61 - 80 of 489 Works in Sonic Underground
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Tides of Chaos by Queen_Glacier
Fandoms: Sonic the Hedgehog (Live Action Universe), Sonic the Hedgehog - All Media Types, Sonic Prime (Cartoon 2022), Sonic Underground
20 Aug 2025
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Summary
It's been three years since Stone's daughter went missing, a few weeks ago she stumbled or better put, was found by the crew of the Maria. Inspired by Driftwood, four years after. Join her and the crew as they become more comfortable with each other and engage in trauma bonding. (please ignore the fact that that was probably SO cringy, I don't know how else to summarize)
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And So Many Adventures by Imanepilepticfreak
Fandoms: Sonic the Hedgehog - All Media Types, Sonic Underground
20 Aug 2025
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Sequel of ‘One Last Song’
Series
- Part 25 of Sonic/Sonic Underground
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这是一场噩梦。未来的储君无休无止地对自己的亲弟弟下手，Sonic的温柔与暴力将永远牢牢禁锢着Manic的自由。
Series
- Part 1 of 粉碎测试
- Language:
- 中文-普通话 國語
- Words:
- 4,423
- Chapters:
- 1/1
- Kudos:
- 1
- Hits:
- 107
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Speeding hearts, Slow glances by BluBlur_15
Fandoms: Sonic the Hedgehog (IDW Comics), Sonic the Hedgehog (Video Games), Sonic Underground, Sonic the Hedgehog (Archie Comics), Sonic X (Cartoon 2003)
18 Aug 2025
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It's freshman year at Central City High school (CCHS) and Sonic and his pals, Tails the Fox and Knuckles the Echidna are ready to start their new year with a fresh new start! After suffering their past traumas and mistakes in middle school the gang is ready for the time of their lives!! From meeting old friends to meeting new ones "the possibilities are never ending" (see what I did there heh.) and who knows maybe he might meet a high school sweetheart ;)
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¿No lo entiendes? by Sweet_heart6687
Fandoms: Sonic the Hedgehog - All Media Types, Sonic Underground, Sonic X (Cartoon 2003)
16 Aug 2025
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Chris: ¡Sonic, no puedes hacer esto por favor!
Sonic: Chris, entiéndelo por favor, yo y mi familia no pertenecemos aquí ¿no lo entiendes?
Series
- Part 1 of Mirando las estrellas
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When Sonic Underground has a concert Sonic leaves notes in the song that only Knuckles fully catches while they sing.
Series
- Part 24 of Sonic/Sonic Underground
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Sonic The Hedgehog SatAM Re-Genesis 03x10 -- "CHILDHOOD'S END" by EricEmmanuel
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (IDW Comics), Sonic the Hedgehog (Video Games), Sonic the Hedgehog: The Animated Series, Sonic the Hedgehog (Archie Comics), Sonic Underground, Sonic SatAM
15 Aug 2025
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In the spectacular finale to Season 3... Sonic battles Eggman to keep Nibelium from falling into the wrong hands.
Series
- Part 30 of Sonic The Hedgehog SatAM Re-Genesis
- Part 10 of Phase III -- "THE NIBELIUM CRISIS"
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Getting to know the family by Sweet_heart6687
Fandoms: Sonic the Hedgehog - All Media Types, Sonic Underground
14 Aug 2025
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Maniac: There are four of them... Mom's going to have a heart attack, he said expressionlessly, but his sister quickly slapped him.
Sonia: Don't be silly!
Sonic: I don't think Mom's going to have a heart attack, he said nervously.
Also like: Sonic meets his siblings on a normal afternoon.
Series
- Part 1 of Looking at the stars (in English)
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Hair Saloon troubles by Angry9guy
Fandoms: Sonic the Hedgehog - All Media Types, Sonic Underground
13 Aug 2025
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Summary
Sonia gets into some trouble
- Language:
- English
- Words:
- 632
- Chapters:
- 1/1
- Hits:
- 31
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Running (Back to You) by five_hour_anxiety
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic Underground
13 Aug 2025
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Sonic had been running with his friends for a few years now, and had come to accept his lot in life - a super fast hero that occasionally became a god to save the world. Simple, really, even when you feel like you're unwanted and forgotten by your family.
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Sonia and Manic had been running together for a few years now, and had come to accept their lot in life - a pair of royal siblings that are expected to lead their nation to prosperity. Simple, really, even when you're drowning in grief for the dead triplet that should have completed your family.
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En un reino lejano un erizo oscuro le torturan con el tema de "elegir a una esposa" pero este no está interesado solo quiere verla por el bienestar de su gente y el amor por su amado bufón ¿ acaso tendrá que elegir alguien más que no sea su amor?.¿ Podrá encontrar una esposa? Las adversidades no faltarán,a pesar de todo lo ocurrido hará lo posible por cumplir su deber ¿El bufón lo amará? Y ¿que le ocultara a su rey?.
Si quieres saber más te invito a leer este OneShot shadonic.
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Brutus. by MONSTERENERGYGUNZ
Fandoms: Sonic - Fandom, Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic the Hedgehog (Live Action Universe), Sonic Boom (Cartoon), Sonic Prime (Cartoon 2022), Sonic Underground, Sonic the Hedgehog: The Animated Series, Sonic X (Cartoon 2003)
09 Aug 2025
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Shadow doesn't really know how to deal with his emotions. He's supposed to be the better one, the superior one, but it doesn't and never has felt that way. He hates sonic more than anything and yet he's also the reason Shadows who he is now.
Soon a romance blossoms between the two of them, though it doesn't get the chance to get very far.
[this is in 3rd person,, but very first person coded.]
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Parents Guide to Alien Hedgehog Babies (No refunds) by KatmOOn216
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Live Action Universe), Sonic the Hedgehog (Video Games), Sonic the Hedgehog (Archie Comic), Sonic the Hedgehog (IDW Comics), Sonic X (Cartoon 2003), Sonic Underground, Sonic Prime (Cartoon 2022)
08 Aug 2025
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For Tom and Maddie Wachowski, life in Green Hills was a predictable rhythm of small-town dreams and routines. Until one night, a mysterious surge of power leads Tom to an extraordinary discovery: a tiny, sparkling blue creature, clearly not of this world, yet undeniably a baby in need of care.
What begins as hesitant compassion quickly spirals into scorched ceilings and a crash course in interspecies parenthood. As the human couple navigates the hilarious, heartwarming, and utterly chaotic challenges of raising their unique charge, they embark on a journey to uncover the mystery of his existence, setting a course for a collision that will test the bonds of their newfound family and redefine what it truly means to be home.
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Tom and Maddie struggle to care for an alien hedgehog baby without destroying their newly established home - and themselves - in the process.
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Sonic The Hedgehog SatAM Re-Genesis 03x09 -- "PARADISE LOST" by EricEmmanuel
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic the Hedgehog (IDW Comics), Sonic the Hedgehog: The Animated Series, Sonic the Hedgehog (Archie Comics), Sonic Underground, Sonic SatAM
07 Aug 2025
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Trapped in a city under siege from Dr. Eggman, Amy Rose struggles to survive.
Series
- Part 29 of Sonic The Hedgehog SatAM Re-Genesis
- Part 9 of Phase III -- "THE NIBELIUM CRISIS"
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Outrunning Fate is a Bad Idea by AmethystFox_044
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic Underground
03 Aug 2025
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It has been eight years since the defeat of the Robotnik Empire and the restoration of royal family of Mobotropolis.
When the first televised showing of the festival is shown to the rest of the world, Sonic and his friends go to the city to find if there is a way to get rid of Eggman for good.
But only Sonic knows that his return will have consequences...after all prophecies have a nasty way of becoming true.
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Sonic The Hedgehog SatAM Re-Genesis 03x08 -- "THE EGGMAN COMETH" by EricEmmanuel
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic the Hedgehog (IDW Comics), Sonic the Hedgehog: The Animated Series, Sonic the Hedgehog (Archie Comics), Sonic Underground, Sonic SatAM
01 Aug 2025
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An old enemy returns in a terrifying new form.
Series
- Part 28 of Sonic The Hedgehog SatAM Re-Genesis
- Part 8 of Phase III -- "THE NIBELIUM CRISIS"
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Project: M.A.R.I.A by allaric_htwb
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic the Hedgehog (IDW Comics), Sonic Prime (Cartoon 2022), Sonic Underground, Sonic the Hedgehog: The Animated Series, Sonic the Hedgehog (Archie Comics), Sonic the Comic
31 Jul 2025
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Shadow had spent years grappling with the painful belief that his best friend was dead. The loss weighed heavily on him, a constant reminder of the past and the void it left in his heart. However, everything changed one fateful day. While returning early from a G.U.N. mission, Shadow was taken aback by an unexpected sight. Looking inside his office, he noticed a familiar figure inside, and his heart raced with disbelief. Could it really be? The years of mourning and the memories of their time on the ark came back, igniting a flicker of hope within him. Shadow felt a rush of emotions as he edged closer, but she looked different, there was no way this was the Maria he knew...
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Sequel to Three Part Disharmony. Sonic and his siblings have finally found their mom, but a new problem arises that could spell disaster for the resistance.
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Below The Depths by Ghosthost19
Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic Underground, Sonic the Hedgehog: The Animated Series
27 Jul 2025
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Team Sonic goes on a mission, not telling anyone where they are going. Unbeknownst to them, things go wrong, and only Tails returns home. Badly injured, he is unable to tell anyone what happened and falls into a coma. Shadow, faced with a promise he made and certain revelations that have come to light, goes looking for his rival with the help of his friend Rouge.
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After yet another failed attempt to find their mother, Manic starts second guessing her reasons for separating him, Sonic, and Sonia in the first place.