List of Sonic Underground episodes

This is a list of episodes from the Sonic Underground TV series. It first premiered in France on 6 January 1999 and aired on TF1 on the TF! Jeunesse block on Wednesdays and Sundays. The show later premiered in English in the UK on 2 May 1999 and aired on ITV1 on Sunday mornings. ITV1 aired the first 18 episodes in the original UK run before cancelling the show. Sonic Underground premiered in USA on 30 August 1999 and aired on the Bohbot Kids Network syndication block on weekday mornings at 6:00 AM Central Time.

Episodes

#	Episode title	Episode song	Written by	Original air date (France)	Original air date (United States)
1	"Wedding Bell Blues"	When Tomorrow Comes	Ben Hurst and Pat Allee	6 January 1999	4 October 1999
Dr. Robotnik plots to become the king of Mobius. His first attempt was to marry Queen Aleena, which did not work due to the limited amount of money Robotnik had. His second attempt was to adopt Queen Aleena's daughter Sonia. In order to do this, he had Sleet and Dingo capture all of the hedgehogs and give Sonia to Robotnik so he could adopt her. Robotnik was almost successful until Queen Aleena demanded Robotnik not to adopt her.
2	"To Catch a Queen"	Have You Got the 411?	Doug Booth	10 January 1999	31 August 1999
Argus, the former captain of the Queen's guard, arranges a secret meeting with her but he is soon intercepted by Robotnik's bounty hunters, Sleet and Dingo, who have every intention of feeding the soldier to the Roboticizer. Then Sonic, Sonia, and Manic attempt to rescue him.
3	"Mobodoon"	I've Found My Home	Peter Hunzinger	13 January 1999	1 September 1999
Evading Sleet and Dingo the hedgehogs find themselves in a town completely untainted by Robotnik where Sonic and his siblings find the people to be nice, and the food is free. After using the Power Stone, the siblings discover that this is where they were born. Manic starts to become attached to the place and reports that this is he wants to stay.
4	"The Price of Freedom"	Money Can't Buy	Martha Moran	17 January 1999	2 September 1999
Sonia, after getting dirty on one of her missions, drives to East Mobius; Sonic and Manic follow her after receiving news that Queen Aleena had been spotted there. There, Sonia is reunited with an old friend, Mindy LaTour, and her father. Mindy gives Sonia a watch. Unknown to the girls though, the timepiece is a tracking device designed by Robotnik. Sonia finds out, and soon, Mindy's estate is swarming with similar wristwatch-style robots, all being programmed to capture the hedgehogs.
5	"Underground Masquerade"	Let The Good Times Roll	Rick Merwin	20 January 1999	3 September 1999
Sonic and Sonia become concerned after Manic reportedly begins to "backslide to his old ways" when he discovers a band of thieves led by Max. Sleet and Dingo are plotting to avoid giving the taxes they are collecting to Robotnik. They choose Manic to frame for a theft.
6	"Tangled Webs"	Teach the Children, Light the Way	Ben Hurst and Pat Allee	24 January 1999	6 September 1999
Sonic meets up with his friend Cyrus. While Sonic believes that Cyrus has joined the Freedom Fighters, he is actually working for Dr. Robotnik. When he finds out that the Freedom Fighters' "sanctuary" is for children he destroys Robotnik's communicator. Sonic, Sonia and Manic try to get him away from Robotnik.
7	"The Deepest Fear"	Face Your Fear	Michael Edens and Mark Edens	27 January 1999	7 September 1999
On a trip to Port Mobius Sonic, Manic and Sonia are told that ships are sinking due to the Mobian sea-beast Moby Deep. The hedgehogs also meet Captain Squeege who informs them of a scam in which the townspeople must rely on Robotnik for protection from the sea monster. In reality it is Robotnik who is sinking the ships. Sonic is urged to overcome his fear of water and the monster to find the truth and end the fears of the seaside town.
8	"Who Do You Think You Are"	We Need to Be Free	Ben Hurst and Pat Allee	31 January 1999	8 September 1999
The Sonic Underground arrive in Tashistan in search of the Queen's Journal. Sonia loses her memory and meets Raphi, one of the town's resistance.
9	"The Last Resort"	Listen to Your Heart	Michael Edens	3 February 1999	9 September 1999
While escaping from Sleet and Dingo, Sonic, Sonia, and Manic come across Lake Valley Resort. Lake Valley Resort is led by Stripes, who believes that making deals with Robotnik is safer than fighting Robotnik. When Robotnik asks if there are any new people staying at Lake Valley Resort, he reveals that Sonic and Manic are there, leaving out Sonia.
10	"Come Out Wherever You Are"	Society Girl	Ben Hurst and Pat Allee	7 February 1999	10 September 1999
Bartleby, with the aid of Robotnik, invites Sonia to the Debutante Ball. Meanwhile, Robotnik comes out with the predator, an animal-like machine that will capture and robotisize all members of the resistance. When the resistance hijacks the predator, Sonia is chosen to lead the captured members of the resistance to safety.
11	"Winner Fakes All"	Built for Speed	Mark Edens	10 February 1999	13 September 1999
Robotnik has created a super-fast robot and he's organized a race for the top athletes of Mobius and the robot.
12	"A Hedgehog's Home is Her Castle"	Let's Do It to It	Len Janson	14 February 1999	14 September 1999
Sonia inherits a spooky and dilapidated castle and she enjoys the idea of making it the Underground headquarters. They also choose to stay there overnight.
13	"Artifact"	You Can't Own Everything	Michael Edens	17 February 1999	15 September 1999
In order to raise money for his own cause, Robotnik auctions off artifacts from the lost city of Mobupinchu. But these artifacts are actually bombs, and they are about to go off.
14	"Bug!"	Never Give Up	Len Janson	21 February 1999	16 September 1999
The Sonic Underground finds a village that has been destroyed by its Freedom Fighter occupants. The Sonic Underground find that it seems to have something to do with Robotnik's flybots which are all over the desert, as Manic finds out when one of them injects him with a mind-control toxin, making him a slave to Dr. Robotnik.
15	"Sonic Tonic"	The Fastest Thing Alive	Mark Edens	24 February 1999	17 September 1999
Using the essence of a rare plant Robotnik manages to create a potion that could grant Sleet and Dingo the ability to run at the speed of Sonic.
16	"Friend or Foe ?"	Not Always What They Seem	Kevin Donahue	28 February 1999	20 September 1999
The band visit the Floating Island in search of their mother. There they meet Knuckles the Echidna, the island's guardian, who has been falsely told by Sleet and Dingo that the Sonic Underground is after the Chaos Emerald. Knuckles jumps to conclusions and while Knuckles and Sonic battle each other Sleet and Dingo seek to steal the Emerald.
17	"Head Games"	Take a Chance	Michael Edens	3 March 1999	21 September 1999
Queen Aleena tells Sonic, Sonia, and Manic that they are needed in Speedster Island, where they worship stone heads of Mobian hedgehogs. Sonic, Sonia and Manic discover that Sleet and Dingo are scaring the fish away so people who live on Speedster Island move out. Meanwhile, Bartleby wants to turn Speedster Island into a modern resort for wealthy people, with Sleet and Dingo pretending to help. When Sonic, Sonia, and Manic arrive on Speedster Island, Sleet and Dingo capture the hedgehogs, while breaking the promises he made to Bartleby and the people who live on Speedster Island.
18	"When in Rome..."	Where There's a Will, There's a Way	Len Janson	7 March 1999	22 September 1999
As a test of the hedgehogs' intellect and wit, the Oracle strips them of their powers and sends them into an alternate, Roman-themed reality where a Sleet-look-alike presides as Emperor.
19	"The Jewel of the Crown"	The Cosmic Dance	Mark Edens	10 March 1999	23 September 1999
Queen Aleena's Royal Jewel can reportedly trace the location of Queen Aleena. Having apparently found the jewel Sonic, Sonia and Manic think they may have found their mother at last. It is actually a trap to capture Robotnik they've just fallen into.
20	"Three Hedgehogs and a Baby"	Being a Kid Is Cool	Len Janson	14 March 1999	24 September 1999
While in Mobotropolis Sonic, Sonia and Manic find an abandoned baby hedgehog. While Sonic and Sonia search for its parents Manic is left to look after it and utilizes his mothering instincts. The baby is actually a robot and Robotnik almost uncovers the Freedom Fighters' sanctuary.
21	"Dunes Day"	True Blue Friend	Mark Edens	17 March 1999	27 September 1999
The Sonic Underground come across a nomadic tribe whilst journeying through the desert. Manic claims to not trust the tribe's leader "Ifyoucan". He sets off to find out the truth and uncovers a shocking secret.
22	"Mummy Dearest"	Mummy Wrap	Ben Hurst and Pat Allee	21 March 1999	28 September 1999
The Sonic Underground journey through the treacherous Mobian desert as they try to locate a hidden temple filled with prophecies of Robotnik's defeat.
23	"Hedgehog in the Iron Mask"	Part of the Problem	Bob Forward	24 March 1999	29 September 1999
The Sonic Underground rescue a prisoner from one of Robotnik's towers – a hedgehog wearing a mask. The prisoner claims he is the hedgehogs' uncle and twin brother of Queen Aleena. It is a sinister ploy by Robotnik to split the Sonic Underground up.
24	"Six is a Crowd"	I Can Do That for You	Len Janson	28 March 1999	30 September 1999
The hedgehogs visit the Oracle again. He sends them to an alternate dimension where they are tyrannical rulers of Mobius and Robotnik is the leader of the Freedom Fighters. They must defeat their corrupted selves and restore peace to Mobotropolis.
25	"Flying Fortress"	No One is an Island	Mark Edens	31 March 1999	1 October 1999
Chaos Emerald Crisis (Part 1 of 3). Robotnik creates a new flying fortress to lay waste to the planet. When the Sonic Underground suspect that a Chaos Emerald is keeping the fortress aloft they head to the Floating Island to enlist the help of Knuckles. Sleet and Dingo steal the Emerald before the group can reach it causing the fortress to fall into the sea.
26	"Beginnings"	Someday	Ben Hurst and Pat Allee	4 April 1999	30 August 1999
Origins (Part 1 of 3). Queen Aleena Hedgehog tells the story of how Dr. Robotnik took over planet Mobius and how she had to give up her three children Sonic, Sonia, and Manic to fulfill a prophecy that one day the siblings will be able to rise against Robotnik's rule and restore peace to the planet.
27	"No Hedgehog is an Island"	Learn to Overcome	Mark Edens	7 April 1999	5 October 1999
Chaos Emerald Crisis (Part 2 of 3). After taking off with the Chaos Emerald, Dingo accidentally breaks it unleashing the chaos energy inside. The Sonic Underground and Knuckles set off to talk to Knuckles' great grandfather Athair for advice on handling the situation. Athair advises them to make an alliance with Robotnik.
28	"Getting to Know You"	Working Together in Harmony	Ben Hurst and Pat Allee	11 April 1999	6 October 1999
Origins (Part 2 of 3). The newly reunited Sonic Siblings must learn to work as a team if they are to do battle with Robotnik.
29	"New Echidna in Town"	The Mobius Stomp	Mark Edens	14 April 1999	7 October 1999
Chaos Emerald Crisis (Part 3 of 3). Knuckles bargains with Robotnik in order to recover and repair the Chaos Emerald before Mobius is destroyed but, to acquire the villain's help, the echidna must betray the Hedgehogs. After rescuing his friends from the Roboticizer, Knuckles and the Sonic Underground must now combat Dingo transformed by the chaos energy into a monster.
30	"Harmony or Something"	We're All in This Together	Ben Hurst and Pat Allee	18 April 1999	8 October 1999
Origins (Part 3 of 3). Sonic, Sonia and Manic go on a mission to rescue the Oracle from Robotnik.
31	"Country Crisis"	How You Play the Game	Laren Bright	21 April 1999	11 October 1999
The Sonic Underground are on a mission to stop a group of hillbillies from feuding so they can stop Robotnik's building project from flooding the countryside.
32	"Haircraft in Space"	Don't Be a Backstabber	Tracy Berna	25 April 1999	12 October 1999
A salon robot is hypnotizing people that go to her salon into revealing deep secrets. When Sonia goes she reveals the location of their new base.
33	"Healer"	We're the Sonic Underground	Ben Hurst and Pat Allee	28 April 1999	13 October 1999
A Mobian named Titus creates a machine that can de-robotisize robots called the De-Roboticizer. When Robotnik and his crew go after it, it may do more harm than good.
34	"Sonia's Choice"	Never Easy	Ben Hurst and Pat Allee	2 May 1999	14 October 1999
Robotnik is about to auction four royal goblets in Anèz. When the hedgehogs take the goblets back Sonic and Manic are captured. At both ends of the city are Roboticizers with one of Sonia's brothers inside.
35	"The Big Melt"	Fun in the Sun	Len Janson	5 May 1999	15 October 1999
What started as a vacation for Sonic, Sonia and Manic gets ruined by Dr. Robotnik when he comes up with a plan – to melt the polar ice caps. Sonia gets split up from the group and mistaken for Queen Sauna by a group of penguins who are having troubles of their own.
36	"Sleepers"	Have It All Again	Ben Hurst and Pat Allee	9 May 1999	18 October 1999
Robotnik invents a new dart that induces sleep and sends them after the resistance. The hedgehogs attempt to stop them from the source. Manic is hit by the sleeper darts. After destroying the sleepers, they attempt to destroy the fuel source in the Bad Lands' Mine.
37	"Bartleby the Prisoner"	Justice Calling	Elenor Burian-Mohr and Terence Taylor	12 May 1999	19 October 1999
Bartleby is placed under arrest for helping out the resistance.
38	"The Art of Destruction"	The Sound of Freedom	Laren Bright	16 May 1999	20 October 1999
The Sonic Underground come across ARTT (Artificial Robot Thought Technology), Robotnik's new robot, that can think and learn for itself. ARTT soon learns the power of friendship and switches to the Resistance. This gives Sleet the opportunity to finish off ARTT and the hedgehogs before time runs out.
39	"The Pendant"	Lady Liberty	Ben Hurst and Pat Allee	19 May 1999	21 October 1999
While combating Sleet and Dingo in the newly discovered Emerald Peninsula Sonia finds a magic pendant that threatens to turn her invisible. Sonic and Manic race against time to find the cure to this seemingly irreversible spell before Sonia disappears forever.
40	"Virtual Danger"	Don't Let Your Guard Down	Ben Hurst and Pat Allee	23 May 1999	22 October 1999
Sonic and Manic get addicted to a new video game that is hindering Cyrus' plan to infiltrate Robotnik's base. Sonic and Manic soon find out Robotnik is behind everything and is ready to eliminate them.