Sonicunderground Stories

After about a month of Eggman being "retired," the gang gets a visit from a stranger... a stranger that Sonic recognizes... his mother Queen Aleena.

After being missing for about 4 years Sonia, Manic, and Queen Aleena have finally located their missing family member. Sonic the Hedgehog who disappeared after Robotnick...

It's been years since Sonic has seen his brother and sister. The only one that knows about his past is Knuckles and nobody knows about his feelings for Shadow. But what...

After the war, Robotnik escaped to try to take over another part of Mobius, but the triplets didn't follow him because they thought that they could take care of himself...

Science can explain anyone on Mobius... but not Sonic. Why is it that the one we think we ought to know the most about is the one we actually know the least? Set in the...

It was raining the night the strangers arrived. Acting as though they knew more about Sonic then they did, telling storys of their childhood, and all thier old friends. ...

Sonic never told Shadow, Tails, and his friends about his life about Sonic Underground, or the fact he was a prince, searching for his mother. When Dr. Rototnik threate...

Amy kept pestering Sonic about why he wouldn't take her on a date. His answer: he has a mate Who is this mysterious mate? how long has he had a mate? Why do none of his...

Sonic Underground has completed its mission and the royal hedgehogs have reclaimed their kingdom... now what? Anarchy, that's what! Well, at least, that's what Sonic bel...

Something odd is happening to both Sonic and Blaze's worlds... They appear to be coming together. They must solve the mystery of the Chaos and Sol Emeralds before "...

Sonic one day told Amy his secret feelings for her and now they are dating and everything! But when Sonic got a letter saying that he must return to his home kingdom say...

It's been two years since the ARK incident with the Final Lizard, and Shadow's 'death'. But in reality, Shadow was in a comatose state for nearly a year and three quarte...

Meet Princess Kadence the Hedgehog or "Kade" for short, the eldest sibling of her triplet siblings Sonic, Sonia, and Manic. When the evil Dr. Robotnik took ove...

Its sonic's birthday and sonic and his friends find out a little bit of his past and meet a few family members has well but will the prophecy change or stay the same

AU! Elements of the games, Archie Comics, SatAM, Underground, OVA, and Sonic X Anime apply into one different universe. The villainous Dr. J. Ivo "Eggman" Rob...

Takes place after "When Two Become One"; Silver never realized how much Blaze meant to him until she began going with Sonic. When a sorceress offers him a chan...

Meet Serena The Hedgehog who is Sonic, Manic and Sonia's cousin while being the brains of the group. After being partly roboticized she uses her new skills to fight Robo...

8 years ago, Sonica lost her siblings. Soon after, she adopted Tails as a brother. Now, on their 18th birthday, they're back! For most of her life, Sonica has pretended...

All the Sonic characters are teleported into a theater with a human named Nova. all he wants them to do is watch his favorite anime. This is the English dub version so t...

A story about SonAmy