The Sam/Cas Big Bang

A Supernatural themed writing event. Authors will write a story starring Sastiel and Artists will claim one of those stories in an anonymous first come/first serve process, then make art for said story Schedule and info will be here soon.

[samcasbb]

Sign ups for the 2025-2026 round are now closed

But stay tuned for some amazing pieces 🥰

[samcasbb]

Mine Again Promo

Posting Date: June 17, 2026

Author: @bluepearlie

Artist: @hawkland

Rating: Mature

Pairings: Sam Winchester/Castiel, Past Sam Winchester/Jessica Moore

Additional Tags: Referenced Past Torture / Shared Flashback of Past Sexual Assault / Force-Feeding (one described instance from a traumatic childhood memory) / Victim-Blaming Self-Talk / Consent Issues (it’s the main conflict of the story) / Coulrophobia (Fear of Clowns)

Alternate Universe — Canon Divergence, Post-Episode: S09E10 Road Trip, POV Castiel, Consensual Possession, Aftermath of (Non-Consensual) Possession, Extensive conversations about consent in general because Sastiel are big on that, Castiel’s True Form, Mutual Pining, Emotional intimacy, Mentioned Jimmy Novak And The Hell Cas Put Him Through, Background canon conflict with Dean that gets resolved way quicker and smoother than in canon bc this is fanfiction, Hurt/Comfort

Fic Summary: After Gadreel, Sam refuses to let himself be possessed again. He’ll do whatever it takes to make his body uninhabitable, even if that means re-experiencing the very horror he’s attempting to prevent. He has a plan, but he needs an angel. Naturally, there’s only one he trusts. Castiel, for his part, is willing to play the role of the hostile invader, though not without difficulty. And it’s not for reasons of simple loyalty or fondness or even friendship, but something angels weren’t ever made to feel: love. Six years too late, this realization comes at the worst possible time. Sam needs a friend he can trust, not a hopeless lover begging for scraps of attention. Castiel can’t allow a selfish thing like love to get in the way of their mission.

[stonecoldbodysnatcher]

Villain and violent, infant and innocent, both arms cradle you now

[prokrst]

Castiel will cleanse him

[themaguito]

[samcasbb]

The Case Of The Dead Man Promo

Posting Date: June 20, 2026

Author: @avalonsilver

Artist: @qwertyuiip-art

Rating: Teen and Up

Pairings: Sam Winchester/Castiel

Additional Tags: Character death (temporary, not Sam or Castiel), Canon typical violence, Angst, Magic, Healing, Cursed!Sam

Fic Summary: A few months after losing his brother in the barn, Sam reunites with Castiel. Trouble arises when Sam is abducted and cursed to have an insatiable desire for Castiel's angel blood. Sam fears attacking Castiel to drink his blood. Cas is desperate to help him no matter the cost. Rowena's idea for a cure is getting good magic from another world. She gives them an easy target– a dying good witch named Chris Halliwell. Not wanting anyone else to die, Sam stops Cas from stealing Chris’s magic and demands Cas save him. With Jack's god power at his disposal, Cas heals an otherwise fatal injury. While in Chris's childhood home, the Halliwell manor, they have three hours to remove Sam's curse. But death stalks the witch and forces delays in finishing the countercurse spell. Their time in this other world takes them to the manor's attic, where an eerily empty playpen remains after a recent kidnapping, down to the basement where an evil, shadowy creature resides, and lastly, a demon's underground lair where death lingers. It doesn't help that Sam and Cas also must sort out their feelings for each other following Castiel's love confession to Dean. Can Sam be freed from the curse before time runs out?

[samcasbb]

Dragon-Natural Promo

Posting Date: June 18, 2026

Author: @karategirl80

Artist: @chevroletdean

Rating: General Audiences

Pairings: Sam Winchester/Castiel

Additional Tags: Dragons eating prey, blood, Supportive Dean Winchester, John Winchester's A+ Parenting, Homophobic John Winchester, dragon-rider!Sam, dragon-rider!Cas, Dragon!Ruby, Dragon!Meg

Fic Summary: Loosely based on Anne McCaffery’s Dragons of Pern series. Sam is the son of John Winchester, Lord of Winchester Hold. He’s been obsessed with dragon riders his entire life, and wants nothing more than to join their ranks. His father thinks this is a waste of his son’s abilities, when he should be learning more about helping his brother run the Hold. So when dragon rider Gabriel comes to Winchester Hold to search for possible dragon riders, John does everything in his power to keep Sam away from the rider. Despite John’s best efforts, Sam manages to catch the rider’s attention and is swept off to the dragon weyr, where he finds himself way out of his element. Particularly when he meets Gabriel’s nephew…

[samcasbb]

Agent Of Trauma Promo

Posting Date: June 16, 2026

Author: @jupiterinkwell-blog

Artist: @leporidaee

Rating: Mature

Pairings: Sam Winchester/Castiel, Sam Winchester/Tyson Brady

Additional Tags: Sexual content. Graphic violence. Physical and psychological torture. Minor character deaths. Drug use and abuse, Angst. Autistic Castiel. AU-FBI. Alternate Universe. FBI agent Sam Winchester. Hurt Sam Winchester. Sam Winchester has mental health issues.

Fic Summary: Agent Sam Winchester is one of the best in his field. He proves himself everyday that he can still do his job even after past traumas. With his brother as his partner he's on the case of the murders of an organization called the angels,but things get complicated when Castiel Novak is brought in as a private consultant. Sam hates him at first but they soon find they have more in common than he thinks.

[samcasbb]

Locked Away Promo

Posting Date: June 19, 2026

Author: @cerberus-s

Artist: @chevroletdean

Rating: Explicit

Pairings: Temporarily unrequited Sam/Cas, past Dean/Castiel

Additional Tags: Depression, Self-worth issues, emotional isolation, grief, disordered eating, explicit sexual content, Endgame Sam/Cas, Breakup, pining, unrequited love, jealousy, angst, hurt/Comfort, domestic fluff, angst with happy ending, emotional hurt/Comfort, protective Dean Winchester

Fic Summary: For so long, Sam loved Castiel in silence while the angel was with Dean. He ignored the sharp ache in his chest whenever Dean and Castiel built a life right in front of him. He swallowed his feelings between hunts, skipped meals, and long nights pretending he was fine.

Unfortunately, Dean finds out.

Even more unfortunately, so does Castiel.

Now, between all the heartbreak, guilt, and quiet devotion, there's apologies, grief, and the terrifying possibility that Castiel might love Sam back.

[samcasbb]

Yesterday's Memory Of Tomorrow Promo

Posting Date: June 15, 2026

Author: @samanddean76

Artist: @xpurdyglambertx

Rating: Mature

Pairings: Sam Winchester/Castiel

Additional Tags: Protective Castiel, Emotionally Hurt Sam Winchester, Dreams, Time Travel, Natural Disasters, Happy Ending

Fic Summary: Castiel had gone missing. Yet again. But this time felt different to Sam. Mostly because of the vivid and wildly disturbing dreams that had been haunting him for weeks. The dreams felt almost prophetic in their intensity, and Castiel kept appearing to Sam, trying to give him clues as to how he might be able to rescue the wayward angel. All Sam needs to save the day is a little Latin, a touch of time travel, and the faith of his convictions. Oh, and to try to not look guilty as hell whenever Mt. St. Helens might get mentioned.

[thebennybang]

Something is on the horizon... again!

Do you love Benny Lafitte? Do you think he's an underrated character? Do you love writing fanfiction?

The Benny Bang is open for its second year of Benny goodness! But this time? The artists run the show! We are running a REVERSE BANG!

Sign ups open April 4th, bang rules and schedule linked HERE.

Hope to see you there!

[flanneledfae]

YESSSSSSSS!!!!!

[samcasbb]

All fics have been claimed!!

Huge thanks to everyone who reblogged and spread the word! Your support and love mean the world to us ❤️💙

Also, thanks to everyone participating. I am so excited to see everyone's creations!!

Now get ready for some amazing stories with beautiful art pieces to go with them 😁

[samcasbb]

Sam/Cas Big Bang Claims

Now open to all!

How to participate:

1 - Check out the two remaining stories in the Fic Gallery

2 -Fill out the Claims Form

3 - Join us in the Discord server (Mod will send out an invite once the form has been submitted.)

Please feel free to contact Mod with any questions ( @flanneledfae )

[samcasbb]

Sam/Cas Big Bang Claims

Now open to all!

How to participate:

1 - Check out the two remaining stories in the Fic Gallery

2 -Fill out the Claims Form

3 - Join us in the Discord server (Mod will send out an invite once the form has been submitted.)

Please feel free to contact Mod with any questions ( @flanneledfae )

[samcasbb]

Sam/Cas Big Bang Claims

Now open to all!

How to participate:

1 - Check out the two remaining stories in the Fic Gallery

2 -Fill out the Claims Form

3 - Join us in the Discord server (Mod will send out an invite once the form has been submitted.)

Please feel free to contact Mod with any questions ( @flanneledfae )

[samcasbb]

Sign ups for the 2025-2026 round are now closed

But stay tuned for some amazing pieces 🥰

[samcasbb]

Sam/Cas Big Bang Claims

Now open to all!

How to participate:

1 - Check out the two remaining stories in the Fic Gallery

2 -Fill out the Claims Form

3 - Join us in the Discord server (Mod will send out an invite once the form has been submitted.)

Please feel free to contact Mod with any questions ( @flanneledfae )