Sonic Underground

Syfy (ended 1999)




Episode Guide


  • Season 1
    • Virtual Danger
      Episode 40
      Sonic and Manic get addicted to a new video game that it is hindering Cyrus' plan to infiltrate Eggman'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?
    • The Pendant
      Episode 39
      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....
    • 10/20/99
      The Sonic Underground come across ART, Robotnik's most powerful robot ever, that can think and learn for itself. But ART soon learns the power of friendship...
    • 10/19/99
      Bartleby is placed under arrest for helping out the resistance. As you might expect, it's the Sonic Underground to the rescue!
    • Sleepers
      Episode 36
      Robotnik invents a new dart that induces sleep and sends them after the resistance. It's up to Sonic and sibs to stop them from the source. But they run into a bit of trouble when Manic is hit by the sleeper darts, and the person creating the sleepers is none other than Cyrus' robotcized father!moreless
    • The Big Melt
      Episode 35
      Robotnik 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.
    • Sonia's Choice
      Episode 34
      Sonic and Manic have been captured and are about to be robotisized! It's up to Sonia to save her brothers. But the thing is, they're in separate robotisizers at opposite ends of the city! Sonia's loyalty is then challenged in the choice between her brothers.
    • Healer
      Episode 33
      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.
    • 0.0
      Knuckles reluctantly makes a deal with Robotnik to turn over Sonic and his family in exchange for finding the Chaos Emerald that will save Mobius.
    • Haircraft in Space
      Haircraft in Space
      Episode 32
      A salon robot is hypnotising people that go to her salon into revealing deep secrets. When Sonia goes, she spills information about the resistance! Can she and her brothers keep Robotnik from getting the information?
    • Country Crisis
      Episode 31
      The 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.
    • 0.0
    • New Echidna in Town (Chaos Emerald Crisis, Part 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 terrifying monster!moreless
    • 0.0
      Robotnik is using the local hairdresser, Doo-bot, to get information on the citizens who are against him.
    • After taking off with the Chaos Emerald, Sleet and Dingo have a quibble over it, ending with Dingo accidentally breaking it and unleashing all the chaos energy. The Sonic Underground and Knuckles are off to talk to Knuckles' grandfather Athair for advice on handling the situation. But with all the chaos energy tearing apart the planet, can they survive long enough to make it? And even if they do, will they listen to the wise echidna's words?moreless
    • Flying Fortress (Chaos Emerald Crisis, Part 1)
      Robotnik creates a new flying fortress to lay waste to the planet. When the Sonic Underground suspects that the Chaos Emerald is keeping the fortress aloft, they head to the Floating Island to enlist the help of Knuckles. But we all know how hard-headed Knuckles is...
    • Six Is a Crowd
      Episode 27
      In this episode, the Sonic Underground goes to see the Oracle again, who sends them to an alternate dimension, where they are the bad guys, and Robotnik is the good guy! But once Robotnik is on their side, they may be able to overthrow the bad hedgehogs and restore Mobotropolis to its former glory!moreless
    • 9/29/99
      In this episode the Sonic Underground rescue a prisoner from one of Robotnik's old prisoners - 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 plan by Robotnik to split the Sonic Underground up.moreless
    • Flying Fortress
      Episode 26
      What is supposed to be a vacation for Sonic, Manic and Sonia turns into a battle to save Mobius when Robotnik attacks with his latest weapon.
    • Mummy Dearest
      Episode 25
      The Sonic Underground journey through the treacherous Mobius 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?
    • Dunesday
      Episode 24
      The Sonic Underground come across and nomadic tribe whilst journeying through the desert. However, Manic doesn't seem to trust the tribe leader named, "Ifyoucan". When Manic gets abandoned in the desert and Sleet and Dingo on their way, can Sonia and Sonic save Manic and the tribe?
    • 1/2/04
      While 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.moreless
    • 9/23/99
      Aleena's Royal Jewel can trace the Queen like a homing device.... now, I wonder who might be interested in that? As the siblings follow Mother and Robonik follows them, the elusive Queen seems almost within reach at last. Unless, of course, it's all an elaborate bluff.
    • When in Rome
      Episode 21
      The 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?moreless
    • Head Games
      Episode 20
      Queen 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.
    • Friend or Foe
      Episode 19
      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, and he jumps to conclusions!
    • Sonic Tonic
      Episode 18
      Using 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?
    • Bug!
      Episode 17
      The 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!
    • Artifact
      Episode 16
      In order to make a lot of money, Robotnik sells artifacts to the nobility of Mobius. But these artifacts are actually from more recent history; they are bombs, and they're about to go off.
    • 9/14/99
      Sonia 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.
    • Winner Fakes All
      Episode 14
      Robotnik 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?
    • 12/19/03
      Sonia has been invited to a debutante ball, arranged by none other than Robitnik'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...
    • The Last Resort
      The Last Resort
      Episode 12
      The 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.
    • 9/8/99
      The Sonic Underground arrive in Mobia in search of the Queen's Journal. In the city Sonia loses her memory and meets Raphi, one of the town's resistance...
    • The Deepest Fear
      Episode 10
      On 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.moreless
    • Last Resort
      Episode 10
      The hedgehogs come across Lake Valley, a beautiful resort. But how can it be beautiful when Robotnik's controlling the rest of Mobius? The band's about to find out...
    • Tangled Webs
      Episode 9
      Sonic, Manic, Sonia, and their old friend, Cyrus, try to shut down Robotnik's factories using a new prototype of pods. But when Robotnik sets a trap for Sonic and blackmails Cyrus, will the Sonic Underground be able to escape?
    • 12/12/03
      Manic begins to backslide to his old ways when the Sound Encounter, led by Max is back in town. 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.
    • 9/2/99
      Sonia, literally, gets down 'n' dirty with Sleet and Dingo, and to freshen up, she and her brothers journey to east Mobius. There, Sonia is reunited with an old friend, Mindy Latour, and her father. Mindy gives Sonia a locket. Unknown to Sonic's sister or Mindy though, is that the locket 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?moreless
    • Mobodoon
      Episode 6
      Evading 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 Mobodon 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?moreless
    • To Catch a Queen
      Episode 5
      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..
    • 10/4/99
      When Robotnik announces he plans to marry Queen Aleena, the shocked sonic siblings race to the rescue, unaware it's a trap..
    • Harmony or Something (Origins, Part 3)
      Sonic, 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?
    • The 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?

    • Beginnings (Origins, Part 1)
      Queen Aleena tells the story of how Dr. Robotnik took over Mobius, and how she had to give up her three children, Manic, Sonia, and Sonic, to fulfill a prophecy exclaiming that one day, the siblings will be able to rise against Robotnik's rule and restore peace to the planet.
    • Beginnings
      Episode 1

      The history of the Underground is told in detail, from the fall of Mobotropolis to the rise of Robotnik. Included, is a prophecy, as told by the Oracle of Delphius, that caused Queen Aleena to give up her own children so that all people of Mobotropolis could one day be redeemed. As the Queen's children grow and witness tragedy all around them, they soon learn that they are not alone in their urge to fight the evil Robotnik, they have each other, and that fighting for freedom isn't only their duty, but their destiny.