The history of the Underground is told in detail, from the fall of Mobotropolis to the rise of Robotnik.
1. Beginnings (Origins: Part 1)
Aired: Aug 30, 1999The history of the Underground is told in detail, from the fall of Mobotropol...
2. Getting to Know You (Origins: Part 2)
Aired: Aug 31, 1999The Hedgehogs begin to learn the important lessons of what it takes to be a f...
3. Harmony or Something (Origins: Part 3)
Aired: Sep 1, 1999Manic, Sonic and Sonia must end their training early when Robotnik threatens ...
Aired: Sep 2, 1999 Argus, a captain of the Queen's guard, is captured by Sleet and Dingo before ...
Aired: Sep 3, 1999 Sonic, Sonia and Manic return to their birthplace, Mobodoon, a beautiful, fes...
Aired: Sep 6, 1999 Sonia travels to east Mobius to visit her friend Mindy at the LaTour estate.
Aired: Sep 7, 1999 Sleet and Dingo plan to collect the taxes owed to Robotnik from the Duke of V...
Aired: Sep 8, 1999 The sinister Robotnik blackmails Cyrus, an old friend of Sonic's, by holding ...
Aired: Sep 9, 1999 On a trip to Port Mobius, Sonic, Manic and Sonia are told that ships are sink...
Aired: Sep 10, 1999 Queen Aleena's royal journals are rumored to be buried under a palace in the ...
Aired: Sep 13, 1999 While lost in the wastelands of Mobius, Sonic, Manic and Sonia stumble upon a...
Aired: Sep 14, 1999 Sonia is invited to a debutante ball, but before she can be officially announ...
Aired: Sep 15, 1999 Robotnik organizes a track meet to lure Sonic into a trap.
14. A Hedgehog's Home is Her Castle
Aired: Sep 16, 1999The Hedgehogs receive a message they believe is from their cousin.
Aired: Sep 17, 1999 The Hedgehogs steal historical artifacts of Mobuis from Robotnik before he ca...
Aired: Sep 20, 1999 A faction of the Freedom Fighters is wiped out by a swarm of metallic fly-bots.
Aired: Sep 21, 1999 A speed enhancing fluid deemed Sonic Tonic is created by Robotnik to make him...
Aired: Sep 22, 1999 The Hedgehogs converge on the Floating Island, in their latest attempt to fin...
Aired: Sep 23, 1999 As Sonic begins to chow chili dogs for a snack, he finds a message in the sac...
Aired: Sep 24, 1999 Sonic becomes frustrated that maybe all of their efforts of fighting for free...
Aired: Sep 27, 1999 Robotnik has his sights set upon Queen Aleena's crown jewel, which glows as i...
22. Three Hedgehogs and a Baby
Aired: Sep 28, 1999Sonic, Manic and Sonia find an abandoned baby in an alley and begin a search ...
Aired: Sep 29, 1999 Sonic and his siblings travel to the outskirts of Mobius to recruit a tribe o...
Aired: Sep 30, 1999 Sonic, Manic and Sonia invade Robotnik's lair to retrieve the Hedgehog crest.
25. The Hedgehog in the Iron Mask
Aired: Oct 1, 1999The Hedgehogs latest quest to find their mother takes them to the prison towe...
Aired: Oct 4, 1999 The Oracle advises the Hedgehogs to undertake a mission which could reveal an...
27. Flying Fortress: Chaos Emerald Crisis Part 1
Aired: Oct 5, 1999What is supposed to be a vacation for Sonic, Manic and Sonia turns into a bat...
28. No Hedgehog Is an Island: Chaos Emerald Crisis Part 2
Aired: Oct 6, 1999Sleet and Dingo escape the Flying Fortress with the Chaos Emerald.
29. New Echidna in Town: Chaos Emerald Crisis Part 3
Aired: Oct 7, 1999Knuckles reluctantly makes a deal with Robotnik to turn over Sonic and his fa...
Aired: Oct 8, 1999 Robotnik announces that he will marry Queen Aleena in a plot to become the ki...
Aired: Oct 11, 1999 Queen Aleena advises the Hedgehogs to travel to a valley of Mobius so that th...
Aired: Oct 12, 1999 Robotnik is using the local hairdresser, Doo-bot, to get information on the c...
Aired: Oct 13, 1999 A self proclaimed scientist has come to Robotropolis with a device that will ...
Aired: Oct 14, 1999 Robotnik has arranged a museum exhibit of the Royal family goblets.
Aired: Oct 15, 1999 The Hedgehogs vacation is interrupted by the news of Robotnik's latest weapon.
Aired: Oct 18, 1999 On a mission in a distant sector of Robotropolis, the Hedgehogs are informed ...
Aired: Oct 19, 1999 Robotnik captures Bartleby and uses him as bait to capture Sonia.
Aired: Oct 20, 1999 Robotnik's new weapon, Art, is the enforcer of Robotropolis new eradication p...
Aired: Oct 21, 1999 The newly discovered Emerald Peninsula is a perfect place for Robotnik to add...
Aired: Oct 22, 1999 Sonic and Manic play a game of virtual reality to enhance their pilot skills.
Streaming in:
Main Cast
Current Status: Ended
Network: Syndication
Production Countries: France, United States
Genres: Comedy, Adventure, Family, Sci-Fi, Animation, Fantasy, Music, Action, Musical
Sonic Underground: Where to Watch Online?
Currently you are able to watch "Sonic Underground" streaming on Paramount+, Hoopla or for free with ads on Pluto TV, Amazon Freevee, Tubi TV, The Roku Channel. It is also possible to rent or buy on AppleTV, Google Play, YouTube, VUDU online.
