Uploaded September 2026 | Updated September 2026, 1 week ago
Get ready to discover the origins of your favorite blue hero in this action packed full episode of Sonic Underground! Journey back in time to see the incredible history of the Underground, starting from the peaceful days of Mobotropolis to the sudden rise of the villainous Dr. Robotnik. Learn how Sonic and his siblings, Sonia and Manic, were separated to fulfill a legendary prophecy and become the ultimate freedom fighters. This retro cartoon classic is filled with supersonic speed, epic adventures, and a battle for justice that you wont want to miss. Tune in to see how the fight for Planet Mobius began and follow Sonic on his quest to find his mother, Queen Aleena, and stop Dr. Robotniks robot army!
Welcome back to the Sonic The Hedgehog official channel!
Subscribe for new uploads every Saturday!
Subscribe for more▶️: youtube.com/channel/UCQeaaygt1I71F15PMa4QTZA?sub_confirmation=1
Welcome to the official Sonic the Hedgehog channel. Tune in to our weekly uploads of classic, retro Sonic the Hedgehog cartoons. The most fearless hero on Planet Mobius, uses his supersonic speed and teenage irreverence to thwart the comedically despicable Dr. Robotnik. Sonic’s idolizing little buddy, Tails, tags along on every fast-action, gag-driven adventure.
#sonic #sonicthehedgehog #soniccartoons #adventuresofsonic #adventuresofsonicthehedgehog #cartoonsforkids #retrocartoons #classiccartoons #sonicunderground #sanic #videosforkids #cartoonsforadults #knuckles #knucklestheechidna
Hello and WELCOME to WildBrain! We’re here to help children learn, laugh and play every day with our gigantic collection of kids' entertainment videos. We bring you well-known brands and shiny new kids shows! We delight millions of children around the world on YouTube and YouTube Kids every month. We’re a global kids’ network with channels in lots of languages – subscribe to stay updated.
For all B2B enquiries please visit the following website link: wildbrain.com
Get ready to discover the origins of your favorite blue hero in this action packed full episode of Sonic Underground! Journey back in time to see the incredible history of the Underground, starting from the peaceful days of Mobotropolis to the sudden rise of the villainous Dr. Robotnik. Learn how Sonic and his siblings, Sonia and Manic, were separated to fulfill a legendary prophecy and become the ultimate freedom fighters. This retro cartoon classic is filled with supersonic speed, epic adventures, and a battle for justice that you wont want to miss. Tune in to see how the fight for Planet Mobius began and follow Sonic on his quest to find his mother, Queen Aleena, and stop Dr. Robotniks robot army!
Welcome back to the Sonic The Hedgehog official channel!
Subscribe for new uploads every Saturday!
Subscribe for more▶️: youtube.com/channel/UCQeaaygt1I71F15PMa4QTZA?sub_confirmation=1
Welcome to the official Sonic the Hedgehog channel. Tune in to our weekly uploads of classic, retro Sonic the Hedgehog cartoons. The most fearless hero on Planet Mobius, uses his supersonic speed and teenage irreverence to thwart the comedically despicable Dr. Robotnik. Sonic’s idolizing little buddy, Tails, tags along on every fast-action, gag-driven adventure.
#sonic #sonicthehedgehog #soniccartoons #adventuresofsonic #adventuresofsonicthehedgehog #cartoonsforkids #retrocartoons #classiccartoons #sonicunderground #sanic #videosforkids #cartoonsforadults #knuckles #knucklestheechidna
Hello and WELCOME to WildBrain! We’re here to help children learn, laugh and play every day with our gigantic collection of kids' entertainment videos. We bring you well-known brands and shiny new kids shows! We delight millions of children around the world on YouTube and YouTube Kids every month. We’re a global kids’ network with channels in lots of languages – subscribe to stay updated.
For all B2B enquiries please visit the following website link: wildbrain.com
