai September 4, 2004 June 25, 2004
As the Autobots push their way into Unicron's body, Shockblast betrays Megatron, and Dr. Jones sends all of Earth's energon to Alpha Q.
26 "Ripped Up Space" Akira Okeya Naoki Ōhira September 4, 2004 July 2, 2004
Unicron is defeated, creating a giant energy rift (black hole) that threatens to swallow up everyone.
27 "Team Optimus Prime" Akira Okeya Takashi Sano September 4, 2004 July 9, 2004
As the Autobots head into the black hole, Dr. Jones and his family sit around in Ocean City telling each other things they already know.
28 "Protection" Akira Okeya Mitsuru Kawasaki October 8, 2004 July 16, 2004
On the first of Alpha Q's new planets, Wing Saber takes on Shockblast, and a Megatron-controlled Scorponok leads an attack to capture energon.
29 "Imprisoned Inferno" Akira Okeya Kei'ichirō Kawaguchi October 15, 2004 July 23, 2004
Ambushed and alone, Inferno is taken to his limits and beyond by Megatron.
30 "Jungle Planet" Akira Okeya Dan Daiyū October 22, 2004 July 30, 2004
The Decepticons attack Jungle Planet, while Inferno struggles against Megatron's reprogramming, and Autobot reinforcements arrive.
31 "Bulkhead" Shōji Tonoike Shigenori Awai October 29, 2004 August 6, 2004
The energon-deprived Iron Planet is destroyed, and the Autobots must fend off the Decepticons to make sure Jungle Planet doesn't share the same fate.
32 "Farewell Inferno" Akira Okeya Naoki Ōhira November 5, 2004 August 13, 2004
As the Autobots lower energon towers to defend three of the planets, Inferno must finally decide whether he is an Autobot or a Decepticon.
33 "Scorponok's Scars" Shōji Tonoike Mitsuru Kawasaki Unaired August 20, 2004
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 Q instead used the wandering Spark of a Decepticon to recreate Scorponok, programming him to act and think the way the real Scorponok did.
Note: This episode never aired outside of Japan.
34 "Crash Course" Akira Okeya Kei'ichirō Kawaguchi November 8, 2004 August 27, 2004
The Autobots hold a race to unwind for a bit, while Megatron beats up Shockblast.
35 "Omega Supreme" Shōji Tonoike Dan Daiyū November 9, 2004 September 3, 2004
Megatron begins to activate Unicron, and Omega Supreme joins the Autobots to try and stop him.
36 "A Heroic Battle" Akira Okeya Shigenori Awai November 10, 2004 September 10, 2004
Megatron activates Unicron's body, which moves to reclaim its head.
37 "The Power of Unicron" Akira Okeya Naoki Ōhira November 11, 2004 September 17, 2004
Shockblast tries to seize control of Unicron, but can any mere mortal control the Chaos Bringer?
38 "Optimus Supreme" Shōji Tonoike Kei'ichirō Kawaguchi November 16, 2004 September 24, 2004
The Autobots struggle to stop Unicron's planet-destroying rampage.
39 "Unicron Perishes" Shōji Tonoike Mitsuru Kawasaki November 17, 2004 October 1, 2004
Giant-sized Unicron faces off with giant-sized Optimus Supreme.
40 "Ambition" Akira Okeya Takashi Sano December 31, 2004 October 8, 2004
Still alive, Megatron launches an assault on Cybertron itself.
41 "Wishes" Akira Okeya Naoki Ōhira January 7, 2005 October 15, 2004
With the power of Super Energon, Megatron becomes invincible, and takes control of Cybertron.
42 "Galvatron!" Akira Okeya Dan Daiyū January 14, 2005 October 22, 2004
Galvatron uses the energon grid to move Cybertron, then carries the fight to the Autobots aboard the Miranda II.
43 "Break Through" Shōji Tonoike Mitsuru Kawasaki
Hideaki Nakano
January 21, 2005 October 29, 2004
Kicker and the Omnicons struggle to shut off the Decepticons' energon gas grid and get Optimus's team onto Cybertron.
44 "Distribution" Akira Okeya Kei'ichirō Kawaguchi January 28, 2005 November 3, 2004
The Autobots and Decepticons compete in a virtual tournament to see who reigns supreme. In this world, old friends and foes come back to life in digital form, ready to put everything aside for the title of number one.
45 "The Omega Train" Akira Okeya Dan Daiyū February 4, 2005 November 5, 2004
Galvatron orders Six Shot to take Cybertron through the Warp Gate, while Optimus makes his way to Central City to rescue Dr. Jones and the other humans.
46 "Decepticon Army" Akira Okeya Naoki Ōhira February 11, 2005 November 12, 2004
Kicker searches for his family below Cybertron, while Galvatron and a damaged Optimus square off on the planet's surface.
47 "Ironhide Team" Akira Okeya Mitsuru Kawasaki
Hideaki Nakano
February 18, 2005 November 19, 2004
The Autobots are in disarray trying to avoid detection from Galvatron, while Ironhide faces a showdown with Scorponok.
48 "Formidable" Shōji Tonoike Takashi Sano February 25, 2005 November 26, 2004
The Autobots try to break into the control room to stop Cybertron from getting through the Warp Gate, while Optimus looks for Unicron.
49 "Galvatron Terror" Akira Okeya Kei'ichirō Kawaguchi March 4, 2005 December 3, 2004
With Optimus Prime's power at its peak, Galvatron plans to use the super energon pool to fight him. However, Six Shot has other ideas...
50 "Destructive Power" Akira Okeya Naoki Ōhira March 11, 2005 December 10, 2004
Super energon causes Galvatron to grow bigger and more powerful than ever, while the Autobots formulate a plan to bring him back down to size.
51 "Spark" Akira Okeya Kei'ichirō Kawaguchi March 19, 2005 December 17, 2004
Expanded to enormous proportions, Optimus and Galvatron wage their final battle in space and on Jungle Planet.
52 "The Sun" Akira Okeya Takashi Sano March 19, 2005 December 24, 2004
Primus plans to use the essence of Unicron to light Alpha Q's planets. Can the Autobots stop Galvatron from destroying Unicron long enough for it to happen?
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