List of Energon episodes

Season 1: 2004

#	Title	Japanese title	Writer	Director	US airdate	Japanese Airdate
1	Cybertron City	浮上! オーシャンシティ Surface! Ocean City	Akira Okeya	Yutaka Satō, Jun Kawagoe	January 31, 2004	January 9, 2004
Ten years after the defeat of Unicron, a new threat arises...
2	Energon Stars	輝け! エネルゴンスター Shine! Energon Star	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.
3	Scorpinok	メガザラックの罠 MegaZarak's Trap	Shōji Tonoike	Naoki Ōhira	February 14, 2004	January 23, 2004
At Desert City, the Autobots fend off the first Terrorcon attack against Earth.
4	Megatron's Sword	メガトロンの証 Proof of Megatron	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.
5	The New Cybertron City	新たなサイバトロンシティ A 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.
6	Megatron Resurrected	復活! ガルバトロン Resurrection! Galvatron	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.
7	Megatron Raid	デストロン襲来 Destron Invasion!	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.
8	Starscream the Mysterious Mercenary	謎の暗殺者 ナイトスクリーム The Mysterious Assassin Nightscream	Shōji Tonoike	Mitsuru Kawasaki	April 9, 2004	February 27, 2004
The ghostly Starscream stalks Optimus Prime, culminating in a battle on the Moon.
9	Battle of the Asteroid Belt	アステロイドベルトの死闘 The Asteroid Belt's Battle to the Death	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	出現! エネルゴンタワー Appear! 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 find out about it.
11	The Legend of Rodimus	ちっぽけな宇宙 This Tiny Universe	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	ジャングルシティの危機 Crisis of 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!	狙われたキッカー Kicker Targeted	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	エネルゴングリッド発動 Energon Grid Engaged	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 Foe?	敵か? 味方か? ロディマスコンボイ Enemy? Ally? Rodimus Convoy	Akira Okeya	Naoki Ōhira	July 2, 2004	April 16, 2004
Megatron suspects Scorponok of lingering loyalty to Alpha Q, and Rodimus returns with a shocking secret.
16	Go for Unicron!	めざせ! ユニクロン Target! 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 Demolishor	ダイノボットが降ってくる! A Rain of Dinobots!	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	対決! ふたりのコンボイ Confrontation! Two Convoys	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	恐怖! ユニクロン始動 Terror! Unicron Activates	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	アルファQその正体 Alpha Q's True 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	大暴れ! レーザーウェーブ Rampage! Laserwave	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	暴走! 飢えたユニクロン Out of Control! The Starving Unicron	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...	それぞれの戦い Respective Battles	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	やれ！いまできること Ah! Now It Is Possible	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!	疾風！ウイングセイバー Gale! Wing Saber	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	切り裂かれた宇宙 Ripped Up Space	Akira Okeya	Naoki Ōhira	September 4, 2004	July 2, 2004
There's a hole in the universe, dear Optimus, dear Optimus, a hole.
27	Team Optimus Prime	チームコンボイの行方 Team Convoy's Whereabouts	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	守るべき星々 The Planets that Must Be Protected	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	Improsoned Inferno	囚われのインフェルノ 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	業火! ジャングルプラネット Hellfire! 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	いざ! スプラング見参 Crucial Moment! Sprung Steps Forward	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	さらば　インフェルノ 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	Return! Our Scorponok	戻れ! われらのメガザラック	Shōji Tonoike	Mitsuru Kawasaki		August 20, 2004
The episode you never saw.
34	Crash Course	特訓だぁ! ロードバスター Special Training! Roadbuster	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	古の賢者・オメガスプリーム Ancient Sage—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	壮絶! アルファQの戦い Heroic! Alpha Q's 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	レーザーウェーブの最期 Laserwave's Last Moments	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	死闘! オメガコンボイ Struggle to the Death! Omega Convoy	Shōji Tonoike	Kei'ichirō Kawaguchi	November 16, 2004	September 24, 2004
The Autobots struggle to stop Unicron's planet-destroying rampage.
39	Unicron Perishes	ユニクロン消滅 Unicron Extinguished	Shōji Tonoike	Mitsuru Kawasaki	November 17, 2004	October 1, 2004
Giant-sized Unicron faces off with giant-sized Optimus Supreme. The crowd goes wild.
40	Ambition	ガルバトロンの蘇る野望 Galvatron's Ambition to be Revived	Akira Okeya	Takashi Sano	December 31, 2004	October 8, 2004
Still alive, Megatron launches an assault on Cybertron itself.
41	Wishes	スペリオンの希望 Superion's Hope	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!	撃沈! ミランダII世号 It's Sinking! Miranda II	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	それゆけ! オムニコン Keep Going! Omnicons	Shōji Tonoike	Mitsuru Kawasaki, Hideaki Nakano (asst. dir.)	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	必見! 夢の最強マッチ: 放映時間の異なる番外編 A Must See! The Greatest Dream Match: Extra Episode with a Different Airtime	Akira Okeya	Kei'ichirō Kawaguchi	January 28, 2005	November 3, 2004
A virtual training match pits Autobot against Autobot, Decepticon against Autobot, old bodies against new bodies, and commercial bumpers against plot advancement.
45	The Omega Train	爆走トレイン! オメガスプリーム Roaring Train! Omega Supreme	Akira Okeya	Dan Daiyū	February 4, 2005	November 5, 2004
The Autobots link up with resistance bots to plan a counter-strike while Galvatron continues to fall under Unicron's influence.
46	Deception Army	バラバラ、デストロン軍団 Scattered, the Destron 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	凄いぞ! チームロードバスター Awesome! Team Roadbuster	Akira Okeya	Mitsuru Kawasaki, Hideaki Nakano (asst. dir.)	February 18, 2005	November 19, 2004
The Decepticons struggle with a sabotaged energon grid and a group of mutated Terrorcons, Ironhide learns the trials of leadership, and Optimus Prime tries to walk to a door.
48	Formidable	オメガコンボイ再び Omega Convoy Once Again	Shōji Tonoike	Takashi Sano	February 25, 2005	November 26, 2004
The Autobots must stop Galvatron from smashing Cybertron into Plains Planet.
49	Galvatron Terror	恐ろしや! 巨大ガルバトロン Terrifying! Giant Galvatron	Akira Okeya	Kei'ichirō Kawaguchi	March 4, 2005	December 3, 2004
Six Shot and Galvatron both want the Super Energon... who will succeed?
50	Destructive Power	空前絶後! 超破壊大帝 Terrifyingly Unprecedented! Super Emperor of Destruction	Akira Okeya	Naoki Ōhira	March 11, 2005	December 10, 2004
Grown to titanic proportions, Galvatron tows Cybertron behind him, while Ironhide faces off with Scorponok.
51	Spark	コンビネーションスパークの力 Power of the Combination 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	エネルゴン、それは太陽 Energon, It Is 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?