List of Sonic Underground episodes

A list of episodes from the Sonic the Hedgehog series Sonic Underground.

1. Beginnings (Origins, Part 1)

:Episode song: Someday
Queen Aleena Hedgehog tells the story of how Dr. Robotnik took over Mobius, and how she had to give up her three children, Sonic, Sonia,and Manic to fulfil a prophecy exclaiming that one day, the siblings will be able to rise against Robotnik's rule and restore peace to the planet.

2. Getting to Know You (Origins, Part 2)

:Episode song: Working Together In HarmonyThe newly reunited Sonic Siblings must learn to work as a team if they are to do battle with Robotnik. But do they really know each other well enough?

3. Harmony or Something (Origins, Part 3)

:Episode song: We're All In This TogetherSonic, Sonia and Manic put their training to the test as they embark on a mission to rescue the Oracle from Robotnik! Can they work together in harmony, or will their lacking seal their own doom? Let's hope not!

4. Wedding Bell Blues

:Episode song: When Tomorrow ComesWhen Robotnik announces he plans to marry Queen Aleena, the shocked Sonic Siblings race to the rescue, unaware it's a trap...

5. To Catch a Queen

:Episode song: Have You Got The 411?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, the Sonic trio race to the rescue..

6. Mobodoon

:Episode song: I've Found My HomeEvading Sleet and Dingo, the hedgehogs find themselves in a town completely untainted by Robotnik's hand, where the people are kind-hearted, and the food is free! Sounds like an ideal place, but there is more to Mobodoon than meets the eye. After using the Power Stone, the siblings discover that this is where they were born! Manic starts to become attached to this place so much so that he wants to stay. Is this the end of the Sonic Underground?

7. The Price of Freedom

:Episode song: Money Can't BuySonia, after getting really dirty on one of her missions, flips out and drives off to East Mobius. There, Sonia is reunited with an old friend, Mindy LaTour, and her father. Mindy gives Sonia a watch. Unknown to Sonic's sister or Mindy though, the timepiece is a tracking device designed by Robotnik. Sonia finds out too late, and soon, Mindy's kingdom is swarming with similar wristwatch-style robots, all programmed to capture the hedgehogs! Can the siblings stomp out this bug problem?

8. Underground Masquerade

:Episode song: Let The Good Times RollManic begins to backslide to his old ways when the gang discover a band of thieves led by Max. Meanwhile, Sleet and Dingo are plotting to avoid giving the taxes they are collecting to Robotnik. They only need someone to frame for a theft, and Manic is the perfect victim...

9. Tangled Webs

:Episode song: The Children Light The WaySonic meets-up with his old friend Cyrus. While Sonic believes that Cyrus has joined the freedom fighters he is actually working for Dr. Robotnik. Until he finds out that the freedom fighters' "sanctuary" is for children. Sonic, Sonia, and Manic must now try to get him away from Robotnik.

10. The Deepest Fear

:Episode song: Face Your FearOn a trip to Port Mobius, Sonic, Manic and Sonia are told that ships are sinking due to the Mobian sea-beast. The legendary story becomes fishy when the Hedgehogs meet Captain Squeege who informs them of a scam in which townspeople must rely on Robotnik for protection from the sea monster, when in reality it is Robotnik who is sinking ships, not a monster. Sonic must overcome his fear of water and the monster to find the truth and thereby ending the fears of the sea side town.

11. Who Do You Think You Are?

:Episode song: We Need To Be FreeThe Sonic Underground arrive in Tashistan in search of the Queen's Journal. In the city Sonia loses her memory and meets Raphi, one of the town's resistance. But when they are captured, can Sonic and Manic rescue her?

12. The Last Resort

:Episode song: Listen To Your HeartThe hedgehogs come across Lake Valley, a beautiful resort with friendly people. But how can it be beautiful when Robotnik's controlling the rest of Mobius? Sonia finds out the hard way in this episode.

13. Come Out Wherever You Are

:Episode song: Society GirlSonia has been invited to a debutante ball, arranged by none other than Robotnik's right hand man Bartleby. Sonic helps her in getting there without being caught, but even more problems arise when Cyrus chooses her to fly the captives of the "Predator" to safety...

14. Winner Fakes All

:Episode song: Built For SpeedRobotnik has created a super-fast robot, and he's organised a race for the top athletes of Mobius and the robot. But it's all a trap to drive Sonic out into the open... can he resist the competition?

15. A Hedgehog's Home is Her Castle

:Episode song: Let's Do It To ItSonia inherits a spooky and dilapidated castle, and she enjoys the idea of making it the Underground headquarters. But all is not as it seems when they stay there overnight.

16. Artifact

:Episode song: You Can't Own EverythingIn order to raise money for his own cause, Robotnik auctions off artifacts from the lost city of Mobupinchu. But these artifacts are actually from more recent history; they are bombs, and they're about to go off. When the bomb lands in Bartleby's hands, can Sonic and co. stop Robotnik from finding the real Mobupinchu and save Bartleby?

17. Bug!

:Episode song: Never Give UpThe Underground finds a village that has been destroyed by its Freedom Fighter occupants. Why has this happened? It seems to be something to do with the Flybots all over the desert, as Manic finds out when he's injected with a mind-control toxin making him a slave to Dr. Robotnik!

18. Sonic Tonic

:Episode song: (I Wish I Was) The Fastest Thing AliveUsing the essence of a rare plant, Robotnik manages to make Sleet and Dingo fast-- maybe even faster than Sonic. The Sonic Underground manage to get hold of it, but can Sonia and Manic resist the temptation of taking the potion themselves and being as fast as Sonic?

19. Friend or Foe

:Episode song: Not Always What They SeemThe 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, and he jumps to conclusions. So while Knuckles and Sonic do battle, Sleet and Dingo set their eyes on the Emerald...

20. Head Games

:Episode song: Take A ChanceQueen Aleena sends her children over to Speedster Island, a place Bartleby is trying to turn into a holiday resort. Sleet and Dingo are pretending to help, but they just want to robotocise the islanders, who worship three stone heads that resemble Sonic, Sonia and Manic.

21. When in Rome...

:Episode song: When There's A Will, There's A WayThe Oracle, wishing to test the Hedgehog's practical capabilities, strips them of their powers and sends them into an alternate, Roman-themed reality where a Sleet-look-alike presides as King. The former fast and furious hedgehogs must use their usual blend of cunning and strategy to save this reality, but without their super-speed, will they be stopped dead in their tracks?

22. The Jewel in the Crown

:Episode song: The Cosmic DanceQueen Aleena's Royal Jewel can trace the Queen like a homing device. Having apparently found the jewel, Sonic, Sonia and Manic think they may have found their mother at last. But little do they know it is actually a trap to capture Robotnik; a trap they've just fallen into...

23. Three Hedgehogs and a Baby

:Episode song: Being A Kid Is CoolWhile in Robotropolis, Sonic, Sonia, and Manic find an abandoned baby hedgehog. While Sonic and Sonia search for its parents, Manic is left to mind it, and get in touch with his mothering instincts. But the baby isn't as innocent as it looks... and Robotnik comes within an inch of uncovering the sanctuary.

24. Dunes day

:Episode song: True Blue FriendThe Sonic Underground come across a nomadic tribe whilst journeying through the desert. However, Manic doesn't seem to trust the tribe's leader, "Ifyoucan". He sets off to find out the truth, and uncovers a shocking secret...

25. Mummy Dearest

:Episode song: We Are Sonic Underground (Egyptian version)The Sonic Underground journey through the treacherous Mobian desert as they try to locate a hidden temple filled with prophecies of Robotnik's defeat. But, with Sleet and Dingo in hot pursuit, can the Sonic Underground find the scrolls before it's too late?

26. The Hedgehog in the Iron Mask

:Episode song: Part Of The ProblemIn this episode the Sonic Underground rescue a prisoner from one of Robotnik's towers - a hedgehog wearing a mask (so you can't see his face properly). The prisoner claims he is the hedgehogs' uncle; the twin brother of Queen Aleena! But it is all just a sinister ploy by Robotnik to split the Sonic Underground up...

27. Six is a Crowd

:Episode song: I Can Do That For YouIn this episode, the Sonic Underground visit the Oracle again. He sends them to an alternate dimension, where they are the bad guys, and Robotnik is the good guy! They must defeat their corrupted selves and restore peace to Mobotropolis.

28. Flying Fortress (Chaos Emerald Crisis, Part 1)

:Episode song: No One Is An IslandRobotnik 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.

29. No Hedgehog is an Island (Chaos Emerald Crisis, Part 2)

:Episode song: Learn To OvercomeAfter taking off with the Chaos Emerald, Dingo steals the Emerald, but accidentally breaks it, unleashing the chaos energy inside. The Sonic Underground and Knuckles are off to talk to Knuckles' great grandfather Athair for advice on handling the situation. But they are not prepared for the advice Athair gives them...they must make an alliance with Robotnik!

30. New Echidna in Town (Chaos Emerald Crisis, Part 3)

:Episode song: The Mobius StompKnuckles 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 terrifying monster!

31. Country Crisis

:Episode song: How You Play the GameThe Sonic Underground are on a mission to stop a group of hillbillies from feuding so they can stop Robotnik's dam-building project from flooding the countryside.

32. Haircraft in Space

:Episode song: Don't Be a BackstabberA salon robot is hypnotising people that go to her salon into revealing deep secrets. When Sonia goes, she spills the location of their new base! Can she and her brothers keep Robotnik from getting the information?

33. Healer

:Episode song: We're the Sonic Underground (rock version)A Mobian named Titus creates a machine that can de-robotisize robots, called, appropriately enough, the De-Roboticizer. But when Robotnik and his crew go after it, it may do more harm than good.

34. Sonia's Choice

:Episode song: Never EasyRobotnik is about to auction off the four royal goblets in Anèz. But 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. With the help of a Freedom Fighter called Renez, can Sonia save both of them?

35. The Big Melt

:Episode song: Fun in the SunWhat started as a fun vacation for Sonic, Sonia and Manic gets ruined by Dr. Robotnik when he comes up with his most original plan yet: melt the polar ice caps. Things will be hard for the Sonic Underground when 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

:Episode song: Have It AllRobotnik invents a new dart that induces sleep and sends them after the resistance. It's up to Sonic and siblings to stop them from the source. But they run into a bit of trouble when Manic is hit by the sleeper darts. Nevertheless, after destroying the sleepers, they must destroy the fuel source in the Bad Lands' Mine...

37. Bartleby the Prisoner

:Episode song: Justice CallinBartleby is placed under arrest for helping out the resistance. As you might expect, it's the Sonic Underground to the rescue!

38. The Artt of Destruction

:Episode song: Sound of FreedomThe Sonic Underground come across ARTT (Artificial Robot Though Technology), Robotnik's most powerful robot ever, that can think and learn for itself. But ARTT soon learns the power of friendship, and switches to the Resistance. This gives a vengeful Sleet the opportunity to finish off ART - and the hedgehogs - before time runs out

39. The Pendant

:Episode song: Lady LibertyIn the newly-discovered Emerald Peninsula, while combating Sleet and Dingo, Sonia finds a magic pendant that threatens to turn her invisible. Sonic and Manic are in a race against time to find the cure to this seemingly irreversible spell before Sonia disappears forever...

40. Virtual Danger

:Episode song: Don't Let Your Guard DownSonic and Manic get addicted to a new video game so much that it is hindering Cyrus' plan to infiltrate Robotnik's base. But, when Sonic and Manic get sucked into the game, can they survive when they find out Robotnik is behind everything and ready to eliminate them?