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This group exists primarily within the Sonic X continuity.
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
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The E-Series (E-シリーズ E - shirīzu?) is a group that appears in the anime series Sonic X. It is a line of various robot models created by Dr. Eggman to serve as his main soldiers for his attempts at world conquest. While many of them have been fully dedicated to serving their creator, others, such as E-102 Gamma, have rebelled and joined his enemies.




Some time ago, Tails was walking through a forest looking for Sonic the Hedgehog when he was caught off guard by an E-12 Behemoth. Running away from the robot as fast as he could, Sonic swooped in, flying the Tornado 2 and used its guns to disable the robot. Five more Behemoths came to back up their fallen robot brother as Sonic told Tails to dive at them all. The outcome of the subsequent battle is unknown.[1]

New World Saga

After taking Cream the Rabbit hostage, Dr. Eggman set up heavy defences around his base, awaiting the arrival of Sonic the Hedgehog. These forces included the likes of E-12 Behemoths, E-13 Guardbots and E-30 Laser Tanks. E-30s were the first to directly face off against Sonic, proving little match as he dodged their fire and proceeded to use them as jumping pads to get inside the outer walls. E-12 Behemoths were then activated as the next line of defence and proceeded to chase after Sonic, one even managing to knock him back outside of the base's perimeter. It was at this point that Tails and Amy Rose came to the rescue in the Tornado 2 by passing a Ring to Sonic, who then proceeded to annihilate the E-30 Laser Tanks he had passed before and then tore through three E-12 Behemoths before getting into the tower. Sonic confronted Eggman and while distracted an E-13 Guardbot managed to sneak up behind him before launching an attack. The Guardbot then damaged Eggman's new machine that was being powered by the seven Chaos Emeralds. The damage inadvertently caused Chaos Control to occur, sending Eggman's base, his robots, the Chaos Emeralds, Sonic and his friends to Earth.[2]

Eager to continue his bid for world conquest on this new planet, Eggman proceeded to Station Square with E-23 Missile Wrist in tow. Emerging from the ocean waves on to the local beaches, Missile Wrist proceeded to cause havoc, destroying property, vehicles and sending every citizen in its path screaming. It soon came face to face with Station Square's local police forces, taking bullets like they were flies hitting a car's windshield and barely slowing down from a flamethrower attack before finally retaliating. Missile Wrist eventually made its way on top of a local office building where Eggman held a public broadcast, demanding the city surrender to him or Missile Wrist would destroy it. After trying to negotiate the hand over of the city with the Chief of Police and the Mayor of Station Square, Tails and Christopher Thorndyke in the Tornado 2 proceeded to attack Missile Wrist in a bid to stop the robot and its master. Missile Wrist managed to take out the plane's propeller, but it quickly switched into jet plane mode to resume the battle, barely dodging Missile Wrist's attacks. Soon after, Amy Rose would attempt attacking Missile Wrist from behind, only to find his armor too thick for her Piko Piko Hammer to break. Missile Wrist grabbed the pink hedgehog and held her hostage to keep the charging Knuckles in check. Soon after, Sonic finally arrived on the scene and Missile Wrist dropped Amy to focus its attacks on the blue hedgehog. Sonic proved formidable, dodging a missile barrage from E-23 and proceeding to mock it and the doctor by jumping on top of the robot's retractable missiles and dancing. On Knuckles' advice, Sonic stayed atop one missile as it returned to Missile Wrist and tricked the robot into destroying it with its other missile. After managing to dodge yet another barrage, Sonic used his Spin Attack to dive straight through Missile Wrist's head, causing the robot to be destroyed.[3] The wreckage was later recovered by the Guardian Units of the Nations and used to create their own advanced robots known as Beetles.[4][5][6]

After seeing reports on Station Square TV News that a mysterious gem found on a construction site was causing mechanical equipment to go haywire, Dr. Eggman recognized it as a Chaos Emerald and deployed E-11 Beacon to aid in retrieving it. GUN had begun watching the doctor's movements on his island base and proceeded to send missiles after him, which Beacon easily dispatched into the sea using its superior aerial maneuverability. The two of them were quickly greeted by Sonic after arriving in Station Square and Eggman ordered Beacon to attack the blue hedgehog. The moment Sonic was in the air, Beacon struck and proceeded to volley the hedgehog around in the air, not letting his feet get near the ground. After some struggle getting in close, Tails and Amy came to the rescue in the Tornado 2 and threw Sonic a Ring, allowing him to use his Spin Attack to fly through the air and destroy Beacon in a single strike.[7]

Having lost the first Chaos Emerald, Eggman devised a new scheme; Manipulate Knuckles the Echidna into thinking Sonic did not want to return home and fight him for the Chaos Emerald. With Knuckles convinced, Eggman used E-33 Buballs to send out electronic interference similar to the kind caused by Chaos Emeralds across the Silver Valley area, tricking the news and subsequently Tails, Amy and Chris Thorndyke into thinking one of the gems was there. The doctor then dispatched E-47 Pumpty and had it lie in wait in a lake. When Tails, Amy and Chris stopped by the lake for a picnic, Pumpty emerged and scooped the three of them in to its super strong holding chamber to keep them out of the way as Sonic and Knuckles fought each other nearby. As the battle waged on, Tails managed to unscrew the access panel to Pumpty's internal workings and tried to rewire it, only for Amy to pull out her Piko Piko Hammer and smash it, causing an explosion that cracked open their container. The billowing smoke caught the attention of Sonic, who spotted Eggman and quickly left the fight to stop him. The blue hedgehog quickly took out Pumpty's legs, only for the robot to transform and walk inverted and unleash gunfire on Sonic. Knuckles quickly interfered, telling Eggman to stay out of his fight. Eggman then ordered Pumpty to fly to the other side of the lake due to Sonic's adversity to water and attempted to hold Tails, Amy and Chris ransom for the Chaos Emerald, only for Sonic to run around the lake and knock the robot down. His friends freed, all seemed well until Pumpty rose again, unleashing a hail of bullets and barrage of missiles in all directions, only for Knuckles to charge through the maelstrom, punch his way to the top of the robot, shoot Eggman into the sky with one hook and destroy E-47 Pumpty with a single well placed thrust to its head.[8]

Rouge the Bat and a small group of GUN agents were later assigned to infiltrate Dr. Eggman's base and map it out with the intention of finding the power station for a later attack. Rouge became distracted looking for the Chaos Emerald in Eggman's possession and split off from the group along with Agent Topaz. The Chaos Emerald's security detail, E-70 Noizi, was activated by her presence and then attempted to try and restrain Rouge and Topaz, but only succeeded in capturing the latter. Rouge then went on the offensive, but faltered in her attack due to the loudness of Noizi's powerful ultrasound speakers. Noizi's attack doubled as a burglar alarm and an E-12 Behemoth, an E-13 Guardbot and E-14 Sneezer were dispatched to reinforce it. The Guardbot led the charge and fired on Rouge, almost hitting Noizi and causing it to cease its attack momentarily as Sneezer proceeded to fire missiles upon the bat girl, blowing a hole in the floor that exposed the power station's location. Rouge went for another attack on Noizi, but the robot's attacks were still too much for her. The E-13 Guardbot fired on Rouge again, but she managed to dodge the bullets in such a way that the attack instead hit the E-14 Sneezer, disabling its "eye" causing it to fire on the E-12 Behemoth and the container storing the Chaos Emerald, destroying both. Rouge then remembered the bomb that GUN had attached to her wrist in case she betrayed them and cut it off herself before the E-13 Guardbot unleashed another attack. Flying into the air, she threw the bomb inside Noizi's speaker and told Topaz to detonate the bomb. With no effective defences left, Rouge finally managed to defeat the robot with her Screw Kick attack, causing it to explode in a massive fireball shortly after she and Topaz made their escape.[4]

In a bid to capture the third Chaos Emerald, Dr. Eggman brought E-35 Funfun to Tingalin Villa where Tails, Amy Rose, Chris Thorndyke and Frances were also searching in the X Cyclone.[9] The heroic band of youngsters did their best, but the incredibly powerful fan of Fun-Fun was too much to bear and Tails and the X Cyclone were almost crushed under the foot of the robot.[9][10] Sonic arrived not a moment too soon and quickly threw the machine off balance, knocking it on to its back and directing the powerful winds towards Eggman, forcing him high into the sky in his Egg Mobile. Fun-Fun rose to its feet in a final bid to take them out, only for Sonic to deactivate it using a precise hit and the power of a Ring.[10]

Meanwhile, GUN put their plan to attack Dr. Eggman's base into action while he was away in pursuit of the third Chaos Emerald. With their master gone, Decoe and Bocoe proceeded to command Eggman's forces to counterattack, deploying an E-14 Sneezer to attack the naval vessels along with a E-13 Guardbot and a rebuilt E-11 Beacon to take on the government's attack aircraft, proving quite effective. As the base was being assaulted, a small infiltration group managed to get inside from the rear of the base and an E-12 Behemoth was launched to deal with them, but was easily taken out when Rouge distracted it and Topaz planted a bomb on its "foot" and was detonated, causing the floor beneath it to crumble away under the robot's weight. Dozens more E-14 Sneezers were deployed outside to deal with the growing assault. A two-pronged attack was then unleashed against the GUN agents inside the base, with an E-12 Behemoth taking on Rouge as her group went on ahead and then roughly ten E-13 Guardbots opened fire on the agents, only to be quickly destroyed by the timely arrival of Knuckles the Echidna.[9][10]

Arriving back at his base with two Chaos Emeralds in his possession, Dr. Eggman wasted no time installing both into his new robot, E-18 Guerra-Hard, and waited for Sonic to join the fight. Once the blue hedgehog was inside Eggman's base, the doctor took direct control of his giant machine and using its incredible strength and speed managed to throw Sonic around like a rag doll, eventually pinning him against a wall. Sonic managed to push back against the hand restraining him until he could run free and eventually scaled the titanic automaton and pierced his way into its chest, retrieving the two Chaos Emeralds and used their power to destroy the robot and the rest of Eggman's base, along with some help from the explosives planted in the base's power station by the GUN agents.[10]

Chaos Emerald Saga

After hearing from Decoe and Bocoe that Knuckles' friend Hawk had found the fifth Chaos Emerald, Eggman deployed E-91 Lady Ninja to steal it from them. She disguised herself as a taxi driver in Oriental City and took Knuckles and Hawk to an abandoned subway where the gem was hidden. Lady Ninja soon discovered she was not the only one stalking the pair, as Rouge the Bat tried to follow the two treasure hunters underground, but was quickly knocked unconscious by Lady Ninja. Lady Ninja than proceeded to restrain Hawk as Eggman distracted Knuckles with a hologram of himself. Removing her disguise and going straight for the Chaos Emerald, Lady Ninja pulled it from Hawk's hands using her chain weapon and it came flying towards her. Knuckles took this opportunity to kick a bucket into her face and Lady Ninja retaliated. She proceeded to attack Knuckles and Hawk but missed both of them, creating severe structural damage and causing the subway to collapse with the Chaos Emerald trapped under the rubble. When Knuckles and Hawk returned later to salvage the jewel, Lady Ninja kidnapped Hawk and held him for ransom, demanding Knuckles meet her in Orient New Town for the exchange. That night atop a building under construction, Knuckles met with Lady Ninja as Hawk was suspended from a crane. Knuckles tossed the Chaos Emerald to her in a bag, only for Rouge to knock it into the streets below. E-91 used her kite technique to glide after the bat girl. Rouge used a flare gun to set her kite ablaze, but Lady Ninja used a shuriken to cut the bag open and cause the Chaos Emerald to land in the market below. Using her flying squirrel technique, she now had to chase after Knuckles and Hawk who had recaptured the stone. She managed to corner Hawk in a dead-ended alley and take the Chaos Emerald from him and then took on Knuckles in hand-to-hand combat. She managed to subdue him in her electric net, but Hawk threw a bucket of water over her, causing her to short circuit, and Knuckles delivered a punch so powerful it sent her flying into the sky.[11]

Chaos Saga

After discovering a legendary amorphous being known as Chaos, Eggman planned to bring it to full power to destroy Station Square and build the Eggman Empire on the ruins of the city. To that end, he invented six new robots known as the E-100 Series; E-100 Alpha (or ZERO), E-101 Beta, E-102 Gamma, E-103 Delta, E-104 Epsilon and E-105 Zeta. Beta, Gamma, Delta and Epsilon were powered by animals and initial tests proved promising with their fine marksmanship on the shooting range and unflinching obedience.[12] ZERO was the first one to see action in the field, being sent after a bird who was in possession of a Chaos Emerald that had escaped from the Egg Carrier. ZERO traveled down Station Square and after finding the bird (who had been named "Lily") in Amy Rose's care, kidnapped them both, and flew back to the Egg Carrier moments before Sonic could arrive to save them.[1]

Shortly afterward, Beta, Gamma, Delta and Epsilon were given the task of finding a frog that was in possession of both a Chaos Emerald and Chaos' tail. All four robots managed to find a frog, but Gamma was the one to find the right frog, having stolen him from Big the Cat and Chris who were also searching nearby. All of them returned to the Egg Carrier to present their findings, leading to Eggman becoming incredibly angry with their apparent incapability and stupidity. When he saw that Gamma had retrieved the correct frog, he dismissed the others as useless and teleported them away, sending Beta for upgrades to become E-101 "Kai", Delta to be tied to a rock pillar in Windy Valley, and Epsilon left in a cave.[13][14] This event marked a change in direction for the E-100 Series. Gamma was next ordered to retrieve Lily from Amy Rose in her cell, but was so distracted by the events that had taken place, and after suddenly seeing a vision of Lily, he accidentally walked into a room where Beta was being upgraded, but was reminded by Eggman of his orders and headed again for Amy's cell. Gamma threatened the pink hedgehog at gun point, but she staunchly refused and made Gamma question its motives. At this point, Lily flew through the cell's bars, looking Gamma in the eye and the robot clutched its head in pain before telling Amy to flee and blowing open the cell. Gamma then looked back at Lily who had still not left and told her directly to leave.[13] Before they left, Amy told Gamma that the next time they meet they would be friends and Gamma, contemplating this thought, returns to serving Eggman whilst still thinking about Lily.[13][15] Gamma was soon after called upon by Eggman to head to rear deck of the Egg Carrier and was ordered to shoot Sonic. Amy tried to break up the fight, telling Sonic that Gamma was good. The blue hedgehog initially hesitated, but the robot did not hold back in its attack and Sonic quickly knocked Gamma to the ground, disabling it. Before he could finish Gamma off however, Amy stopped him. Amy then managed to re-activate Gamma and told the robot that it did not have to listen to Eggman any more and should flee as well.[15]

After flying off the Egg Carrier and landing in a mountainous region, Gamma thought over all that had happened and deleted Eggman's designation as its master and went to free Beta, Delta and Epsilon, having visions of birds. Gamma first released Delta, erasing Eggman as its master and shutting the robot down, releasing the rabbit animal trapped inside. Gamma then did the same with Epsilon, making sure to destroy the statue of Eggman before he left to find Beta and Zeta on the Egg Carrier. Along with them was ZERO, who had been stranded in the Egg Carrier with Decoe and Bocoe. The three robot minions quickly discovered Amy and attempted to capture her, only for Amy to outwit Decoe and Bocoe and knock ZERO aside with her Piko Piko Hammer. Meanwhile, Gamma had successfully disabled Zeta when Beta, now upgraded to E-101 "Kai," attacked Gamma. The rebellious robot tried to reason with Beta, but his obedience to Eggman would not be broken. Amy Rose again tried to break up Gamma's fight, but the two robots struck each other down, arms entwined as their metal bodies went down in flames. Following their destruction, the birds powering Gamma and Beta were released, revealing them to be Lily's siblings.[14]

Emerl Saga

Metarex Saga

After saving the Resistance of planet Cascade from the Metarex, Dr. Eggman, Shadow, Rouge, Decoe, Bocoe and Bokkun were asked to join their forces, but only agreed to (under false pretenses) in return for helping them find a Chaos Emerald. Suspecting that the Resistance's leader, Leon, was not being honest with him, Dr. Eggman eavesdropped on him and discovered he was working with Pale Bayleaf. Leon held the doctor at gunpoint and planned to turn Eggman over to the Metarex, along with assassinating Eggman's allies and his own teammate, Molly. Eggman was quickly saved by E-3000, who destroyed the roof of the building he and Leon were in, knocking the Resistance leader to the ground. Eggman, Decoe and Bocoe proceeded to head back to the Crimson Egg, only for the Resistance to try and stop them using their spacecraft. E-3000 snatched the ships out of the air with ease and threw them into the ground like lawn darts. It was at this moment Pale Bayleaf's Battleship along with a small fleet of Metarex ships attacked to try and capture Eggman, although the scientist ultimately evaded capture.[16]

Archie Comics


SX S1E03 Eggman let's play cards

The cards with unidentified E-Series units.

  • When Eggman chooses robots with his cards, several E-Series robots (or parts of them) that were never used in the Sonic X series can be seen.
  • When Dr. Eggman selects robots via his cards and slot machine, robots that had been destroyed in previous episodes are visible (most obviously E-23 Missile Wrist), possibly indicating he mass produces them. Admittedly, this is recycled footage that we see in the episodes, but given how we see multiple E-12 Behemoths, E-13 Guardbots, E-14 Sneezers, E-30 Laser Tanks, E-33 Buballs, E-39 Quizons, E-43 Falcons and even see E-11 Beacon again after its destruction, it is plausible.
  • In the English dub of "Pure Chaos", Dr. Eggman incorrectly refers to the E-100 Series as the E-Series. This is seemingly a translation error, as in the Japanese version of the episode Eggman correctly refers to them by their proper designation of the E-100 Series.



See also


  1. 1.0 1.1 Yoshimura, Kiyoko (25 September 2004). "A Chaotic Day". Sonic X. Season 2. Episode 28.
  2. Masaki, Hiro (23 August 2003). "Chaos Control Freaks". Sonic X. Season 1. Episode 1.
  3. Masaki, Hiro (20 September 2003). "Missile Wrist Rampage". Sonic X. Season 1. Episode 3.
  4. 4.0 4.1 Masaki, Hiro (15 November 2003). "Fly Spy". Sonic X. Season 1. Episode 11.
  5. Houjou, Chinatsu (6 March 2004). "Emerald Anniversary". Sonic X. Season 1. Episode 23.
  6. Masaki, Hiro (27 March 2004). "Countdown to Chaos". Sonic X. Season 1. Episode 26.
  7. Masaki, Hiro (27 September 2003). "Chaos Emerald Chaos". Sonic X. Season 1. Episode 4.
  8. Yoshimura, Kiyoko (4 October 2003). "Cracking Knuckles". Sonic X. Season 1. Episode 5.
  9. 9.0 9.1 9.2 Masaki, Hiro (22 November 2003). "Beating Eggman, Part 1". Sonic X. Season 1. Episode 12.
  10. 10.0 10.1 10.2 10.3 Masaki, Hiro (29 November 2003). "Beating Eggman, Part 2". Sonic X. Season 1. Episode 13.
  11. Shiraishi, Masahiko (24 January 2004). "The Adventures of Knuckles and Hawk". Sonic X. Season 1. Episode 17.
  12. Yoshimura, Kiyoko (18 September 2004). "Pure Chaos". Sonic X. Season 2. Episode 27.
  13. 13.0 13.1 13.2 Houjou, Chinatsu (2 October 2004). "A Robot Rebels". Sonic X. Season 2. Episode 29.
  14. 14.0 14.1 Shiraishi, Masahiko (16 October 2004). "Revenge of the Robot". Sonic X. Season 2. Episode 31.
  15. 15.0 15.1 Urasawa, Yoshio (9 October 2004). "Head's Up, Tails!". Sonic X. Season 2. Episode 30.
  16. "A Revolutionary Tale". Sonic X. Season 3. Episode 68. 18 February 2006.

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