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SonicXposter
The following is a list of episode summaries of Sonic X , an anime based on the Sonic the Hedgehog video game series. Its original run was on Sundays from 6 April 2003 to 28 March 2004 with 52 episodes in total which are collectively known as Japanese "Series 1". Episodes 53-78, which are collectively known as "Series 2", never aired on TV or released on DVD in Japan but were available through rental streaming services. These episodes were first broadcast on TV in some other countries before they aired on US/UK Television.

The English dub of the episodes were produced by 4Kids Entertainment (which aired on FOX on the Saturday morning block FoxBox, later renamed 4Kids TV, from 2003 to 2006). Episodes 1-52 were split were referred to as Seasons 1 and 2, each 26 episodes long, and episodes 53-78 were referred to as Season 3. However, the Saga Set DVD releases split the first two seasons further into six seasons, with each set containing 13 episodes.

Episode List

Season 1

# English dub title

Original title (Japanese)

Original airdate (JP) Original airdate (US)
1 "Chaos Control Freaks"

"超音速ヒーロー登場!" (Chō Onsoku Hīrō Tōjō!? lit. "Supersonic Hero Appears!")

6 April 2003[1] 6 September 2003
While trying to retrieve the 7th Chaos Emerald from Dr. Eggman, Sonic and Friends are transported to the human world where Sonic is rescued by a boy named Chris. 
2 "Sonic to the Rescue"

"潜入!エリア99" (Sennyū! Eria Kyūjūkyū? lit. "Infiltrate! Area 99")

13 April 2003[2] 13 September 2003
When Sonic discovers that Cream and Cheese are being held captive by the military, Sonic, with the help of Chris' grandfather Chuck, finds and frees them only to be caught in a trap until Tails comes to the rescue. 
3 "Missile Wrist Rampage"

"Dr.エッグマンの野望" (Dr. Eggman no Yabō? lit. "Dr. Eggman's Ambition")

20 April 2003[3] 20 September 2003
When Eggman tries to use E-23 to take over the world Amy, Knuckles and Tails launch an unsuccessful counterattack, until Sonic arrives, and with a ring from Tails, destroys E-23 and saves Amy with the help of Knuckles. 
4 "Chaos Emerald Chaos"

"カオスエメラルドを手に入れろ!" (Kaosu Emerarudo wo Te ni Irero!? lit. "Get the Chaos Emerald!")

27 April 2003[4] 27 September 2003
Chris' teacher is replaced with Mr. Stewart, the President's spy, and the first Chaos Emerald appears at a construction site, it's then a race to the emerald between Eggman and Sonic and friends, with Chris stealing it from Eggman's mobile, and Sonic rescuing him from a nasty drop. 
5 "Cracking Knuckles"

"激突!!ソニックvsナックルズ" (Gekitotsu!! Sonikku Bāsazu Nakkuruzu??lit. "Clash!! Sonic vs Knuckles")

4 May 2003[5] 4 October 2003
After Eggman tricks Knuckles into blaming Sonic for being stuck in the human world, Knuckles challenges Sonic to a duel allowing Eggman to capture Chris, Amy and Tails using E-47, but Knuckles realizes he's being duped and teams up with Sonic to destroy the robot and save the others. 
6 "Techno-Teacher"

"熱戦!スクール・ウォーズ" (Nessen! Sukūru Wōzu? lit. "Fierce Battle! School Wars")

11 May 2003[6] 11 October 2003
Eggman tries to use his robot, Intellihente, to brainwash Chris' class but when Intellihente winds up teaching more than brainwashing, Eggman steps in to put the children in permanent detention until a worried Sonic arrives, destroys the robot and saves the class. 
7 "Party Hardly"

"大混戦!クリスのホームパーティー" (Daikonsen! Kurisu no Hōmu Pāti? lit. "Giant Free-for-All! Chris' Home Party")

18 May 2003[7] 18 October 2003
When Mr. Stewart drops by for a surprise visit, Chris and Chuck are able to keep Sonic and Friends' stay a secret but after the S-Team Leader, Chris' uncle, arrives things get messier and everyone including Ella and Mr. Tanaka find out Chris' secret. 
8 "Satellite Swindle"

"緊急発進!Xトルネード" (Kinkyū Hasshin! Ekkusu Torunēdo? lit. "Emergency Launch! X-Tornado!")

May 25, 2003[8] 25 October 2003
After Eggman discovers that he is being watched by the military he sends E-90 to swallow the satellite, but this disrupts all television so Chuck and Tails turn Tornado into Tornado X allowing Sonic to enter space and destroy E-90. 
9 "The Last Resort"

"渚のエミー" (Nagisa no Emī? lit. "Amy on the Beach")

1 June 2003[9] 1 November 2003
After Chris, Amy, Cream and Cheese arrive at a resort, Eggman appears and tries to take over but Sonic arrives and tries to stop him only to be saved by Amy from E-39. 
10 "Unfair Ball"

"激闘!ソニック野球軍" (Gekitō! Sonikku Yakyūgun? lit. "Fierce Fight! Sonic Baseball Team")

8 June 2003[10] 8 November 2003
It's Team Sonic vs Team Eggman in a baseball game for a Chaos Emerald, Team Sonic falls behind at first but then wins with a Sonic super-play, only to have Eggman steal the Emerald in the end. 
11 "Fly Spy"

"美しき怪盗ルージュ" (Utsukushiki Kaitō Rūju? lit. "The Beautiful and Mysterious Thief Rouge")

15 June 2003[11] 15 November 2003
The President plants a fake emerald to try and attract Sonic but Rouge takes the bait instead and winds up searching Eggman's base, with Topaz, for a Chaos Emerald, until she encounters E-70 and has to make an escape. 
12 "Beating Eggman, Part 1"

"エッグマン基地 総攻撃!(前編)" (Egguman Kichi Sōgeki! (Zenpen)? lit. "Eggman's All-Out Base Attack! (Part one)")

22 June 2003[12] 22 November 2003
Tails and Chris discover the third Chaos Emerald in a field and fly for it in the X-Tornado but Eggman and E-51 catch up and trap them, meanwhile Rouge and Topaz launch an attack on Eggman's base. 
13 "Beating Eggman, Part 2"

"エッグマン基地 総攻撃!(後編)" (Egguman Kichi Sōgeki! (Kōhen)? lit. "Eggman's All-Out Base Attack! (Part two)")

29 June 2003[13] 29 November 2003
Sonic saves Tails and Chris from E-51 while Eggman makes off with the Chaos Emerald, at Eggman's base Knuckles appears and helps Rouge plant explosives but they end up trapped. Sonic arrives and is attacked by Eggman and E-18 but Eggman drops the emerald and Sonic grabs it and destroys the robots and Eggman's base. 
14 "That's What Friends Are For"

"英雄ソニックを追え!" (Eiyū Sonikku wo Oe!? lit. "Chase the Hero Sonic!")

6 July 2003[14] 6 December 2003
When Sonic ignores the President's party to take Helen, a wheelchair-bound girl, to pick a flower, the President's aide responds by sending a unit to capture Sonic but Sonic outruns them all giving Helen the thrill of her life and ending up at the party. 
15 "Skirmish in the Sky"

"移動要塞エッグフォート襲来!" (Idōyōsai Eggu Fōto Shūrai!? lit. "The Flying Fortress Egg Fort Attacks!")

13 July 2003[15] 13 December 2003
Eggman reveals his new secret base, the Egg Fort, and attacks Station Square but Sonic hops in the X-Tornado and forces the Egg Fort out into the ocean where he sinks it into the water. 
16 "Depths of Danger"

"目指せ!南海の沈没船" (Mezase! Nankai no Chinbotsusen? lit. "Aim for it! The Sunken Ship in the Southern Sea")

20 July 2003[16] 17 January 2004
Sonic and Friends retrieve the fourth Emerald from a sunken ship, Eggman returns with his Egg Fort and attacks but Sonic uses a ring from Tails to destroy the robot with a Spin Attack. 
17 "The Adventures of Knuckles and Hawk"

"ナックルズ!怒りの鉄拳" (Nakkuruzu! Ikari no Tekken? lit. "Knuckles! Clenched Fists of Anger")

27 July 2003[17] 24 January 2004
After Hawk shows Knuckles the fifth Chaos Emerald Eggman's E-91 kidnaps Hawk for ransom, but during the trade Rouge enters and Chaos Emerald-keep away ensues until Knuckles defeats the robot, gets the Emerald, and receives a mysterious message from Tikal. 
18 "The Dam Scam"

"サバンナの大決闘!" (Sabanna no Dai Kettō!? lit. "Huge Shoot-out on the Savanna!")

3 August 2003[18] 31 January 2004
When Sonic, Tails, Chris and the Egg Fort crash land on the Nature Continent after a fight, Tails and Chris protest against a dam while Sonic is caught in a battle against Decoe, Bocoe, E-65 and Eggman, until Tails arrives with a ring and Sonic Spin Attacks his way to victory. 
19 "Sonic's Scream Test"

"古城の亡霊キングブーブ" (Kojō no Bōrei Kingu Būbu? lit. "The Ghost of King Boom Boo in the Old Castle")

10 August 2003[19] 7 February 2004
During Chris' mom's movie shoot in a haunted castle, Sonic and friends are sucked into a mirror and King Boom-Boo possesses Amy until Chris figures out the ghosts' weakness and frees Sonic, who saves everyone else. 
20 "Cruise Blues"

"出撃!エッグフォートⅡ" (Shutsugeki! Eggufōto II? lit. "Departure! Egg Fort II")

17 August 2003[20] 14 February 2004
Sonic and Co. are on a cruise when Eggman's Egg Fort appears inside a huge glacier. Sonic is unable to defeat three E-28 robots, until Knuckles arrives in a giant whale and together they smash the bots and the glacier, but the new Egg Fort 2 emerges from the ice and flies away. 
21 "Fast Friends"

"スピード勝負!ソニックvsサム" (Supīdo Shōbu! Sonikku Bāsazu Samu lit. "Speed Match! Sonic vs Sam"?)

24 August 2003[21] 21 February 2004
When the President's Aide uses Sam Speed to challenge Sonic to a race for publicity, Sonic refuses so the Aide hires Eggman to force Sonic to race, and despite Eggman's tricks Sonic wins the race and the Aide is fired for consorting with Eggman. 
22 "Little Chao Lost"

"夏休み・チャオ~な観察日記" (Natsuyasumi Chao~na Kansatsu Nikki? lit. "Summer Vacation ~ Chao Observation Diary")

31 August 2003[22] 28 February 2004
While Chris and Co. are looking for Cheese who is lost amongst multiple Chao, Eggman spots them, thinking they found another Emerald, unleashes E-66 but E-66 almost kills the Chao until Sonic defeats E-66 and rescues the Chao from environmental destruction. 
23 "Emerald Anniversary"

"大混乱!6カオスエメラルド" (Daikonran! 6 Kaosu Emerarudo? lit. "Mayhem! 6 Chaos Emeralds")

September 7, 2003[23] 6 March 2004
When Chris' dad buys a Chaos Emerald for a gift, Sonic and Friends, and Eggman duke it out for the emerald but Eggman unleashes Weazo and escapes with the sixth emerald while Knuckles helps Sonic defeat the robot. 
24 "How to Catch a Hedgehog"

"暴走ソニック!捕獲大作戦" (Bōsō Sonikku! Hokaku Daisakusen? lit. "Wild Sonic! Strategic Capture Operation")

14 September 2003[24] 13 March 2004
When Sonic goes berserk and can't stop running, Chris and Chuck discover that it's Eggman's E-88 behind Sonic's problem, but when Amy tries to stop it herself, she winds up in danger and it's Sonic to the rescue again. 
25 "A Dastardly Deed"

"最後のカオスエメラルド" (Saigo no Kaosu Emerarudo? lit. "The Last Chaos Emerald")

21 September 2003[25] 20 March 2004
To return home, Knuckles calls a truce with Eggman and convinces Chris to give up all their Chaos Emeralds, but Eggman betrays them and keeps all six emeralds for himself, with the seventh emerald in the hands of his robot, Lucky. 
26 "Countdown to Chaos"

"誕生!スーパーソニック" (Tanjō! Sūpā Sonikku? lit. "Birth! Super Sonic")

28 September 2003[26] 27 March 2004
When Sonic and the seventh emerald are knocked into the water after a fight with Eggman's Chaos Emerald-powered robot, Chris steals Eggman's emeralds and drops them into the water, causing Chaos Control and a mysterious island to appear.

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