The animated television series Sonic Underground premiered, marking the introduction of a unique take on the Sonic the Hedgehog franchise with a musical theme.
The original airing of Sonic Underground concluded, wrapping up the single season and 40 episodes of the series.
Sonic Underground was released on DVD, allowing fans to own the series and view it outside of television broadcasts.
The princess of Mobotropolis, Queen Aleena, gives birth to triplets: Sonic, Sonia, and Manic. They are destined to lead the resistance against Dr. Robotnik.
To protect her children from Dr. Robotnik, Queen Aleena escapes with Sonic, Sonia, and Manic, sending them away to be raised separately.
The three siblings reunite as teenagers and form the band Sonic Underground, using music as a symbol of hope and to lead the rebellion against Dr. Robotnik.
Sonic, Sonia, and Manic find their royal medallions, which grant them unique powers and are key to reclaiming their kingdom.
The siblings engage in numerous battles to free Mobotropolis from Dr. Robotnik's tyranny, using their music and combat skills.
Sonic, Sonia, and Manic confront Dr. Robotnik in a climactic battle to restore peace to Mobotropolis and reclaim their rightful place.
